oracle vm server for sparc implementation specialist

8/9/2019 Oracle VM Server for SPARC Implementation Specialist

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1. Which of the following is the maximum number of domains can be created ona Oracle Sun SPARC T5-2 Server. Mark for Review(1) Points

256

64

32

128 (*)

Incorrect

2. Which of the following features contribute to very good guest domain performance in Oracle VM Server 3 for SPARC. Mark for Review(1) Points

(Choose all correct answers)

Highly efficient firmware-based hypervisor (*)

Dynamic resource management

All of above

Secure live migration enabled by crypto acceleration capability in SPARC processor

Hard allocation of CPU, Memory and I/O resources to guest domain (*)

Incorrect

Oracle VM Server 3 for SPARC Architecture(Answer all questions in this section)

3. Under which of the following condition, guest domains can still runwithout any service pause or downtime if the control domain on same server is down. Mark for Review(1) Points

Control Domain assigns individual PCI devices to guest domains


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Control Domain assigns whole PCI Root Complex to guest domains (*)

Control Domain assigns virtual functions of PCI devices to guest domains

Control Domain is the only service domain to provide virtual I/O services for guest domains

Incorrect

4. Which of the following statements about the hypervisor in Oracle VMServer 3 for SPARC are correct. Mark for Review(1) Points


Administrators will use LDom Manager service in primary domain to manage th

e hypervisor (*)

Hypervisor provides Logical Domain Channel (LDC) to enable management and I/O communication between guest domains (*)

Hypervisor provides isolated resource view for each guest domain (*)

Hypervisor runs virtual I/O back-end services for guest domains

Incorrect

5. Which of the following statements about Service Domain are correct.Mark for Review

(1) Points


For each virtual device in guest domain, there must be a back-end device in Service Domain (*)

Service Domain will leverage LDCs in hypervisor to communicate with virtual device in guest domain (*)

Control domain will always be a service domain

Service Domain will provide virtual I/O services to guest domain (*)


3/68

Incorrect


6. Which of the following statements about LDom manager in a Control Domain are correct. Mark for Review(1) Points


LDom Manager manages hypervisor and guest domains on the same server (*)

LDom Manager provides both XML-RPC and SNMP service interface to external management tool

LDom Manager at background monitors resource utilization of guest domains a

nd can dynamic adjust resource in guest domains (*)

LDom Manager provides terminal console for each guest domain (*)

Incorrect

Setup Oracle VM Server 3 for SPARC

(Answer all questions in this section)

7. During the process unconfigure Oracle VM Server for SPARC, you execute the command "ldm list-domain" and see the result below: NAME STATE FLAGS CONS VCPU MEMORY UTIL NORM UPTIME primary active -n-cv- UART 16 16G 0.8% 0.8% 16d 8h 13m ldg0 active -t---- 5000 16 16G 6.2% 6.2% 2h 10s ldg1 inactive ------Which of the following commands are required to remove the domain ldg1 Mark for Review(1) Points

ldm stop-domain ldg1

ldm stop-domain ldg1

ldm remove-config ldg1

ldm remove-domain ldg1 (*)


4/68

Correct

8. When you are planning to upgrade a pre-existing Oracle VM Server for SPARC, which of the following components you should check. Mark for Review(1) Points


Solaris OS release of Control Domain and Service Domain (*)

Solaris OS release of Guest Domain (*)

Firmware release of the server (*)

ILOM release of the server

Incorrect

9. Which of the following statements are reasons that you'd better using latest Solaris 11 OS for control and service domain for Oracle VM Server 3 for SPARC. Mark for Review(1) Points


New SPARC Server like M5 can only support Solaris 11 in Control Domain (*)

Solaris 10 OS is already end-of-service

Future implementation changes to virtual I/O services in Service Domain will not be backported into Solaris 10 OS (*)

Oracle VM Agent for SPARC is released only in IPS package format so that can only installed on Solaris 11 OS (*)

Incorrect

10. When you want to configure Control Domain on a server which is planned to be managed through OVM Manager, which of the following commands should be executed. Mark for Review(1) Points



5/68

ldm create-vsw net-dev=net0 primary-vsw0 primary

ldm add-vcc port-range=5000-5100 primary-vcc0 primary (*)

ldm add-spconfig ovm-initial (*)

ldm create-vds primary-vds0 primary (*)

Incorrect

Network Concept in Oracle VM Server 3 for SPARC(Answer all questions in this section)

11. Which of the following statements about virtual switch in Oracle VM Server 3 for SPARC are correct. Mark for Review(1) Points


In a Service Domain running Solaris 11 OS, you need to configure IP settings for virtual switch component to enable communication between Service Domain and guest domains.

A virtual switch is created automatically when a network with virtual machine role is defined through OVM Manager. (*)

A virtual switch is a L2 soft switch component in a service domain, it enables communications between virtual network interfaces connected to the same virt

ual switch. (*)

When defining a virtual switch component, you can choose to turn on inter-vnet channels to enable faster communication between virtual network interfaces from same virtual switch. (*)

Incorrect

12. When creating a virtual network interface, you execute a command "l

dm add-vnet alt-mac-addrs=auto,auto,auto vnet1 primary-vsw0 ldg0". What does the command mean Mark for Review(1) Points


It will create three factory default MAC addresses for the virtual networkinterface vnet1. (*)


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It will create four factory default MAC addresses for the virtual network i

nterface vnet1.

You can run dladm create-vnic command in a guest domain to create multiplevnics over the virtual network interface. (*)

The service domain and guest domain must be running at least Solaris 11.1 OS (*)

Incorrect

13. Which of the following statements about virtual network interfacesin Oracle VM Server 3 for SPARC are correct. Mark for Review(1) Points


A virtual network interface will have to connect to a backend physical network at runtime if it need to communicate with external resources. (*)

When a virtual network interface is using a physical network interface as backend, it will use the same device driver as the physical interface.

Virtual network interfaces are defined in guest domain's metadata and its definition does not depend on physical network interface on the server hardware.(*)

The communication channel for virtual network interface will use logical domain channel (LDC) in hypervisor. (*)

Incorrect

14. Which of the following means can help to prevent possible MAC address conflict when using Oracle VM Server 3 for SPARC in your datacenter. Mark for Review(1) Points


MAC address for virtual network interface can be assigned automatically byLDom Manager.

LDom Manager running in the control domain can detect MAC address duplication by sending out a multicast message periodically to the peer in the datacenter. (*)


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A specific range of MAC addresses has been allocated for Oracle VM Server 3 for SPARC product. No other physical or virtual network device vendor will useMAC addresses in this range. (*)

If managing Oracle VM Server 3 for SPARC with OVM Manager, OVM Manager will guarantee MAC address uniqueness by maintain a centralized MAC address pool. (*)

Incorrect

15. If a guest domain need to communicate with zones in service domainwhere the vnet backend resides, which of the following network element is the best choice for virtual switch backend. Mark for Review(1) Points

aggregation

vlan

single network interface

etherstub (*)

Correct

Network Concept in Oracle VM Server 3 for SPARC(Answer all questions in this section)

16. You are facing a network performance issue with a virtual network interface in a guest domain. The virtual network interface is connecting to virtual switch with a 1Gb Ethernet port as backend. The virtual switch is shared with virtual network interfaces from multiple guest domains. Which of the followingmethod can help to increase network throughput of the guest domain. Mark for Review(1) Points


Create additional virtual network interface from the same virtual switch and create an IPMP group with the two virtual network interface.

Create an link aggregation with additional 1Gb Ethernet port and use the aggregation as the backend of the virtual switch. (*)

Switch the virtual network interface to a newly created virtual switch with


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a 1Gb Ethernet port as virtual network provider. (*)

Use a 10Gb Ethernet port as the backend for the virtual switch. (*)

Incorrect

Storage Concept in Oracle VM Server 3 for SPARC(Answer all questions in this section)

17. A physical LUN is connected to a service domain s1 and is mapped as /dev/dsk/c0t0d0. Virtual Disk Service is already created on the service domainas s1-vds. Which of the following command sequence can export the physical LUN to two guest domains ldg1 and ldg2. Mark for Review(1) Points

ldm add-vdsdev /dev/dsk/c0t0d0s2 vol1@s1-vds; ldm add-vdsdev -f /dev/dsk/c0t0d0s2 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol

2@s1-vds ldg2 (*)

ldm add-vdsdev -f /dev/dsk/c0t0d0 vol1@s1-vds; ldm add-vdsdev /dev/dsk/c0t0d0 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol2@s1-vds ldg2

ldm add-vdsdev /dev/dsk/c0t0d0 vol1@s1-vds; ldm add-vdsdev -f /dev/dsk/c0t0d0 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol2@s1-vds ldg2

ldm add-vdsdev -f /dev/dsk/c0t0d0s2 vol1@s1-vds; ldm add-vdsdev /dev/dsk/c0t0d0s2 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol2@s1-vds ldg2

Correct

18. Which of the following statements about Virtual Disk Service in Oracle VM Server 3 for SPARC are correct. Mark for Review(1) Points


A single storage backend could be shared by multiple guest domains. (*)

To provision multiple storage backends, the same number of Virtual Disk Services need to be created, one for each backend.


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Virtual Disk Service in service domain will be used to provision storage backend to guest domain as virtual disk. (*)

You can control the appearance of the storage backend in the guest domain as full disk or disk slice. (*)

Incorrect

19. Which of the following kinds of storage backends can be presented to a guest domain as a single-slice disk. Mark for Review(1) Points


file (*)

physical disk slice (*)

DVD-ROM (*)

ZFS volume (*)

physical disk or LUN

Incorrect

20. If OVM Manager is to be used in Oracle VM Server 3 for SPARC deployment, which of the following statements about storage management are correct.Mark for Review

(1) Points


OVM Agent and storage connect plugin must be installed in control domain before OVM Manager can manage storage devices. (*)

Storage discovery and provisioning can be done centrally through OVM Manager. (*)

Only shareable storage devices can be recognized by OVM Manager. (*)

Control Domain will be the only service domain, all storage resources mustbe accessible from Control Domain. (*)


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OVM Manager must be running otherwise storage services will stop.

Incorrect

21. Which of the following commands will present a slice of physical disk /dev/c0t0d0 in service domain primary. Mark for Review(1) Points


ldm add-vdsdev options=slice /dev/c0t0d0s0 vol1@primary-vds (*)

ldm add-vdsdev options=slice /dev/c0t0d0s2 vol1@primary-vds (*)

ldm add-vdsdev /dev/c0t0d0s0 vol1@primary-vds (*)

ldm add-vdsdev /dev/c0t0d0s2 vol1@primary-vds

Incorrect

Guest VM Concept in Oracle VM Server 3 for SPARC(Answer all questions in this section)

22. In preparation phase of p2v migration, a "ldmp2v prepare -b files -p /myRepo/domains -d /net/ldom/p2v_stage/myServer -m /:16G myDomain" command is

successfully executed. Which of the following implications are correct. Mark for Review(1) Points


The root file system will be resized to 16GB. (*)

The name for virtual disk files will be from disk0 to diskN (Value of N depends on number of disks on physical server). (*)

The allocated CPU core count and memory capacity for the domain will be the same as physical server.

The virtual disk files will be stored in folder /myRepo/domains/myDomain. (*)


11/68

Incorrect

23. Two virtual disks, virtual_disk and virtual_cd, have been assignedorderly to a guest domain ldg1. Backend for those two virtual disks are a ZFS volume and an ISO image file respectively. Which of the following operations can first install OS from virtual_cd then reboot from virtual_disk when installationcompletes. Mark for Review(1) Points

In ok prompt of guest domain console execute "setenv boot-device=virtual_cd" then "reset"

In ok prompt of guest domain console execute "boot cdrom"

In ok prompt of guest domain console execute "boot virtual_cd:f" (*)

In control domain execute "ldm set-variable boot-device=virtual_cd ldg1" then restart the guest domain

Incorrect

24. When you want to create a domain ldg1, the command "ldm set-vcpu 64 ldg1" and "ldm set-mem 64g ldg1" run successfully. However when you execute "ldm bind ldg1" the command failed with some error messages. Which of the following could be possible reasons. Mark for Review(1) Points


There is not any unused port from virtual console service and you do not create a console group which includes the domain either. (*)

The physical memory on the bare-metal server is less than 64GB. (*)

You do not assign a virtual disk to the guest domain yet.

Whole core constraint is configured for the domain ldg1.

There is not enough CPU resource available on the physical server. (*)

Incorrect

25. When you want to access virtual console of a guest domain ldg1, which of the following commands can help you know the allocated virtual console por


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t of the domain. Mark for Review(1) Points


ldm list-constraints ldg1

ldm list-domain ldg1 (*)

ldm list-bindings ldg1 (*)

ldm list-services ldg1

Incorrect

26. Which of the following statements about OpenBoot PROM (OBP) for guest domain are correct. Mark for Review(1) Points


Each domain will load a separated copy of OBP image into memory when it isbooting. (*)

OBP will recognize virtual devices attaching to the domain. (*)

Each domain will maintain its own OBP variables, those variables will be stored persistently in system controller. (*)

Multiple copies of OBP image are stored in system firmware, one for each domain.

Incorrect

27. Compared to a software-based hypervisor, which of the following factors can contribute performance advantage of Oracle VM Server 3 for SPARC. Mark for Review

(1) Points


CPU and memory resources in each domain are totally isolated. CPU and memory consumption in one domain will not impact other domains. (*)

Solaris OS running in a guest domain is hypervisor awared so that can work


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together to achieve higher performance. (*)

Hypervisor in Oracle VM Server 3 for SPARC will optimize memory layout by allocating memory close to CPU cores in each domain. (*)

Hypervisor in Oracle VM Server 3 for SPARC implements a much better scheduler to allocate CPU resources for each domain at runtime more efficiently.

Incorrect

28. Which of the following command you will use in preparation phase of p2v migration if you want to add additional disk in the generated guest domain. Mark for Review(1) Points

ldmp2v prepare -M

ldmp2v prepare -C

ldmp2v prepare -R (*)

ldmp2v prepare -B

Incorrect

29. In collection phase of p2v migration, a "ldmp2v collect -x /export/tmp -d /net/ldom/p2v_stage/myServer" command is successfully executed. Which ofthe following implications are correct. Mark for Review(1) Points


All mounted file systems excluding /export/tmp will be generated in the archive.

The command is executed in physical server you want to migrate. (*)

It will use Flash tool to generate archive for physical server. (*)

The archive will be stored in the folder /net/ldom/p2v_stage/myServer. (*)

Incorrect


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I/O Virtualization in Oracle VM Server 3 for SPARC(Answer all questions in this section)

30. You have already known PCI device name for a network interface in a root domain (root1), which of the following operations can help to know pseudoname of the device. Mark for Review(1) Points


In control domain, execute "ldm list-bindings root1" (*)

In control domain, execute "ldm list-io -l" (*)

In root domain, execute "prtconf"

In root domain, execute "prtdiag" (*)

Incorrect


31. Which of the following statements about Root Domain in Oracle VM Server 3 for SPARC are correct. Mark for Review(1) Points


A service domain must also be a root domain.

A root domain can run at 100% native performance. (*)

Number of root domains can be created on a server is hardware dependent. (*)

A root domain can run independently to other domains on the same physical server. (*)

Incorrect

32. To add a PCI root complex (pci_2) from primary to a running guest domain root1, you will run following commands in control domain. Please select co


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rrect sequences of those commands. 1. ldm start-reconf primary2. ldm remove-io pci_23. ldm add-io pci_24. ldm stop-domain root15. shutdown -i6 -i -g06. ldm start-domain root17. ldm add-config root-domain1 Mark for Review(1) Points

1,2,7,5,4,3,6 (*)

1,2,5,7,3,4,6

1,2,4,3,5,6,7

1,2,3,4,5,6,7

Correct

33. When you want to create a virtual function in a root domain you execute a command "ldm create-vf mtu=9000 /SYS/MB/NET0/IOVNET.PF0". However the com

mand fails with some error messages. Which of the following could be possible reasons. Mark for Review(1) Points


"mtu" parameter in the command exceeds Max allowed value of the device. (*)

Solaris OS running in root domain or firmware on the physical server does not support creating virtual function dynamically. (*)

"iov" property of the PCI root complex which the device is located is set to off. (*)

The physical device is used by the root domain.

There is no free virtual functions in the PCI device. (*)

Incorrect

Guest VM Management in Oracle VM Server 3 for SPARC(Answer all questions in this section)

34. Someone worked out a plan to configure hard partition using only 4CPU cores for a running guest domain (ldg1). Please help to fix mistakes in the


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following command sequence in their plan. 1. ldm stop ldg12. ldm set-core 4 ldg13. ldm start ldg1 Mark for Review(1) Points


Add "ldm bind ldg1" before command 3 (*)

Add "ldm start-reconf ldg1" before command 1

Add "ldm unbind ldg1; ldm bind ldg1" before command 3

Add "ldm set-domain max-cores=4 ldg1" after command 2 (*)

Add "ldm unbind ldg1" after command 1 (*)

Incorrect

35. To migrate a domain ldg1 from server 1 to server 2 you execute a command "ldm migrate-domain ldg1 root@server2:ldg2" in server1. Which of the following operations can help you monitor the migration status. Mark for Review(1) Points


In server 1 execute "ldm list-domain -o status ldg1" (*)

In server 2 execute "ldm list-domain -o status ldg1"



Incorrect

Guest VM Management in Oracle VM Server 3 for SPARC


36. If you want to configure a DRM policy which starts at 8:00pm and ends at 8:00am to manage CPU resource for one of your domain ldg1 dynamically. IfCPU utilization is lower than 30%, CPU resources can be released from the domain, 1 thread each time. However the lowest thread number for the domain must be 8. If CPU utilization is higher than 60%, CPU resources can be allocated to the domain without limit, 2 threads each time. Which of the following commands can help to create the policy. Mark for Review(1) Points


17/68

ldm add-policy tod-begin=08:00pm tod-end=08:00am util-lower=30 util-higher=60 attack=2 decay=1 vcpu-min=8 name=myPolicy ldg1


ldm add-policy tod-begin=20:00 tod-end=08:00 util-lower=30 util-higher=60 attack=2 decay=1 vcpu-min=8 name=myPolicy ldg1 (*)

ldm add-policy tod-begin=20:00 tod-end=08:00 util-lower=30 util-higher=60 attack=1 decay=2 vcpu-min=8 name=myPolicy ldg1

Incorrect

37. Under which of the following situations, it is safe to use dynamicreconfiguration on a domain. Mark for Review

(1) Points


Reduce CPU core count of a guest domain while whole-core constraint is applied. (*)

Add a virtual network interface to a guest domain. (*)

Set max-cores constraint for a guest domain.

Remove a virtual disk for root file system of a guest domain.

Correct

38. Which of the following commands can be used to list CPU constraints configuration of a domain. Mark for Review(1) Points

ldm list -o domain

ldm list -o resmgmt (*)

ldm list -o status


18/68

ldm list -o cpu

Incorrect

39. A new T4-4 server (4 T4 CPU and 1TB of memory) running OVM SPARC 3is deployed in your datacenter. Supposed the guest OS are supported by OVM SPARC 3, Which of the following guest domains can be live migrated to the new server. Mark for Review(1) Points

A guest domain running on a T3-2 server with OVM SPARC 2.1. Detailed configuration: 4 cores (cpu-arch=generic), 16GB memory, 2 virtual disks from physcial LUN, 1 virtual NIC. (*)

A guest domain running on a T3-2 server with OVM SPARC 2.1. Detailed configuration: 4 cores (cpu-arch=native), 16GB memory, 2 virtual disks from file in NFS share, 1 virtual NIC.

None of above domain can be live migrated.

A guest domain running on a T4-2 server with OVM SPARC 3. Detailed configuration: 8 cores (cpu-arch=native), 32GB memory, 2 virtual disks from zvol backend, 1 virtual NIC.

A guest domain running on a T4-2 server with OVM SPARC 3. Detailed configuration: 8 cores (cpu-arch=native), 32GB memory, 2 virtual disks from physcial LUN, 1 NIC from virtual function of a physical NIC.

Correct

40. A configuration file was generated using "ldm list-constraints -x ldg1 > ldg1.xml" command, which of the following command can be used to restore the domain configuration. Mark for Review(1) Points


ldm init-system -r -i ldg1.xml (*)

ldm add-config -r ldg1.xml

ldm set-domain -i ldg1.xml

ldm add-domain -i ldg1.xml (*)


19/68


20/68

Incorrect

Oracle VM Manager Integration(Answer all questions in this section)

43. Which of the following statements about OVM Manager are correct.Mark for Review

(1) Points


OVM Manager will setup direct management channel to all managed resources.

OVM Manager is a centralized management solution to Oracle VM deployment. Most of the management jobs can be done at a single place. (*)

OVM Manager provides different interfaces to access its management services

. All interfaces will have identical functions. (*)

OVM Manager provides multi-hypervior support which includes Oracle VM Server for x86 and Oracle VM Server for SPARC. (*)

Incorrect

44. If you want to install OVM Agent for SPARC to enable management through OVM Manager, which of the following requirements must meet. Mark for Re

view(1) Points


Control domain must be running Solaris 11.1 (*)

Password for OVM agent for servers in a server pool should be identical. (*)

No other domain is configured on the server. (*)

A default initial configuration is required but no need to create any virtual I/O service since those can be configured through OVM Manager later.

Incorrect


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45. Which of the following statements about OVM Repository are correct.

Mark for Review(1) Points


A repository stores guest domain resources such as templates, virtual diskfiles and ISO image files. (*)

A repository has standard directory architecture to store different types of resource object. (*)

Each repository must be owned by a single OVM Manager instance. (*)

A repository must be presented to all servers in a server pool.

Every resource objects in the repository must be identified by a unique identifier. (*)

Incorrect

46. Which of the following statements about differences between Oracle generic plugin and vendor plugins are correct. Mark for Review(1) Points


Oracle generic plugin only uses OS-specific CLI to manage storage devices w

hile vendor plugins will normally use dedicated management channel on the device. (*)

Oracle generic plugin only supports NFS server and iSCSI storage while vendor plugin can support more devices. (*)

Oracle generic plugin only supports storage element discovery while vendorplugin can support more features. (*)

Using vendor plugin can provide better performance while accessing data ser

vice than Oracle generic plugin.

Using Oracle generic plugin in OVM Manager is called unmanaged mode while using vendor plugin is called managed mode.

Incorrect


22/68

47. Which of the following statements about storage connect framework a

re correct. Mark for Review(1) Points


All storage connect plugins must implement all features defined in the interface.

Not only Oracle any storage vendor can implement the plugin for their products. (*)

It defines plugin interfaces to support managing Disk Array and File Server devices. (*)

It is a framework that enables storage device management capabilities directly in OVM Manager. (*)

Incorrect

48. Which of the following statements about master server in a server pool are correct. Mark for Review(1) Points


Any server can be the master server, you can switch master server role to another server in the pool. (*)

Master server failover is not available in an OVM SPARC server pool. (*)

Master server listening IP address can be any that is able to access control domain management network interface.

Master server will be the only contact point for OVM Manager after s server pool is created. (*)

Incorrect

49. Which of the following statements about OVM Agent for SPARC are correct. Mark for Review(1) Points



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OVM Agent for SPARC will need to be installed on control domain of each Ora

cle VM Server 3 for SPARC. (*)

OVM Agent for SPARC will wrap LDom manager services through accessing "ldm" CLI interface.

OVM Agent will open management capabilities to OVM Manager through a XML/RPC service interface. (*)

OVM Agent for SPARC intergrates all management functions through a common framework. (*)

Incorrect

High Availability in Oracle VM Server 3 for SPARC


50. If you deploy Solaris Cluster and data service for OVM SPARC, which of the following failure conditions can be protected. Mark for Review(1) Points


Hypervisor failure (*)

Server hardware failure (*)

Guest Domain OS failure (*)

Application failure in a guest domain

Incorrect

1. Which of the following management tool can manage full stack of Oracle products from hardware, hypervisor to OS and applications. Mark for Review

(1) Points

Oracle VM Manager

Oracle Enterprise Manager 12c Cloud Control (*)

LDom Manager


24/68

Oracle Enterprise Manager 12c Ops Center

Correct

2. Which of the following are rapid application deployment solutions in Oracle VM Server 3 for SPARC. Mark for Review(1) Points


Reference Image

Golden Image

Template (*)

Assembly (*)

Incorrect


3. Which component in control domain provides a text-based console foreach active domain. Mark for Review(1) Points

LDom p2v tools

LDom MIB

LDom Manager

Virtual Network Terminal Server (*)

Incorrect

4. Which of the following statements about the hypervisor in Oracle VMServer 3 for SPARC are correct. Mark for Review


25/68


26/68

Service Domain (*)

Control domain will always be a service domain

Correct

Setup Oracle VM Server 3 for SPARC(Answer all questions in this section)

7. When you want to configure Control Domain on a server which is planned to be managed through OVM Manager, which of the following commands should beexecuted. Mark for Review(1) Points


ldm create-vsw net-dev=net0 primary-vsw0 primary

ldm add-vcc port-range=5000-5100 primary-vcc0 primary (*)

ldm create-vds primary-vds0 primary (*)

ldm add-spconfig ovm-initial (*)

Correct

8. Which of the following statements are reasons that you'd better using latest Solaris 11 OS for control and service domain for Oracle VM Server 3 for SPARC. Mark for Review(1) Points


New SPARC Server like M5 can only support Solaris 11 in Control Domain (*)

Oracle VM Agent for SPARC is released only in IPS package format so that can only installed on Solaris 11 OS (*)

Future implementation changes to virtual I/O services in Service Domain will not be backported into Solaris 10 OS (*)

Solaris 10 OS is already end-of-service


27/68

Correct

9. Following are some commands that you should run when initially configure the Control Domain, please choose the correct sequence of those commands. 1. ldm set-core 2 primary2. ldm set-mem 8g primary3. ldm start-reconf4. ldm add-spconfig initial5. shutdown -i6 -y -g0 Mark for Review(1) Points

1,3,2,4,5 (*)

1,2,3,4,5

4,3,1,2,5

3,4,1,2,5

Correct

10. When you are planning to upgrade a pre-existing Oracle VM Server for SPARC, which of the following components you should check. Mark for Review (1) Points






Correct

11. If a guest domain need to communicate with zones in service domain wherethe vnet backend resides, which of the following network element is the best choice for virtual switch backend. Mark for Review(1) Points

etherstub (*)


28/68

vlan


aggregation

Correct

12. Which of the following statements about data links in Oracle VM Server 3 for SPARC are correct. Mark for Review(1) Points


Data links will only use physical network interfaces and be implemented with native Solaris OS network elements.

A virtual network interface in a guest domain must use a specific data link as backend. (*)

Data links defined in a server must be configured with either static or dynamic allocated IP settings.

Data links should be defined in each individual server. (*)

Incorrect

13. Which of the following network elements in Solaris 11 can be used for network back-end of virtual switch in a service domain. Mark for Review(1) Points


aggregation (*)

vlan (*)

single network interface (*)

etherstub (*)

IPMP group


29/68

Incorrect

14. When creating a virtual network interface, you execute a command "ldm add-vnet alt-mac-addrs=auto,auto,auto vnet1 primary-vsw0 ldg0". What does the command mean Mark for Review(1) Points


It will create four factory default MAC addresses for the virtual network interface vnet1.

You can run dladm create-vnic command in a guest domain to create multiplevnics over the virtual network interface. (*)

The service domain and guest domain must be running at least Solaris 11.1 OS (*)

It will create three factory default MAC addresses for the virtual networkinterface vnet1. (*)

Correct

15. You are facing a network performance issue with a virtual network interface in a guest domain. The virtual network interface is connecting to virtual switch with a 1Gb Ethernet port as backend. The virtual switch is shared with virtual network interfaces from multiple guest domains. Which of the following

method can help to increase network throughput of the guest domain. Mark for Review(1) Points


Create additional virtual network interface from the same virtual switch and create an IPMP group with the two virtual network interface.

Create an link aggregation with additional 1Gb Ethernet port and use the aggregation as the backend of the virtual switch. (*)

Switch the virtual network interface to a newly created virtual switch with a 1Gb Ethernet port as virtual network provider. (*)

Use a 10Gb Ethernet port as the backend for the virtual switch. (*)


30/68

Correct

16. Which of the following statements about virtual switch in Oracle VM Server 3 for SPARC are correct. Mark for Review(1) Points


A virtual switch is a L2 soft switch component in a service domain, it enables communications between virtual network interfaces connected to the same virtual switch. (*)

A virtual switch is created automatically when a network with virtual machine role is defined through OVM Manager. (*)

When defining a virtual switch component, you can choose to turn on inter-vnet channels to enable faster communication between virtual network interfaces from same virtual switch. (*)

In a Service Domain running Solaris 11 OS, you need to configure IP setting

s for virtual switch component to enable communication between Service Domain and guest domains.

Correct

Storage Concept in Oracle VM Server 3 for SPARC(Answer all questions in this section)

17. If OVM Manager is not to be used in Oracle VM Server 3 for SPARC deployment, which of the following statements about storage management are correct. Mark for Review(1) Points


Storage discovery and provisioning have to be done server by server. (*)

Only OS-specific software components are required to access and manage connected storage resources. (*)

Multiple service domains can be created to provide virtual storage services. (*)

Any supported storage type, both local and shareable, can be used for storage backend. (*)


31/68

Incorrect

18. If OVM Manager is to be used in Oracle VM Server 3 for SPARC deployment, which of the following statements about storage management are correct.Mark for Review

(1) Points





Control Domain will be the only service domain, all storage resources mustbe accessible from Control Domain. (*)


Correct

19. Which of the following statements about Virtual Disk Service in Oracle VM Server 3 for SPARC are correct. Mark for Review(1) Points


A single storage backend could be shared by multiple guest domains. (*)

Virtual Disk Service in service domain will be used to provision storage backend to guest domain as virtual disk. (*)

You can control the appearance of the storage backend in the guest domain as full disk or disk slice. (*)

To provision multiple storage backends, the same number of Virtual Disk Services need to be created, one for each backend.

Correct


32/68

20. A physical LUN is connected to a service domain s1 and is mapped as /dev/dsk/c0t0d0. Virtual Disk Service is already created on the service domainas s1-vds. Which of the following command sequence can export the physical LUN to two guest domains ldg1 and ldg2. Mark for Review(1) Points



ldm add-vdsdev -f /dev/dsk/c0t0d0 vol1@s1-vds; ldm add-vdsdev /dev/dsk/c0t0d0 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol2@s1-vds ldg2

ldm add-vdsdev /dev/dsk/c0t0d0s2 vol1@s1-vds; ldm add-vdsdev -f /dev/dsk/c0t0d0s2 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol

2@s1-vds ldg2 (*)

Correct

21. Which of the following storage elemens can be used to create a virtual storage device in Oracle VM Server 3 for SPARC. Mark for Review(1) Points


An ISO image file on a HTTP server

A ZFS volume (*)

A FC LUN on a SAN Storage (*)

A file in local UFS file system (*)

A partition of a local hard drive (*)

Correct



33/68

22. Which of the following statements about OpenBoot PROM (OBP) for gue

st domain are correct. Mark for Review(1) Points


Multiple copies of OBP image are stored in system firmware, one for each domain.

Each domain will load a separated copy of OBP image into memory when it isbooting. (*)

OBP will recognize virtual devices attaching to the domain. (*)

Each domain will maintain its own OBP variables, those variables will be stored persistently in system controller. (*)

Correct

23. When you want to create a domain ldg1, the command "ldm set-vcpu 64 ldg1" and "ldm set-mem 64g ldg1" run successfully. However when you execute "ldm bind ldg1" the command failed with some error messages. Which of the following could be possible reasons. Mark for Review(1) Points


There is not any unused port from virtual console service and you do not cr

eate a console group which includes the domain either. (*)

The physical memory on the bare-metal server is less than 64GB. (*)

You do not assign a virtual disk to the guest domain yet.

There is not enough CPU resource available on the physical server. (*)

Whole core constraint is configured for the domain ldg1.

Correct

24. Compared to a software-based hypervisor, which of the following factors can contribute performance advantage of Oracle VM Server 3 for SPARC. Mark for Review(1) Points


34/68




Solaris OS running in a guest domain is hypervisor awared so that can worktogether to achieve higher performance. (*)


Correct

25. When you want to access virtual console of a guest domain ldg1, which of the following commands can help you know the allocated virtual console port of the domain. Mark for Review(1) Points


ldm list-domain ldg1 (*)

ldm list-constraints ldg1

ldm list-services ldg1

ldm list-bindings ldg1 (*)

Correct

26. Which of the following statements about CPU and memory virtualization inOracle VM Server 3 for SPARC are correct. Mark for Review(1) Points


It is possible to move CPU and memory resources from one domain to anotherwhen both domains are running. (*)

CPU and memory resources for each domain are hard allocated at bind time. (*)


35/68

You can request more CPU and memory for a guest domain than that is available on the physical server.

CPU and memory resources are virtualized and provisioned to each domain byhypervisor. (*)

Incorrect

27. In preparation phase of p2v migration, a "ldmp2v prepare -b files -p /myRepo/domains -d /net/ldom/p2v_stage/myServer -m /:16G myDomain" command issuccessfully executed. Which of the following implications are correct. Mark for Review(1) Points


The virtual disk files will be stored in folder /myRepo/domains/myDomain. (

*)

The name for virtual disk files will be from disk0 to diskN (Value of N depends on number of disks on physical server). (*)

The allocated CPU core count and memory capacity for the domain will be the same as physical server.

The root file system will be resized to 16GB. (*)

Correct

28. In conversion phase of p2v migration, a "ldmp2v convert -n vnet0 -d /p2v/myDomain myDomain" command is successfully executed. Which of the following implications are correct. Mark for Review(1) Points


The network install server must be in same subnet as vnet0 of the domain. (*)

The /p2v/myDomain folder is where the virtual disk files for the domain are stored.

A network install process will be used to upgrade the Solaris OS in the domain. (*)


36/68

You must run a "add_install_client" command in the network install server to configure for the domain. (*)

Incorrect

29. Which of the following system components of guest domain need to be virtualized by the hypervisor on a SPARC T5-2 server. Mark for Review(1) Points


OpenBoot PROM (*)

Text-based console

PCI Root Complex (*)

Cryptographic Accelerator

Incorrect


30. You start a delayed reconfiguration in a root domain to assign a PCI device to another domain. Please choose the correct time the PCI device is released. Mark for Review(1) Points

After executing "ldm add-io" command.

After executing "ldm add-config" command.

After executing "ldm remove-io" command.

After rebooting the root domain. (*)

Correct

31. Which of the following I/O virtualization features are supported on a T5-


37/68

2 Server running Oracle VM Server 3 for SPARC. Mark for Review(1) Points


Hybrid I/O

SR-IOV (*)

Direct I/O (*)

MR-IOV

Incorrect

32. When you want to create a virtual function in a root domain you execute a command "ldm create-vf mtu=9000 /SYS/MB/NET0/IOVNET.PF0". However the com

mand fails with some error messages. Which of the following could be possible reasons. Mark for Review(1) Points


"mtu" parameter in the command exceeds Max allowed value of the device. (*)





Correct

33. You have already known PCI device name for a network interface in a root domain (root1), which of the following operations can help to know pseudoname of the device. Mark for Review(1) Points



38/68

In control domain, execute "ldm list-bindings root1" (*)

In root domain, execute "prtconf"

In root domain, execute "prtdiag" (*)

In control domain, execute "ldm list-io -l" (*)

Correct


34. You plan to migrate a domain from an aged T3-2 server to a new T4-2 server. T3-2 server is running OVM SPARC 2.2 while T4-2 is running OVM SPARC 3.

The domain is running Solaris 10U2, configured with 8 cores, 48GB memory, 2 virtual disks and 2 virtual networks. T4-2 server has enough free CPU cores but only 40GB memory. Which of the following actions are helpful to make migration successful. Mark for Review(1) Points


On T4-2 server, create virtual disk devices with same name and same storage backend. (*)

Patch the guest domain OS with latest Solaris 10 recommended patch bundle.(*)

On T4-2 server, execute "ldm stop-domain" to stop some domains.

Update the T3-2 server with latest firmware.

On T4-2 server, create virtual I/O services with same name as source server. (*)

Correct

35. Which of the following commands can be used to list CPU constraints configuration of a domain. Mark for Review(1) Points


39/68

ldm list -o domain

ldm list -o resmgmt (*)

ldm list -o status

ldm list -o cpu

Correct

36. Someone worked out a plan to configure hard partition using only 4 CPU cores for a running guest domain (ldg1). Please help to fix mistakes in the following command sequence in their plan. 1. ldm stop ldg12. ldm set-core 4 ldg13. ldm start ldg1 Mark for Review(1) Points







Correct

37. Under which of the following situations, it is safe to use dynamicreconfiguration on a domain. Mark for Review(1) Points


Reduce CPU core count of a guest domain while whole-core constraint is applied. (*)

Remove a virtual disk for root file system of a guest domain.

Add a virtual network interface to a guest domain. (*)


40/68

Set max-cores constraint for a guest domain.

Correct

38. A configuration file was generated using "ldm list-constraints -x ldg1 > ldg1.xml" command, which of the following command can be used to restore the domain configuration. Mark for Review(1) Points


ldm set-domain -i ldg1.xml

ldm init-system -r -i ldg1.xml (*)

ldm add-config -r ldg1.xml

ldm add-domain -i ldg1.xml (*)

Correct

39. If a command "ldm set-core cid=0,1,2,3 ldg1" is executed successfully, which of the following implications are correct. Mark for Review(1) Points


The domain will use first four cores from the physical server. (*)

Live migration of the domain is not allowed.

You can not add or remove CPU resource dynamically for the domain. (*)

You must also configure physical memory binding for the domain.

Correct

40. If you want to configure a DRM policy which starts at 8:00pm and ends at 8:00am to manage CPU resource for one of your domain ldg1 dynamically. IfCPU utilization is lower than 30%, CPU resources can be released from the domain, 1 thread each time. However the lowest thread number for the domain must be 8. If CPU utilization is higher than 60%, CPU resources can be allocated to the domain without limit, 2 threads each time. Which of the following commands can hel


41/68

p to create the policy. Mark for Review(1) Points


ldm add-policy tod-begin=20:00 tod-end=08:00 util-lower=30 util-higher=60 attack=2 decay=1 vcpu-min=8 name=myPolicy ldg1 (*)


ldm add-policy tod-begin=20:00 tod-end=08:00 util-lower=30 util-higher=60 attack=1 decay=2 vcpu-min=8 name=myPolicy ldg1

Correct

41. A new T4-4 server (4 T4 CPU and 1TB of memory) running OVM SPARC 3 is dep

loyed in your datacenter. Supposed the guest OS are supported by OVM SPARC 3, Which of the following guest domains can be live migrated to the new server. Mark for Review(1) Points

None of above domain can be live migrated.

A guest domain running on a T3-2 server with OVM SPARC 2.1. Detailed configuration: 4 cores (cpu-arch=native), 16GB memory, 2 virtual disks from file in NFS share, 1 virtual NIC.

A guest domain running on a T3-2 server with OVM SPARC 2.1. Detailed configuration: 4 cores (cpu-arch=generic), 16GB memory, 2 virtual disks from physcial LUN, 1 virtual NIC. (*)

A guest domain running on a T4-2 server with OVM SPARC 3. Detailed configuration: 8 cores (cpu-arch=native), 32GB memory, 2 virtual disks from physcial LUN, 1 NIC from virtual function of a physical NIC.

A guest domain running on a T4-2 server with OVM SPARC 3. Detailed configuration: 8 cores (cpu-arch=native), 32GB memory, 2 virtual disks from zvol backend,

1 virtual NIC.

Correct

42. Under which of the following situations, you have to start a delayed reconfiguration. Mark for Review(1) Points


42/68


Set iov property of a PCI root complex to on in primary domain. (*)

Add 2 vcpus to primary domain while whole-core constraint is applied.

Increase memory size of primary domain. The new memory size is less than original memory plus available free memory on the system.

Create virtual function from a PCI device in primary domain. (*)

Correct

Oracle VM Manager Integration


43. Which of the following are difference between built-in DRM policy in Oracle VM Server 3 for SPARC and DRS policy in OVM Manager. Mark for Review(1) Points


DRM is a policy for guest domains in a single server while DRS is a policyfor a server pool. (*)

DRM will redistribute CPU resource among guest domains on the server whileDRS rebalances workload among servers. (*)

DRM can only monitor CPU usage while DRS can monitor network I/O performance beyond CPU. (*)

DRM will define only ceiling threshold while DRS defines both floor and ceiling value.

Multiple DRM policies can be defined for a guest domain while only one DRSpolicy can be applied to a server pool. (*)

Incorrect

44. Which of the following statements about master server in a server pool are correct. Mark for Review


43/68

(1) Points






Correct

45. Which of the following statements about OVM Manager are correct.Mark for Review(1) Points





OVM Manager provides different interfaces to access its management services. All interfaces will have identical functions. (*)

Correct

46. Which of the following statements about creating guest domain from templa

te are correct. Mark for Review(1) Points


All vNIC MAC address will be allocated by OVM Manager for the new guest domain. (*)


44/68

The guest domain will be created on the assigned OVM Server after cloning process.

The place where new guest domain metadata will be stored can be customizedduring cloning process. (*)

New guest domain metadata will be created using a cloning process. (*)

Incorrect

47. If you want to install OVM Agent for SPARC to enable management through OVM Manager, which of the following requirements must meet. Mark for Review(1) Points


A default initial configuration is required but no need to create any virtu

al I/O service since those can be configured through OVM Manager later.

Password for OVM agent for servers in a server pool should be identical. (*)

No other domain is configured on the server. (*)

Control domain must be running Solaris 11.1 (*)

Correct

48. If OVM Agent is deployed, which of the following limitations applyto Oracle VM Server 3 for SPARC. Mark for Review(1) Points


Only virtual I/O services can be used in a guest domain. (*)

Guest Domains will not run properly without OVM Manager.

Control Domain will be the only service domain in the server. (*)

ldm CLI tool will only be used for performance tuning & trouble-shooting. (*)


45/68

Incorrect

49. Which of the following statements about Oracle VM Template are correct. Mark for Review(1) Points


A template can be used to include more than one guest VMs to deploy an application with inter-related software components.

Only template released by Oracle can be used for production deployment

A template archive will normally have metadata and virtual disk images fora guest VM (*)

Using template can reduce complexity and time to deploy Software (*)

Incorrect

High Availability in Oracle VM Server 3 for SPARC(Answer all questions in this section)

50. If you deploy Solaris Cluster and data service for OVM SPARC, which of the following failure conditions can be protected. Mark for Review

(1) Points


Guest Domain OS failure (*)

Application failure in a guest domain

Server hardware failure (*)

Hypervisor failure (*)

Correct


46/68

Oracle VM Server 3 for SPARC Overview(Answer all questions in this section)

1. Which of the following are rapid application deploymentsolutions in Oracle VM Server 3 for SPARC. Mark for Review(1) Points


Reference Image

Template (*)

Assembly (*)

Golden Image

Correct Correct

2. Which of the following is the maximum number of domainscan be created on a Oracle Sun SPARC T5-2 Server. Mark for Review(1) Points

256

128 (*)

32

64

Correct Correct

Oracle VM Server 3 for SPARC Architecture


3. Which component in control domain provides a text-basedconsole for each active domain. Mark for Review(1) Points

LDom MIB


47/68

LDom p2v tools

Virtual Network Terminal Server (*)

LDom Manager

Correct Correct

4. Which of the following I/O devices can be provided by aService Domain to guest domains Mark for Review(1) Points


Virtual Function of a PCI device

Individual PCI device

Virtual Disk (*)

Virtual Network (*)

Incorrect Incorrect

5. Which of the following statements about LDom manager in

a Control Domain are correct. Mark for Review(1) Points


LDom Manager provides terminal console for each guest domain (*)

LDom Manager provides both XML-RPC and SNMP service interface to external management tool

LDom Manager at background monitors resource utilization of guest domains and can dynamic adjust resource in guest domains (*)

LDom Manager manages hypervisor and guest domains on the same server (*)

Correct Correct


48/68


49/68


/var/opt/SUNWldm/bootsets/*

/var/opt/SUNWldm/autosave-* (*)

/etc/ovs-agent/db/*

/var/opt/SUNWldm/ldom-db.xml (*)

Correct Correct

9. Why a "ldm set-crypto" command should be executed when configuring Control Domain on a server. Mark for Review(1) Points


Control Domain need crypto acceleration capability from processor to speed up possible live migration communication. (*)

The server is equipped with SPARC T3 and earlier processors which crypto unit must be assigned explicitly to a domain. (*)

Control Domain need crypto acceleration capability from processor to encrypt virtual I/O communications between guest domain and service domain.

The server is equipped with SPARC T4 and later processors which crypto unit must be assigned explicitly to a domain.

Incorrect Incorrect

10. When you are planning to upgrade a pre-existing Oracle VM Server for SPARC, which of the following components you should check. Mark for Review(1) Points





50/68



Correct Correct

11. Which of the following network elements in Solaris 11 can be used for network back-end of virtual switch in a service domain. Mark for Review(1) Points


single network interface (*)

vlan (*)

IPMP group

aggregation (*)

etherstub (*)

Correct Correct

12. If a guest domain need to communicate with zones in service domain where the vnet backend resides, which of the following network element is the best choice for virtual switch backend. Mark for Review(1) Points


etherstub (*)

aggregation

vlan

Correct Correct


51/68


52/68


53/68


54/68

orage backend. (*)

Multiple service domains can be created to provide virtual storage services. (*)

Correct Correct

20. A physical LUN is connected to a service domain s1 and is mapped as /dev/dsk/c0t0d0. Virtual Disk Service is already created on the service domain as s1-vds. Which of the following command sequence can export the physical LUN to two guest domains ldg1 and ldg2. Mark for Review(1) Points


ldm add-vdsdev -f /dev/dsk/c0t0d0 vol1@s1-vds; ldm add-vdsdev /dev/dsk/c

0t0d0 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol2@s1-vds ldg2

ldm add-vdsdev /dev/dsk/c0t0d0s2 vol1@s1-vds; ldm add-vdsdev -f /dev/dsk/c0t0d0s2 vol2@s1-vds; ldm add-vdisk disk1 vol1@s1-vds ldg1; ldm add-vdisk disk1 vol2@s1-vds ldg2 (*)


Correct Correct

21. If OVM Manager is to be used in Oracle VM Server 3 for SPARC deployment, which of the following statements about storage management are correct. Mark for Review(1) Points


Control Domain will be the only service domain, all storage resources must be accessible from Control Domain. (*)




55/68



Correct Correct


22. Compared to a software-based hypervisor, which of the following factors can contribute performance advantage of Oracle VM Server 3 for SPARC. Mark for Review(1) Points





Solaris OS running in a guest domain is hypervisor awared so that can work together to achieve higher performance. (*)

Correct Correct

23. Which of the following statements about creating guest domain are correct. Mark for Review(1) Points


After a guest domain is created, a new configuration must be created insystem controller.

If guest domain will only use virtual I/O services from a service domain, at least one virtual disk must be created for the domain. (*)


56/68

A "ldm bind" command must run for each domain to get domain resources allocated by hypervisor. (*)

A specified port will be assigned by svc:/ldoms/vntsd service for each guest domain as the virtual console endpoint. (*)

You must assign at least one thread and 1GB of memory for guest domain.(*)

Incorrect Incorrect

24. Which of the following statements about CPU and memory virtualization in Oracle VM Server 3 for SPARC are correct. Mark for Review (1) Points


You can request more CPU and memory for a guest domain than that is available on the physical server.

CPU and memory resources for each domain are hard allocated at bind time. (*)

It is possible to move CPU and memory resources from one domain to another when both domains are running. (*)

CPU and memory resources are virtualized and provisioned to each domain

by hypervisor. (*)

Correct Correct

25. In conversion phase of p2v migration, a "ldmp2v convert-n vnet0 -d /p2v/myDomain myDomain" command is successfully executed. Which of the following implications are correct. Mark for Review(1) Points


The /p2v/myDomain folder is where the virtual disk files for the domainare stored.

A network install process will be used to upgrade the Solaris OS in thedomain. (*)


57/68

You must run a "add_install_client" command in the network install server to configure for the domain. (*)

The network install server must be in same subnet as vnet0 of the domain. (*)

Correct Correct

26. Which of the following system components of guest domain need to be virtualized by the hypervisor on a SPARC T5-2 server. Mark for Review(1) Points


OpenBoot PROM (*)

Cryptographic Accelerator

Text-based console

PCI Root Complex (*)

Correct Correct

27. Two virtual disks, virtual_disk and virtual_cd, have bee

n assigned orderly to a guest domain ldg1. Backend for those two virtual disks are a ZFS volume and an ISO image file respectively. Which of the following operations can first install OS from virtual_cd then reboot from virtual_disk when installation completes. Mark for Review(1) Points

In ok prompt of guest domain console execute "boot virtual_cd:f" (*)

In ok prompt of guest domain console execute "boot cdrom"

In ok prompt of guest domain console execute "setenv boot-device=virtual _cd" then "reset"

In control domain execute "ldm set-variable boot-device=virtual_cd ldg1" then restart the guest domain

Correct Correct


58/68

28. Without changing the default configuration of svc:/ldoms/vntsd, Which of the following methods can access the virtual console of a guest domain. Mark for Review(1) Points

Execute telnet localhost in control domain. (*)

Start a telnet session from any client connecting to virtual console port on control domain.

Start a SSH session from any client connecting to virtual console port on control domain.

Start a VNC session from any client connecting to virtual console port on control domain.

Correct Correct

29. In collection phase of p2v migration, a "ldmp2v collect-x /export/tmp -d /net/ldom/p2v_stage/myServer" command is successfully executed. Which of the following implications are correct. Mark for Review(1) Points


The archive will be stored in the folder /net/ldom/p2v_stage/myServer. (*)

It will use Flash tool to generate archive for physical server. (*)

The command is executed in physical server you want to migrate. (*)

All mounted file systems excluding /export/tmp will be generated in thearchive.

Correct Correct


30. Which of the following statements about I/O domain are correct. Mark for Review


59/68

(1) Points


I/O traffics from physical PCI devices in I/O domain will only need to go through hypervisor.

Proper version of Solaris OS is required to run in both Root Domain andI/O domain to leverage I/O virtualization features. (*)

Using physical PCI devices in I/O domain can achieve bare-metal performance with less CPU consumption. (*)

A running I/O domain can not be migrated to another server. (*)

Incorrect Incorrect

31. Which of the following I/O virtualization features are supported on a T5-2 Server running Oracle VM Server 3 for SPARC. Mark for Review(1) Points


SR-IOV (*)

Direct I/O (*)

Hybrid I/O

MR-IOV

Correct Correct

32. When you want to create a virtual function in a root domain you execute a command "ldm create-vf mtu=9000 /SYS/MB/NET0/IOVNET.PF0". However the command fails with some error messages. Which of the following could be

possible reasons. Mark for Review(1) Points





60/68



"mtu" parameter in the command exceeds Max allowed value of the device.(*)

Correct Correct

33. Which of the following statements about Root Domain in Oracle VM Server 3 for SPARC are correct. Mark for Review(1) Points


Number of root domains can be created on a server is hardware dependent. (*)

A root domain can run independently to other domains on the same physical server. (*)

A root domain can run at 100% native performance. (*)

A service domain must also be a root domain.

Correct Correct


34. Which of the following statements about guest domain migration in Oracle VM Server 3 for SPARC are correct. Mark for Review

(1) Points


Both running and stopped domains can be migrated from one server to another. (*)

It requires that both source and target run same version of firmware and


61/68

LDom manager software.

OVM SPARC will always transfer running guest domain status through a SSL-based secure channel. (*)

Only guest domain using shared storage backend cane be migrated. (*)

OVM SPARC does not support migrate any I/O domain. (*)

Incorrect Incorrect

35. Under which of the following situations, you have to start a delayed reconfiguration. Mark for Review(1) Points


Increase memory size of primary domain. The new memory size is less than original memory plus available free memory on the system.

Add 2 vcpus to primary domain while whole-core constraint is applied.

Create virtual function from a PCI device in primary domain. (*)

Set iov property of a PCI root complex to on in primary domain. (*)

Correct Correct

36. Which of the following statements about memory DR in Oracle VM Server 3for SPARC are correct. Mark for Review(1) Points


If a memory DR operation is cancelled, memory allocation for the domainwill be rolled back to its original status.

Memory block will be cleared before added to or after removed from a domain. (*)

Memory DR may take a long time if want to remove a lot of memory from an active domain with large memory footprint. (*)

Memory size will be rounded to multiple of 256MB if using --auto-adj par


62/68

ameter in memory DR operation. (*)

Incorrect Incorrect

37. Someone worked out a plan to configure hard partition using only 4 CPU cores for a running guest domain (ldg1). Please help to fix mistakes in the following command sequence in their plan. 1. ldm stop ldg12. ldm set-core 4 ldg13. ldm start ldg1 Mark for Review(1) Points







Incorrect Incorrect

38. Which of the following statements about memory management in Oracle VM Server 3 for SPARC are correct. Mark for Review

(1) Points


You can not request more memory for a domain than that is available on the physical server. (*)

Memory translation between user space to physical address will be done by hypervisor.

Allocated memory size for an active domain will always be multiple of 256MB.

Hypervisor will try to allocate physical memory close to the CPU resources for a domain at bind time. (*)

Incorrect Incorrect


63/68

39. To migrate a domain ldg1 from server 1 to server 2 you execute a command "ldm migrate-domain ldg1 root@server2:ldg2" in server1. Which of the following operations can help you monitor the migration status. Mark for Review(1) Points






Correct Correct

40. You plan to migrate a domain from an aged T3-2 server to a new T4-2 server. T3-2 server is running OVM SPARC 2.2 while T4-2 is running OVM SPARC 3. The domain is running Solaris 10U2, configured with 8 cores, 48GB memory, 2 virtual disks and 2 virtual networks. T4-2 server has enough free CPU cores but only 40GB memory. Which of the following actions are helpful to make migration successful. Mark for Review(1) Points


On T4-2 server, create virtual disk devices with same name and same storage backend. (*)

On T4-2 server, execute "ldm stop-domain" to stop some domains.

Patch the guest domain OS with latest Solaris 10 recommended patch bundle. (*)

Update the T3-2 server with latest firmware.

On T4-2 server, create virtual I/O services with same name as source server. (*)

Correct Correct

41. You want to increase primary domain memory from 8GB to 16GB. Suppose cur


64/68

rent domain config is initial, which of the following operation can set the memory persistently across next power cycle. Mark for Review(1) Points

ldm set-mem 16g primary; ldm add-config -r initial (*)

ldm start-reconf primary; ldm set-mem 16g primary; ldm add-config initial

ldm start-reconf primary; ldm set-mem 16g primary; shutdown -i6 -y -g0

ldm set-mem 16g primary

Incorrect Incorrect

42. Which of the following statements about ldmpower CLI tool are correct. Mark for Review

(1) Points


Both instaneous and history data can be displayed at regular interval. (*)

It is used for defining Power Management policy for the server.

PM Observability Module must be enabled by setting "ldmd/pm_observabilit

y_enabled" property of ldmd service to true. (*)

It can display power comsumption data by domain. (*)

Incorrect Incorrect

Oracle VM Manager Integration


43. Which of the following statements about OVM Agent for SPARC are correct. Mark for Review(1) Points


OVM Agent for SPARC intergrates all management functions through a commo


65/68

n framework. (*)

OVM Agent will open management capabilities to OVM Manager through a XML/RPC service interface. (*)

OVM Agent for SPARC will wrap LDom manager services through accessing "ldm" CLI interface.

OVM Agent for SPARC will need to be installed on control domain of eachOracle VM Server 3 for SPARC. (*)

Incorrect Incorrect

44. Which of the following statements about storage connectframework are correct. Mark for Review(1) Points


Not only Oracle any storage vendor can implement the plugin for their products. (*)

It is a framework that enables storage device management capabilities directly in OVM Manager. (*)

It defines plugin interfaces to support managing Disk Array and File Server devices. (*)

All storage connect plugins must implement all features defined in the interface.

Correct Correct

45. Which of the following statements about OVM Manager arecorrect. Mark for Review(1) Points





66/68


OVM Manager provides different interfaces to access its management services. All interfaces will have identical functions. (*)

Correct Correct

46. Which of the following statements about Server Pool in OVM Manager are correct. Mark for Review(1) Points


Servers in a server pool must be similar hardware at least use same processor.

Servers in a server pool must use same type of hypervisor. (*)

You can only create a non-clustered server pool for OVM SPARC. (*)

Not like OVM for x86, there is no hard limit on server number in an OVMSPARC server pool. (*)

Incorrect Incorrect

47. If OVM Agent is deployed, which of the following limitations apply to Oracle VM Server 3 for SPARC. Mark for Review(1) Points


Guest Domains will not run properly without OVM Manager.

ldm CLI tool will only be used for performance tuning & trouble-shooting. (*)

Only virtual I/O services can be used in a guest domain. (*)

Control Domain will be the only service domain in the server. (*)

Correct Correct


67/68

48. Which of the following statements about master server in a server pool are correct. Mark for Review(1) Points






Correct Correct

49. Which of the following statements about differences between Oracle generic plugin and vendor plugins are correct. Mark for Review (1) Points


Oracle generic plugin only supports storage element discovery while vendor plugin can support more features. (*)

Oracle generic plugin only uses OS-specific CLI to manage storage devices while vendor plugins will normally use dedicated management channel on the device. (*)

Using vendor plugin can provide better performance while accessing dataservice than Oracle generic plugin.

Oracle generic plugin only supports NFS server and iSCSI storage while vendor plugin can support more devices. (*)

Using Oracle generic plugin in OVM Manager is called unmanaged mode while using vendor plugin is called managed mode.

Correct Correct


68/68

High Availability in Oracle VM Server 3 for SPARC(Answer all questions in this section)

50. Which of the following methods can increase I/O reliability in a Oracle VM Server 3 for SPARC deployment. Mark for Review(1) Points


Configure stripped ZFS pool from multiple virtual disks.

Configure multipath virtual I/O through multiple service domains for virtual storage device. (*)

Configure link aggregation and storage multipath for virtual I/O backend in each service domain. (*)

Configure IPMP in guest domain using two links from same virtual. (*)

Incorrect Incorrect

oracle vm server for sparc implementation specialist

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