Veritas

VCS-255 Administration of Veritas Storage Foundation 6.1 for UNIX

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Question: 1 Where are Veritas Volume Manager disk group configuration backup files located? A. /etc/vx/cbr/bk B. /etc/vx/vxconfig C. /etc/vx/bin D. /etc/vx/vxcbr/bk Answer: A Question: 2 Which criteria does Veritas Volume Manager use to determine whether a disk should be marked FAILED instead of FAILING? A. The third failed I/O has been reached. B. The vxprint command returns kernel state as failed. C. The private region is inaccessible. D. The plex is invalid within the diskgroup. Answer: C Question: 3 Which command lists all disk groups, including deported disk groups? A. vxprint -ht B. vxprint -A C. vxdg -o alldgs list D. vxdisk -o alldgs list Answer: D Question: 4 What are two valid mount options for a Veritas File System? (Select two.) A. mincache=direct B. shared C. discovered_direct_iosz=262144 D. delaylog E. logdelay

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Answer: A, D Question: 5 Which command can be used to initialize a disk? A. vxedit B. vxdiskadm C. vxdiskstart D. vxinit Answer: A Question: 6 Which command can be used to display the default disk group? A. vxdg list B. vxdg defaultdg C. vxdctl listdefault D. vxdctl defaultdg Answer: B Question: 7 The datadg disk group is defined as the default disk group for a system. Which disk group name should be specified with the vxdctl defaultdg command to clear this default? A. nulldg B. nodg C. bootdg D. rootdg Answer: B Question: 8 An administrator is planning to remove the datavol volume from the datadg disk group from the command line. The file system is currently unmounted, and the data can be destroyed. What are the next steps to remove the volume and avoid system errors? A. Run the vxremove command and the datavol entry is automatically removed from the file system table.

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B. Run the vxassist remove command and manually remove the datavol entry from the file system table. C. Run the vxassist remove command and the datavol entry is automatically removed form the file system table. D. Run the vxremove command and manually remove the datavol entry from the file system table. Answer: B Question: 9 Which command renames the testdg disk group to engdg? A. vxedit -f rename testdg engdg B. vxdg -f rename testdg engdg C. vxdg -n engdg deport testdg D. vxdg -n testdg deport engdg Answer: C Question: 10 Which command(s) are used to move the datadg disk group from system S1 to system S2? A. (on S1) vxdg -g datadg -switch -system S2 B. (on S1) vxdg deport datadg; (on S2) vxdg import datadg C. (on S1) vxdg deport -n S2 datadg; (on S2) vxdctl enable D. (on S1) vxdg -switch datadg -to S2 Answer: D Question: 11 Which two methods enable resizing of both a volume and its mounted Veritas File System at the same time? (Select two.) A.vxresize B.vxvol resize C.vxconcat D.VEA E.vxassist Answer: A, D Question: 12

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What are two advantages of layered, versus non-layered, volumes? (Select two.) A. faster recovery time B. lower complexity C. improved write performance D. higher resiliency E. improved disk space usage Answer: A, D Question: 13 When using the VEA, which two items can be right-clicked to create a volume? (Select two.) A. Basic Group B. Disk Groups C. Disks D. Host E. Enclosures Answer: B, C Question: 14 Which command prevents Veritas Volume Manager from allocating space on disk DISK_8 when volumes are created without specifying disk allocation? A. vxdisk set reserve=on DISK_8 B. vxdisk reserve DISK_8 C. vxedit set reserve=on DISK_8 D. vxedit reserve DISK_8 Answer: C Question: 15 When using Veritas Volume Manager, what is the correct definition of RAID 1+0? A. Data stripes are mirrored for read performance and resiliency. B. Data and parity stripes are mirrored for read performance and resiliency. C. Mirrors are striped for read performance and simplicity. D. Data stripes are mirrored with parity for write performance and recovery. Answer: A

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Question: 16 Which three tasks does the vxassist utility help perform? (Select three.) A. creating volumes B. reconfiguring DST rules C. configuring DMP D. creating mirrors E. reconfiguring volumes Answer: B, C, E Question: 17 Which Veritas Volume Manager action is required prior to removing a plex? A. delete plex B. disable plex C. detach plex D. dissociate plex Answer: D Question: 18 What is the correct definition of RAID-1+0 when using Volume Manager? A. Data stripes are mirrored for read performance and resiliency. B. Data and parity stripes are mirrored for read performance and resiliency. C. Mirrors are striped for read performance and simplicity. D. Data stripes are mirrored with parity for write performance and recovery. Answer: A Question: 19 Which File System feature, if enabled, will record any changes to files and directories, which will improve the performance for applications that need to scan the entire file system? A. intent log B. file change log C. dirty region log D. data change log

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Answer: B Question: 20 Which command lists the disks in a disk group that contain a copy of the configuration database? A. vxdisk listconfig B. vxdg listconfig [diskgroup] C. vxdisk list D. vxdg list [diskgroup] Answer: D

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