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Exam 350-050: CCIE Wireless Beta Written Exam

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Question:1 While configuring Wireless Domain Services, which port is used for traffic between infrastructure APs and the WDS AP? A. Generic Routing Encapsulation GRE which is IP Protocol 47 B. UDP destination and source protocol port 1645 (0x066D) C. UDP destination and source protocol port 1812 (0x0714) D. UDP destination and source protocol port 2887 (0x0B47) or Ethernet Type 34605 (0x872D)

Answer: D Question:2 Which device controls Radio Resource Management in a centralized WLAN environment with multiple WLCs configured for mobility? A. the AP that wins the RF election B. the RF group leader C. all the controllers in the same mobility group D. the controller to which APs are currently registered

Answer: B Question:3 On the basis of a site survey report, 172 APs are required to meet the coverage needs. The IT Director insists on an N+1 controller redundancy design for the access points. In addition, the design should allow for growth of as much as 10% in the number of access points. What is the minimum WLAN controller configuration required to support these requirements? A. four 4402 Wireless LAN Controllers B. four 4404 Wireless LAN Controllers C. three 4404 Wireless LAN Controllers D. one Cisco Wireless Service Module


Answer: C Question:4 For the following Cisco IOS features, which one allows an access point to broadcast more than one SSID? A. guest mode B. MBSSID C. broadcast key rotation D. BBSSID

Answer: B Question:5 Which standard should be met in order to ensure clients of H-REAP can maintain connectivity to the VLAN at a controller? A. The one-way-trip WAN delay should not exceed 100 milliseconds. B. WAN jitter should not exceed 10 microseconds. C. The round-trip WAN delay should not exceed 100 milliseconds. D. WAN jitter should not exceed 10 milliseconds.

Answer: C Question:6 Which properties are of an AP in H-REAP mode? A. Can switch client data traffic locally. B. Perform client authentication locally when its connection to the controller is lost. C. Support Cisco Centralized Key Management fast roaming. D. Allows some SSID/VLAN traffic to be switched locally while other SSID/VLAN traffic has full

LWAPP functionality.

Answer: A, B, C, D Question:7 While using EAP type equal to PEAP with server-side TLS authentication, which option is correct? A. The EKU field is required in the server certificate on the RADIUS server. B. The RADIUS server must be compliant with Cisco Compatible Extensions. C. The issuer of the certificate is Microsoft. D. Private and public keys must be shared by the client, controller, and RADIUS server.

Answer: A Question:8 How do the characteristics that are available on the Cisco WCS for Linux version differ from those of the Cisco WCS for Windows version? A. Cisco WCS for Linux is required for deployments. B. Assuming that there are no differences in hardware, a Cisco WCS for Linux can support up to 750

wireless LAN controllers. A Cisco WCS for Windows can support up to 250 wireless LAN controllers. C. Cisco WCS for Windows includes support for Cisco Spectrum Expert clients. Cisco WCS for Linux

does not support Cisco Spectrum Expert clients. D. There are no differences in features between the Linux and Windows versions of Cisco WCS.

Answer: D Question:9 The 2.4-GHz wavelength is about 4.92 inches (12.5 cm), if you want to support diversity on a 2.4-GHz radio, at what distance is it recommended you put two separate antennas? A. 7.6 inches (19.30 cm) B. 12.2 inches (30.99 cm) C. 4.92 inches (12.5 cm) D. 24.6 inches (62.5 cm)

Answer: C Question:10 You are a network technician. According to the following exhibit, a client configured for LEAP authentication, a RADIUS server configured for LEAP, and an autonomous AP configured as Displayed. If authentication fails for the client, which is the most likely cause of this problem ?

A. The client supplicant: This client is providing the wrong EAP-ID in its EAP Identity response. B. The RADIUS server timeout: This timeout is too short; the access point will wait for the

RADIUS server, then the timer will expire and authentication will fail. C. The RADIUS server at 192.168.1.22: There is either a RADIUS key mismatch or user

credentials are not matching on the RADIUS Server.

D. The AP: The AP is misconfigured, because the authentication is set to use the local database on the AP.

Answer: D Question:11 Which two actions will happen when a wireless client deploys a Layer 2 roam between two WLCs with management IP addresses on different IP subnets but dynamic interfaces in the same VLAN? (Choose two.) A. The new WLC exchanges mobility messages with the original WLC and the client database entry

is moved to the new WLC. B. The client database entry is maintained on both the original and new WLCs. C. The original WLC marks the client with an "Anchor" entry in its own client database. D. The client database entry is removed from the original WLC once it has been entered into the new

WLC.

Answer: A, D Question:12 What is the reason that using a tool like Cisco Spectrum Expert is important? A. It maps the RF area to a floor plan. B. It allows you to detect multipath. C. It allows you to see the radiating environment at Layer 1. D. It decodes WLAN IPS attacks

Answer: C Question:13 In the AP Layer 3 controller discovery process, after the LWAPP Discovery Request is broadcast on a local subnet, which action will AP take next? A. Send an LWAPP response to the master controller if known. B. Send an LWAPP discovery request to controllers learned via OTAP if operational. C. Wait 5 seconds and resend a Discovery Request to the local subnet. D. Determine whether the controller responses are the primary controller.

Answer: B Question:14 Which three options are true when an H-REAP AP is in the "authentication down/local switching" state for a given WLAN? (Choose three.) A. New WebAuth sessions are permitted. B. The AP continues to send beacon probes and responses to keep current clients connected. C. 802.11 roaming events incur a full 802.1X re-authentication. D. Any new clients trying to authenticate are rejected.

Answer: B, C, D Question:15 The following message can be seen on a Cisco WCS:AP 'floor-1-lobby', interface '802.11b/g' on Controller '10.1.1.1'. Noise threshold violated. There is also a correlation between the occurrence of the message and user complaints. Which action should you take? A. Check the logs for rogues in the area, then turn on rogue mitigation. B. Seek out the source of the noise with a spectrum analyzer. C. Manually increase the power of the AP to overcome the interference. D. Increase the interference threshold from the default 10%.

Answer: B Question:16 Tom works as a network administrator for a company. He is asked to manually configure the Tx power on an 802.11b access point to a power level of 1 (100 mW) after implementing a Cisco 7921G wireless IP phone within a Cisco Unified Wireless Network. Which problem is the user likely to experience when the phone associates to the AP? A. one-way audio B. loss of connectivity to Cisco Unified Communications Manager C. audio delay or jitter or both D. the phone displays a "network busy" status message

Answer: A Question:17 Which statement accurately describes communication between the WDS and other APs in a WLAN setup using WDS? A. Communication is protected using multicast traffic, which is restricted to the local Layer 2

network. B. Communication is protected using X.509 certificates, which can be either self-signed or

manufacturer-installed. C. Communication is protected using a Context Transfer Key, which is manually configured on the

AP. D. Communication is protected using a Context Transfer Key, which is negotiated during WDS

authentication.

Answer: D Question:18 You are a network engineer at certways.com, When creating a wireless profile in the Cisco ADU and you have selected the WPA/WPA2/CCKM radio button option, what other decision will you make and then configure on this same screen? A. the SSID of the wireless client B. the length and value of the pre-shared key C. the EAP type to be used for authentication D. the encryption type

Answer: C Question:19 Alex is a network engineer for a company, he is now upgrading a large autonomous WLAN deployment to LWAPP operation. He has successfully imported a X.509 self-signed certificate into the WLC. But, when he tries to add additional self-signed certificates, the WLC GUI reports a "Failed to Add entry" error. Which command can diagnose the root cause of this problem? A. show exclusionlist B. show database summary C. show sysinfo D. show wps summary

Answer: B Question:20 Which description is true about NIC cards certified by Cisco Compatible Extensions? A. They support Cisco WLAN technology enhancements. B. They support Cisco standards such as LEAP and EAP-FAST but not PEAP-MSCHAP. C. They support 802.11 standards plus power management only. D. They are compliant with Cisco Compatible Extensions, but not with Wi-Fi.

Answer: A


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