Cisco 400-351 ExamCCIE Wireless Written Exam

Total Question: 154 Last Updated: March 27,2017
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Q21. which two types of interface events are common for cleanAir?(choose two) 

A. Microwave interference 

B. Co-channel interference 

C. Spontaneous interference 

D. Persistent mterference 

Answer: C, D 

Q22. While troubleshooting a failed central web authentication configuration on cisco WLC you discover that the Cisco WLC policy manager state is showing RUN For new client and not CENTRAL_WEB_AUTH what is most likely the issue.? 

A. The WLAN Layer 2 security should be sent to WPA+WPA2 

B. The WLAN NAC state should be set to RADIUS NAC 

C. The web login page under the cisco WLC security should be set to external (redirect to external server) 

D. The WLAN layer 3 security should be set to web page policy with condition web redirect. 


Q23. The network operations center is using PI to collect and monitor the AVC data from a cisco WLC however no AVC information is showing up in cisco PI based on this information from the Cisco WLC reason that Cisco PI is not showing the information is True.? 

A. Cisco prime does not have the correct licensing installed. 

B. The monitor-Name and exporter-name do note match 

C. The Exporter-IP should be the IP address of the cisco WLC 

D. The port number should be 9991. 


Q24. You are conducting a site survey for a customer that is about to deploy Cisco wireless phones. Which three recommendations apply? (Choose three.) 

A. Minimum SNR should be 15 dB. 

B. The minimum recommended wireless signal strength for voice applications is - 71 dBm. 

C. Minimum SNR should be 25 dB. 

D. Wireless cell overlap should be 20 percent. 

E. Minimum SNR should be 35 dB. 

F. The minimum recommended wireless signal strength for voice applications is -57 dBm. 

G. Wireless cell overlap should be 10 percent. 

H. The minimum recommended wireless signal strength for voice applications is - 67 dBm. 

Answer: A, D, F 

Q25. Exhibit 

A. Group Temporal Key 

B. Pairwise Transient Key 

C. Master Session Key 

D. Pairwise Master Key 


Improved 400-351 practice test:


Drag and drop the characteristic on the left to the appropriate EAP type on the right. 



Q27. You are working on a deployment that uses two Cisco APs as wireless bridges. One of the bridges is configured as a root bridge and the second bridge is configured as a nonroot bridge. Client A associates to the root bridge and client B associates to the nonroot bridge. Which two statements about this scenario are true? (Choose two) 

A. The default setting of a bridge is nonroot bridge. 

B. For two bridges to communicate with each other, one of the bridges must be in root mode and the other bridge must be in nonroot mode. 

C. Only one device can connect to the Ethernet port of a nonroot bridge. 

D. Two bridges that are in root mode can talk to each other. 

E. In point-to-multipoint bridging, WGB is not recommended with the root bridge. WGB must be associated to the root AP in point-to-multipoint bridging setup. 

Answer: A, E 

Q28. Which two statement about AP local authentication by FlexConnect AP in standalone mode are true?(choose two) 

A. Only LEAP,EAP F AST,PEAP and EAP-TLS authentication are supported 

B. Only the vendor certificate authority (CA) certificate has to be downloaded to the Cisco wireless LAN controller for EAP-TLS authentication 

C. Cisco wireless LAN controller must generate a certificate signing request by itself for submitting to a certificate authority for signing. 

D. A flexconnect group must be created so that the cisco wireless LAN Controller can push the certificate to the flexconnect AP in the Flexconnect group. 

Answer: A, D 

Q29. Which two statements about deploying a mesh network by MAPs and RAPs are true on AireOS 8.0?(choose two) A. The three main types of mesh type under the neighbor information are neighbored, parent and child. For types default neighbor and default child default is used when the neighbor BGN is not known of different from the current AP BGNif the strict matching BGN features is disabled. 

B. The backhaul client access feature cannot be enabled on a RAP that is RAP does not allow clients on its 802.11a radio 

C. To allow relaying traffic to and from the Ethernet port of a MAP,the Ethernet bridging feature must be enabled on the map 

D. A map of rap must be authorized by either PSK or EAP before joining a controller in bridge mode. 

Answer: A, C 

Q30. If a guest anchor controller is used outside the firewall,which firewall ports must you open for guest access including SNMP and mobility features to work in a Cisco unified wireless network? 

A. UDP 16667. IP Protocol97. UDP 500 501 

B. UDP 16666 .IP Protocol97. UDP 162 163 

C. UDP 12222 .IP Protocol97. UDP 161 162 

D. UDP 16666 . IP Protocol 97. UDP 161 162 

E. UDP 12223 . IP Protocol 97. UDP 161 162 


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