Cisco 400-351 Online Practice Questions and Exam Preparation

Cisco 400-351 Online Questions & Answers

• Question 481:

  In the process of deploying a Cisco 7921G wireless IP Phone within the Cisco Unified Wireless Network, which feature will be implemented between the phone and the access point to mitigate one-way audio?

  A. NMSP
  B. DTPC
  C. DCA and TPC
  D. AKM
  B. DTPC

• Question 482:

  On a Cisco autonomous AP, the maximum number of attempts to send a packet (packet retries) is set to 32 by default. Which statement about the result when the AP has tried to send a packet for that number of attempts and no response is received from the client is true?

  A. The access point drops the packet.
  B. The client MAC address is excluded for 60 seconds.
  C. The access point resets the radio interface.
  D. The access point disassociates the client.
  A. The access point drops the packet.

• Question 483:

  Prime infrastructure will trigger alarms indicating that the prime infrastructure physicalor virtual server is low on disk space as the administrator which three actions can you take to increase disk space immediately upon receiving a major alert (60 percent disk usage)? (choose three)

  A. Change the disk controller RAID
  B. Enable corn job on ade for disk clean up using $ du-sh
  C. Compacting the PI database using the NCS CLEANUP command
  D. Reduce the storage load on the local disk by setting up and using remote buckupreposttories
  E. Reduce the length of time you store client association data and related events.
  F. Compacting the PI database using the NCS DATABASE PURGE command
  C. Compacting the PI database using the NCS CLEANUP command
  D. Reduce the storage load on the local disk by setting up and using remote buckupreposttories
  E. Reduce the length of time you store client association data and related events.

• Question 484:

  You are looking at the logs of the Identity Services Engine while troubleshooting a wireless connectivity problem. You see this error: "handshake failed because of an unknown CA in the client certificates chain". Which two statements are true? (Choose two.)

  A. ISE does not trust the certificate chain of the client
  B. EAP-Method is LEAP
  C. Client does not trust the certificate chain of ISE
  D. The client is doing certificate-based authentication
  E. The WLC does not trust the certificate chain of client, which relayed to the client via the ISE.
  A. ISE does not trust the certificate chain of the client
  D. The client is doing certificate-based authentication

• Question 485:

  After going through the DCF process, what further process does the client go through to reserve a medium?

  A. No process, it can begin transmitting immediately
  B. Send a REQ, receive an ACK, send frames
  C. Send an RTS and SIFS, receive a CTS and SIFS, then send frames
  D. Send a CTS and SIFS, receive an RTS and SIFS, then send frames
  C. Send an RTS and SIFS, receive a CTS and SIFS, then send frames

• Question 486:

  DRAG DROP

  Map the WLC interfaces on the left to their correct functionality description in the right column.

  Select and Place:

  

  

• Question 487:

  Which statement about ACLs used on a Cisco WLC is true?

  A. A WLAN ACL will override an interface access-list.
  B. An interface ACL will override a WLAN ACL.
  C. A WLAN ACL will get applied first followed by an interface ACL.
  D. An interface ACL will get applied first followed by a WLAN ACL.
  A. A WLAN ACL will override an interface access-list.

• Question 488:

  Your customer is having wireless VoIP problems. When the Cisco 7925 phones roam from APtlo AP2, the voice drops out and comes back. The phones are set up for PEAP/WPA2-AES with CCKM to an external RADIUS server .The APs and WLAN are setup in FlexConnect mode. Which statement explains the issue?

  A. PEAP with WPA2-AES is not supported with Cisco Centralized Key Management, use EAP-FAST.
  B. The APs have not been added to the FlexConnectgroup .
  C. PEAP with WPA2-AES is not supported with Cisco Centralized Key Management, use LEAP.
  D. The APs have been added to the FlexConnectgroup .
  B. The APs have not been added to the FlexConnectgroup .

• Question 489:

  Which two statements about the client ARP caching feature, on a Cisco Autonomous AP deployment are true? (Choose two.)

  A. When ARP caching is enabled, the access point forwards all ARP requests through the radio port to associated clients, and the client to which the ARP request is directed responds.
  B. When ARP caching is disabled, the access point responds to ARP requests for associated clients and does not forward requests to clients.
  C. ARP caching on the access point reduces the traffic on your wireless LAN to stopping ARP requests for client devices at the access point.
  D. When ARP caching is enabled, when the access point receives an ARP request for an IP address not in the cache, the access point drops the request and does not forward it.
  E. For client ARP caching, even when the access point has learned the IP addresses for all associated clients, it continues to accept ARP requests.
  C. ARP caching on the access point reduces the traffic on your wireless LAN to stopping ARP requests for client devices at the access point.
  D. When ARP caching is enabled, when the access point receives an ARP request for an IP address not in the cache, the access point drops the request and does not forward it.

• Question 490:

  Which two functions of a VTEP enable the stretch of a broadcast domain over a DCI? (Choose two.)

  A. Encapsulate VM traffic within an IP header
  B. Enable RSTP in the VxLAN overlay
  C. Route native VxLAN traffic
  D. Check a VM MAC Address in the Overlay and map it to an IP address
  E. Send encapsulated VxLAN traffic across an IP network.
  A. Encapsulate VM traffic within an IP header
  E. Send encapsulated VxLAN traffic across an IP network.