Cisco 400-351 Online Practice Questions and Exam Preparation

Cisco 400-351 Online Questions & Answers

• Question 71:

  Refer to the exhibit. After the AP mode is changed from Local mode to Bridge mode, the AP cannot register to the Cisco WLC. Considering the debug output in the exhibit, which description of the issue is true?

  

  A. DTLS is not supported in bridge mode
  B. The AP priority exceeds the number of joining APs
  C. The AP MAC address is not added in the MAC filter list of the WLC
  D. The date and time on the WLC and AP do not match
  E. The AP does not have a valid certificate
  F. The WLC does not have the image for the AP
  C. The AP MAC address is not added in the MAC filter list of the WLC

• Question 72:

  There are 5 switches in the network use VTPv3, SW1 and SW2 configured as Server mode. SW1 is the primary server with revision 50. When add a new SW6 with Revision 200, what will happen?

  A. Switch3 updates its own database with the VLAN information received from SW2
  B. VTPv3 configure own database with the VLAN information received from SW1
  C. Switch6 updates its own database with the VLAN information received from SW1
  D. No switch will work
  C. Switch6 updates its own database with the VLAN information received from SW1

• Question 73:

  Your manager wants a quick view of the wireless network to include in one of his presentations to the upper management. Which Cisco Prime Infrastructure report provides this information?

  A. Security Alarm Trending Summary
  B. Site Network Summary
  C. 802.11n Network Summary
  D. Wireless Network Executive Summary
  D. Wireless Network Executive Summary

• Question 74:

  You use Cisco Prime Infrastructure to monitor your wireless network. You run the VoIP Calls Graph report. The report returns no result. Which option must you enable on a Cisco WLC to ensure that the report returns results?

  A. WLAN AVC
  B. TSM on 5.0 GHz or 2.4 GHz
  C. WLAN NetFlow
  D. VoIP snooping must be enabled on the WLAN.
  D. VoIP snooping must be enabled on the WLAN.

• Question 75:

  A wireless engineer must configure bandwidth-based admission control on the company WLC for video applications. After applying the necessary configuration changes to the corporate WLAN, the engineer notices that the bandwidth is not

  being allocated correctly.

  Which problem is true?

  A. Admission control cannot work with 802.1X security.
  B. The WLAN must have gold QoS configured.
  C. Only CCX v2 clients were connected to the WLAN at the time of the testing.
  D. An AVC profile must be assigned to the WLAN for the admission control to work properly.
  B. The WLAN must have gold QoS configured.

• Question 76:

  Which feature helps determine the Wi-Fi signal level in dBm at which an AP radio demodulates and decodes a packet from wireless client?

  A. optimized roaming
  B. Receiver Start of Packet Detection Threshold
  C. RSSI low check
  D. client load balancing
  E. band select
  B. Receiver Start of Packet Detection Threshold

• Question 77:

  You are configuring the Call Admission Control service on the wireless LAN controller. Which parameter is used to set apart how much capacity is left to be able to respond to ADDTS requests during association or re-association?

  A. Reserved Roaming Bandwidth
  B. Maximum Retry Percent
  C. Expedited Bandwidth
  D. Metrics Collection
  A. Reserved Roaming Bandwidth

• Question 78:

  In a VWLAN deployment, what autonomous ISO command should be used to ensure that VWLAN performance is not adversely impacted by an unexpected channel change resulting from a DFS event triggered by a nearby airport radar system?

  A. ap(config-if)#DFs band 1block
  B. ap(config-if)#DFs band 23 block
  C. ap(config-if)#DFs band 123 block
  D. ap(config-if)#DFs band 13 block
  E. ap(config-if)#DFs band 2 block
  B. ap(config-if)#DFs band 23 block

• Question 79:

  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. 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.
  B. Cisco WCS for Linux is required for deployments.
  C. There are no differences in features between the Linux and Windows versions of Cisco WCS.
  D. Cisco WCS for Windows includes support for Cisco Spectrum Expert clients. Cisco WCS for Linux does not support Cisco Spectrum Expert clients.
  C. There are no differences in features between the Linux and Windows versions of Cisco WCS.

• Question 80:

  Your customer has high availability Clint SSO configure using a pair of Cisco 5508 WlCs running 8.0 code. The primary unit failed over and the secondary unit is now active. Which two statement are true. (Choose two)

  A. Both controller RMIcan be in different subnets.
  B. Only the clients that are in the run state are maintained during failover
  C. Clients that are in transition such as roaming are dissociated
  D. New mobility is supported
  B. Only the clients that are in the run state are maintained during failover
  C. Clients that are in transition such as roaming are dissociated