Cisco 400-351 Online Practice Questions and Exam Preparation

Cisco 400-351 Online Questions & Answers

• Question 131:

  Which technology is used by AVC on a Cisco WLC for identification and classification of applications?

  A. modular QoS CLI
  B. NBAR
  C. ACL
  D. IP precedence
  B. NBAR

• Question 132:

  Which syslog configuration on a Cisco access point is the default?

  A. The access points send syslogs to default gateway at syslog level 0 (Emergencies).
  B. The access point broadcasts logs to 255.255.255.255 at syslog level 1 (Alerts).
  C. The access points uses DHCP option 20 to identify the syslog server and sends syslog level 2 (Critical).
  D. The access point sends syslog messages to primary controller as syslog level 3 (Errors).
  B. The access point broadcasts logs to 255.255.255.255 at syslog level 1 (Alerts).

• Question 133:

  Which two statement about LAG in the Cisco wireless LAN controller running Aire OS 8.0 are true?(choose two)

  A. LAG bundles all of the crsco WLC distribution system ports into a single 802.3ad port channel.
  B. There can be only one AP-manager interface if LAG is enabled
  C. LAG configuration change take effect immediately after they are configured
  D. Channel negotiation LACP and PAgP are supported
  A. LAG bundles all of the crsco WLC distribution system ports into a single 802.3ad port channel.
  B. There can be only one AP-manager interface if LAG is enabled

• Question 134:

  Which meaning of this error message is true?

  VoIP Call Failure: `xx:xx:xx:xx:xx:xx' client, detected by `LAP' AP on radio type `802.11b/g'. Reason: `Call failed: TSPEC QOS Policy does not match'

  A. Channel utilization on the AP is high and load-based CAC is enabled.
  B. Roaming bandwidth is depleted and the client gets a network busy message.
  C. Traffic SPECification request from the handset is refused due to QoS policy mismatch between the handset and CallManager.
  D. Traffic SPECification request from the handset is refused due to wrong QoS configuration on the WLAN.
  D. Traffic SPECification request from the handset is refused due to wrong QoS configuration on the WLAN.

• Question 135:

  Which option is a layer 1 cllient exclusion policy solution?

  A. Excessive 802.1x authentication failures
  B. VPN passthrough
  C. Web policy (web passthrough)
  D. Static WEP)
  E. 802.1x
  F. WPA2 (AES-CCMP
  A. Excessive 802.1x authentication failures

• Question 136:

  DRAG DROP

  Drag and drop the predictive site survey actions from the left into the correct order of operation on the right.

  Select and Place:

  

  

• Question 137:

  Refer to the exhibit.

  

  After you configure a new SSID with 802.1X using ISE as the RADIUS server, you notice that your Wi-Fi clients cannot connect to the SSID. The ISE RADIUS live logs shows these error messages. Which cause of the problem is true?

  A. There is a mismatch on the RADIUS shared secret between ISE and the WLC.
  B. The RADIUS server port settings on the WLC are wrong.
  C. The WLC IP address has not been added to the ISE Network Devices list.
  D. The RADIUS server IP address settings on the WLC are wrong.
  D. The RADIUS server IP address settings on the WLC are wrong.

• Question 138:

  Refer to the exhibit. You are configuring an autonomous AP in WGB mode. You configure d1 radio as shown in the exhibit.

  WBG(config-if) # interface d1 WBG(config-if) # mobile station scan 5180 5200 5220 5240

  Which command must you use on the root bridge to ensure the successful negotiation of a link?

  A. RB(config-if)# interface d0 RB(config-if)# channel 5180 5200 5220 5240
  B. RB(config-if)# interface d1 RB(config-if)# mobile station 5180 5200 5220 5240
  C. RB(config-if)# interface d1 RB(config-if)# mobile station 5180
  D. RB(config-if)# interface d1 RB(config-if)# channel 5180
  D. RB(config-if)# interface d1 RB(config-if)# channel 5180

• Question 139:

  

  Refer to the exhibit. This topology shows a Cisco 5508 WLC with an AIR-CAP3702I-A-K9 attached to it. A wireless client is connected to the SSID "red" on VLAN 20 and is trying to share its screen with a projector connected to Chromecast device on SSID "blue", which is on VLAN 10. Though all the mDNS configuration is in place at WLANs and network interface level, the wireless client is still not able to stream the traffic to the Chromecast server. The snippet capture on the wireless interface of the wireless client is also provided. What is the reason why the client is not able to mirror its screen on the Chromecast device is true?

  A. Clients can be on different VLANs as long as multicast forwarding has been enabled to support DIAL protocol streaming.
  B. The wireless client is using mDNS service to discover Chromecast devices.
  C. The DIAL protocol is not a supported streaming method via the WLC.
  D. The wireless client is using Discovery and Launch service to discover Chromecast devices.
  D. The wireless client is using Discovery and Launch service to discover Chromecast devices.

• Question 140:

  You are using optimized roaming to resolve a problem of sticky clients that remain associated to access points that are far away. Which two statements about optimized roaming are true? (Choose two.)

  A. Optimized roaming actively monitors probe RSSI packets.
  B. Optimized roaming prevents client disassociation when the client RSSI is low.
  C. One of the conditions that must be met for a client to be disassociated is that the current data rate of the client is lower than the optimized roaming data rate threshold.
  D. Optimized roaming passively monitors data RSSI packets and disassociates clients when the RSSI is higher than the set threshold.
  E. You cannot configure the optimized roaming interval until you disable the 802.11a/b network.
  A. Optimized roaming actively monitors probe RSSI packets.
  E. You cannot configure the optimized roaming interval until you disable the 802.11a/b network.