Cisco 400-051 Online Practice Questions and Exam Preparation

Cisco 400-051 Online Questions & Answers

• Question 251:

  Refer to the exhibit.

  

  Assuming that the administrator has never performed any manual custom uploads, which two file types can be found when you choose Software Upgrades, followed by TFTP File Management on the Cisco Unified Operating System Administration web page? (Choose two.)

  A. IP phone configuration files
  B. sample music-on-hold audio files
  C. Identity Trust List files
  D. IP phone license files
  E. Mobile Voice Access audio files
  F. softkey template files
  C. Identity Trust List files
  E. Mobile Voice Access audio files

  ---

  We get option for Identity Trust list Files and Mobile Voice Access audio files.

• Question 252:

  A Cisco Unified Communications Manager administrator is working on devices that are roaming within the company using device mobility. Which two configuration settings have priority over the device settings when using the roaming device pool? (Choose two.)

  A. Physical Location
  B. Calling Party Transformation CSS
  C. Media Resource Group List
  D. Device Mobility Calling Search Space
  E. Adjunct CSS
  F. AAR Group
  C. Media Resource Group List
  D. Device Mobility Calling Search Space

• Question 253:

  Which two QoS guidelines are recommended for provisioning interactive video traffic? (Choose two.)

  A. Latency should be no more than 4? seconds.
  B. Overprovision interactive video queues by 20% to accommodate bursts.
  C. Loss should be no more than 5%.
  D. Interactive video should be marked to DSCP CS4.
  E. Jitter should be no more than 30 ms.
  B. Overprovision interactive video queues by 20% to accommodate bursts.
  E. Jitter should be no more than 30 ms.

• Question 254:

  Which enrollment method does a Cisco IOS VPN router trustpoint use to install a Certificate Authority Proxy Function certificate for LSC validation of a Cisco IP phone client?

  A. HTTP proxy server
  B. certificate authority server URL
  C. terminal
  D. self-signed
  E. registration authority
  C. terminal

  ---

  1. Router(config)#crypto pki trustpoint CAPF enrollment terminal authorization username subjectname commonname revocation-check none Router(config)#crypto pki authenticate CAPF Router(config)# Things to Note: The enrollment method is terminal because the certificate has to be manually installed on the Router.

  References: http://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/authentication-authorization-accounting-aaa/116313-configure-anyconnect-00.html

• Question 255:

  Refer to the exhibit.

  

  A collaboration Engineer using the SHOW EIGRP service-family External-client IOS Command, noticed that a CUCM failed to register as an external SAF Client on a Cisco IOS router named SiteC-CRTR. The engineer has collected snippets of the IOS configuration screenshots and CUCM trace shown in the exhibit.

  What is the reason for the registration failure?

  A. Password mismatch between CUCM and Router SAF configuration.
  B. sf-interface loopback0 command missing under service-family ipv4 autonomous-system 1.
  C. SIP trunk IP address pointing to a different address than SAF Forwarder address.
  D. Name mismatch between SAF Forwarder name info field and external-client name on router.
  E. ip multicast-routing command missing on router configuration.
  B. sf-interface loopback0 command missing under service-family ipv4 autonomous-system 1.

• Question 256:

  Refer to the exhibit.

  

  In a WAN environment with LLQ configured, audio quality issues are experienced during peak network traffic times. Which two configuration changes must be made to correct the audio quality issues? (Choose two)

  A. The total configured percentage in the policy map must be decreased.
  B. The class-map RTP must be changed to match-any.
  C. The precedence 5 must be removed from the RTP class map.
  D. The access-list mask must be changed to match the local subnet as the source.
  E. The class-map control must be changed to match-any.
  A. The total configured percentage in the policy map must be decreased.
  D. The access-list mask must be changed to match the local subnet as the source.

• Question 257:

  Refer to the exhibit.

  

  Which two SIP packet handling behavior will result with this CISCO Unified Border Element (CUBE) configuration? (Choose two)

  A. Unsupported content/MIME pass-through
  B. SIP Refer is not supported when received on this CUBE
  C. Privacy headers received on SIP massage will be replaced with NON-privacy headers on this CUBE
  D. P-Preferred identities
  E. Mid-call codec changes
  A. Unsupported content/MIME pass-through
  E. Mid-call codec changes

• Question 258:

  A voice engineer is preparing to migrate from PRI to SIP. Which three SIP request methods are available? (Choose three.)

  A. UNAUTHORIZED
  B. PRACK
  C. USE PROXY
  D. NOTIFY
  E. OPTIONS
  F. TRYING
  B. PRACK
  D. NOTIFY
  E. OPTIONS

• Question 259:

  Refer to the exhibit.

  

  Which three wireless security modes allow the user to enter user and password authentication on a Cisco 9971 IP Phone?

  A. Shared Key
  B. EAP-FAST
  C. Open with WEP
  D. Open
  E. LEAP
  F. AKM
  B. EAP-FAST
  E. LEAP
  F. AKM

• Question 260:

  Which statement describes the question mark wildcard character in a SIP trigger that is configured on Cisco Unity Express?

  A. It matches any single digit in the range 0 through 9.
  B. It matches one or more digits in the range 0 through 9.
  C. It matches zero or more occurrences of the preceding digit or wildcard value.
  D. It matches one or more occurrences of the preceding digit or wildcard value.
  E. It matches any single digit in the range 0 through 9, when used within square brackets.
  C. It matches zero or more occurrences of the preceding digit or wildcard value.