Cisco 642-427 Online Practice Questions and Exam Preparation

Cisco 642-427 Online Questions & Answers

• Question 101:

  Refer to the exhibit. A user at BR1 is on a call to the PSTN through the PRI interface on the local 323 gateway. The IP WAN has just failed and the call has been dropped.

  

  What is causing the call to be dropped?

  A. The H.323 gateway has lost the D channel on the PRI.
  B. SRST hasn't been configured on the BR1 gateway.
  C. The no h225 timeout keepalive command has not been configured on the gateway.
  D. The IP phone hasn't registered with SRST.
  B. SRST hasn't been configured on the BR1 gateway.

• Question 102:

  Refer to Exhibit.

  

  Assume that all learned SAF routes are placed in the SAF_Pt partition. The 3XXXdirectory number pattern is being advertised by a remote cluster and is also being blocked by the local cluster that is shown in the exhibit. An IP Phone is attached to the local cluster and is configured with a CSS that contains the following partitions: SAF_Pt and internal_Pt in this order. When the IP phone places a call to 3001, what will occur?

  A. The call will succeed and will be placed via the SIP_Trunk.
  B. The call will fail because it will be blocked by the CCO blocked Learned Route configuration.
  C. The Call will be placed in a round-robin fashion between the SAF network and SIP_trunk.
  D. The Call will be placed in a round -robin fashion between the SAF network and SIP network and SIP_Trunk Every other call will fail.
  A. The call will succeed and will be placed via the SIP_Trunk.

• Question 103:

  Which RAS message does a gateway use to request admission to a network and to also request phone number to IP address resolution?

  A. ARQ
  B. IRQ
  C. LRQ
  D. RRQ
  A. ARQ

• Question 104:

  Refer to the exhibits.

  

  Low latency queuing has been implemented on the HO and BR1 routers to allow five G.729 calls. Callers are still experiencing poor audio, in particular choppy and delayed audio during traffic congestion. This problem occurs even with just

  one active call.

  Which two actions will solve the issue?

  

  

  

  

  

  A. Change the codec type to G 711. J
  B. Configure RSVP call admission control
  C. Configure L ink Fragmentation and Interleave on the WAN links
  D. Configure RTP header compression on the WAN links
  E. Increase the priority queue bandwidth to 80 Kb/s
  F. Configure location settings in Cisco Unified Communications Manager to 1 20 Kb/s
  C. Configure L ink Fragmentation and Interleave on the WAN links
  D. Configure RTP header compression on the WAN links

• Question 105:

  You have been presented with a trouble ticket from an end user who works at a remote location that is served by a Cisco Unified Communications Manager Express. The user reports being unable to place calls to international numbers, but all other calls work properly and other users at this location can place international calls. Which two troubleshooting techniques would be helpful in resolving this issue? (Choose Two)

  A. Cisco IOS debug tools
  B. Class of Restriction baseline configuration for the user on Cisco Unified Communications Manager Express
  C. show output of the ephone and ephone -dn configurations.
  D. show output of the voice translation rules in the voice gateway
  E. show output for the T1 controller and voice port configuration in the voice gateway.
  A. Cisco IOS debug tools
  B. Class of Restriction baseline configuration for the user on Cisco Unified Communications Manager Express

• Question 106:

  What do you do next if after observing the result of your troubleshooting, the problem still exists?

  A. Implement Acton Plan
  B. Define the Problem
  C. Consider the Possibilities
  D. Create Action Plan
  E. Gather Facts
  F. Observe Results
  G. Restart Problem-Solving
  H. Process Problem Resolved
  C. Consider the Possibilities

• Question 107:

  When users in headquarters are put on hold, they can hear MOH. However, when users in the branch office over the WAN link are put on hold, they cannot hear MOH. The Cisco Unified Communications Manager cluster is located in headquarters.

  Which solution is most effective to restore MOH to branch users?

  A. Put branch user phones in the same MRGL as the headquarters phones.
  B. Put branch user phones in a different MRGL than the headquarters phones to optimize WAN utilization.
  C. Put branch user phones in the same MRG as the headquarters phones.
  D. Put branch user phones in a different MRG than the headquarters phones to optimize WAN utilization.
  A. Put branch user phones in the same MRGL as the headquarters phones.

• Question 108:

  Which two types of Cisco Unified Communications Manager trace files contain Call Processing information that is helpful for troubleshooting outbound and inbound calling issues? (Choose two)

  A. Cisco Unified Communications Manager syslog trace
  B. Cisco Unified Communications Manager Dialed Number Analyzer trace
  C. Real Time Monitoring Tool Processes trace
  D. Cisco Unified Communications Manager SDL trace
  E. Cisco Unified Communications Manager Log4Jtrace
  F. Cisco Unified Communications Manager SDI trace
  D. Cisco Unified Communications Manager SDL trace
  F. Cisco Unified Communications Manager SDI trace

• Question 109:

  As a network technician, you should be familiar with various commands. Which command displays a count of successful and unsuccessful control commands?

  A. show mgcp calls
  B. show mgcp statistics
  C. show mgcp
  D. debug mgcp statistics
  B. show mgcp statistics

• Question 110:

  Which default switchover method is used by the SCCP client to connect to another Cisco Unified Communications Manager after losing connectivity with the first Cisco Unified Communications Manager?

  A. immediate
  B. urgent
  C. graceful
  D. panic
  E. recovery
  F. static
  C. graceful