Cisco 642-427 Online Practice Questions and Exam Preparation

Cisco 642-427 Online Questions & Answers

• Question 211:

  Which command should you use to resolve a jerky speed issue?

  A. playout-delay
  B. show voice port
  C. comfort-noise
  D. echo-cancel enable
  E. echo-cancel coverage
  F. comfort-echo
  A. playout-delay

• Question 212:

  Refer to the exhibit.

  

  Phones of branch users are not registering to the headquarters Cisco Unified Communications Manager of 10.10.10.100.

  Which action fixes the registration of the branch phones?

  A. Add the command telephony-service and configure Cisco Unified Communications Manager Express to the existing configuration.
  B. Add the command ip dhcp excluded-address 10.1.1.1 10.1.1.100.
  C. Change the default-router and network dhcp command setting.
  D. Remove the option 150 command.
  C. Change the default-router and network dhcp command setting.

• Question 213:

  While you troubleshoot an issue with audio quality, the symptoms stop. Which troubleshooting step is next?

  A. Document the facts.
  B. Continue to gather all the facts about the situation.
  C. Finalize the definition of the problem.
  D. Finalize the observation of the results.
  B. Continue to gather all the facts about the situation.

• Question 214:

  As a network administrator, you should be familiar with various commands. Which command can be used to designate a source IP address for a voice gateway?

  A. h323-gateway voip interface
  B. h323-gateway voip h323-id
  C. h323-gateway voip bind srcaddr
  D. voice service
  C. h323-gateway voip bind srcaddr

• Question 215:

  Refer to the exhibit.

  

  How does a switch port that receives marked traffic from a Cisco IP phone use the mls qos trust cos command?

  A. The CoS setting is modified according to the CoS-to-DSCP map.
  B. CoS is used to select the ingress and egress queues.
  C. For non-IP packets, the CoS is set to 7 and DSCP-to-CoS mapping is not applied.
  D. The DSCP-to-CoS map is applied.
  A. The CoS setting is modified according to the CoS-to-DSCP map.

• Question 216:

  Refer to the exhibit.

  

  Refer to the exhibit. All phones are placed in the Internal_Pt partition. The CSS for all phones contains the partition Internal_Pt, and Vml.CSS contains the voice- mail hunt pilot. When a call is placed from extension 2001 to 2002, which statement is true?

  A. Extension 2002 will ring.
  B. The call will be blocked.
  C. The call will be answered by voice mail.
  D. Extension 2002 will ring, and if the call is not answered, the call will match the translation pattern and then be blocked.
  E. Extension 2002 will ring, and if the call is not answered, the call will match the translation pattern and then be forwarded to voice mail
  A. Extension 2002 will ring.

• Question 217:

  You are troubleshooting why a user cannot make calls to the PSTN. You are reviewing trace files and you have found where the user's IP phone initiates the call but you never see the call go out the gateway. What is the next step in troubleshooting this issue?

  A. Look in the SDL trace file to see if there is a signal to another Cisco Unified CallManager node with the same time-stamp.
  B. Look in the SDL trace file to see if there is a signal to another Cisco Unified CallManager node with the same TCP handle.
  C. Look in the IP Voice Media Streaming App trace file to see if an MTP was invoked.
  D. Look in the MGCP trace file to determine which MGCP gateway the call was sent to.
  A. Look in the SDL trace file to see if there is a signal to another Cisco Unified CallManager node with the same time-stamp.

• Question 218:

  Refer to the exhibit. Click the Voice gateway for the BR2 location to view the output from the debbug voice ccapi inout command and click on 10.1.5.10 to view and search the trace file output. Output can be searched by entering a string in the Search box and click the Find button. click the X to return to the item.

  A trunk has been configured between the Cisco Unified CallManager cluster at 10.1.5.10 and a CME at 10.3.130.1. During testing you find that calls are completed when dialing from ext.2001 to ext.4001, but calls from ext. 4001 to ext. 2001

  receive a fast busy.

  What is the issue that is preventing calls from ext. 4001 to ext. 2001 from being completed?

  Hot Area:

  

  

• Question 219:

  Partition A contains four route patterns. The calling search space assigned to Device B contains only Partition A. When Device B dials 1136, which of the route patterns will be selected?

  A. 1[14]XX
  B. 11X!
  C. 1[^2-8]XX
  D. 1[1-4]XX
  B. 11X!

• Question 220:

  Click the matching criteria for inbound POTS calls on the left and drag them to the order of selection on the right.

  Select and Place: