Cisco 642-427 Online Practice Questions and Exam Preparation

Cisco 642-427 Online Questions & Answers

• Question 71:

  Refer to the exhibit. You have received a trouble ticket stating that calls to international numbers are failing. To place an international call, users dial the access code "9," followed by "011," the country code, and the destination number. After entering the debug isdn q931 command on the MGCP gateway, you have the user attempt the call again.

  

  Based on the debug output, what is the most likely cause of this problem?

  A. Cisco Unified CallManager is not stripping the access code before sending the call to the gateway.
  B. The gateway dial peer needs to prefix "011" to the called number so the PSTN knows this is an international call.
  C. The user's CSS does not permit international calls.
  D. The TON is incorrect.
  E. The circuit is not configured correctly or has a physical layer issue.
  E. The circuit is not configured correctly or has a physical layer issue.

• Question 72:

  Which replication state means that the replication is good?

  A. 1
  B. 2
  C. 3
  D. 4
  B. 2

• Question 73:

  Which QoS methodology combines strict priority queuing with class-based weighted fair queuing?

  A. IP RTP Priority
  B. Multilink
  C. IP Frame Relay RTP Priority
  D. RSVP
  E. LLQ
  E. LLQ

• Question 74:

  An H.323 gatekeeper maintains a separate gateway list, ordered by priority, for each of its zone prefixes. Suppose that a gateway does not have an assigned priority for a zone prefix. Please choose the default priority of this gateway.

  B. 5
  C. 10
  D. 32
  B. 5

• Question 75:

  Refer to the exhibit.

  

  When 5551234 is being matched with the outgoing dial peer that is shown in the exhibit, which of the following called numbers will be sent to the VoIP network?

  A. 5551234
  B. 1234
  C. 555
  D. Null
  E. 5
  F. 51234
  A. 5551234

• Question 76:

  Which two of the following signaling protocols are peer-to-peer protocols? (Select two.)

  A. H.323
  B. MGCP
  C. SIP
  D. SCCP
  A. H.323
  C. SIP

• Question 77:

  Which information can be used to troubleshoot dropped calls?

  A. Cisco Discovery Protocol neighbor output
  B. Call Manager traces
  C. system logs
  D. switch port configurations
  B. Call Manager traces

• Question 78:

  Drag the components that make up Cisco fax relay and T.38 from the left and drop them under the appropriate category on the right.

  Select and Place:

  

  

• Question 79:

  The G.729 codec is configured for branch office phones that call across the WAN link to headquarters. Cisco Unity Connection in headquarters is configured to accept only the G.711 codec. Branch users currently cannot access their voicemail.

  Which solution is best to enable voicemail for branch users and minimize WAN bandwidth utilization per call?

  A. Enable transcoding resources on the branch office gateway.
  B. Enable transcoding resources on the headquarters gateway.
  C. Enable transcoding resources on Cisco Unified Communications Manager.
  D. Enable transcoding resources on Cisco Unity Connection.
  B. Enable transcoding resources on the headquarters gateway.

• Question 80:

  Refer to the exhibit.

  

  Local 10-digit dialing in the North American Numbering Plan to area code 456 is failing. Which two changes are needed to enable 10-digit dialing? (Choose two.)

  A. Change dial peer 210 to destination-pattern 456.......
  B. Change dial peer 210 to destination-pattern 9456.......
  C. Change dial peer 210 to port 0/0/0:23.
  D. Remove the command prefix 456 from dial peer 210.
  B. Change dial peer 210 to destination-pattern 9456.......
  C. Change dial peer 210 to port 0/0/0:23.