Cisco 642-427 Online Practice Questions and Exam Preparation

Cisco 642-427 Online Questions & Answers

• Question 121:

  Refer to the exhibit. Click the Voice Gateways for the BR2 location to view the output from the debug 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 clicking 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. 2020 to ext. 4001, but calls from ext. 40001 to ext. 2020 receive a fast busy.

  What is the issue that is preventing calls from ext. 4001 to ext. 2020 from being completed?

  Hot Area:

  

  

• Question 122:

  After a successful login using Cisco Extension Mobility, an IP phone performs a restart followed by a reset.

  What can cause this issue?

  A. The phone model to which the user logged in is a different model than the model that is configured in the user device profile.
  B. The locale that is configured on the phone is different than the locale that is configured in the user device profile.
  C. The security profile that is specified in the user device profile does not match the security profile for the phone where the user logged in.
  D. The user device profile and the phone that is used for the Cisco Extension Mobility log in do not use the same phone protocol.
  B. The locale that is configured on the phone is different than the locale that is configured in the user device profile.

• Question 123:

  What are three requirements for Quality of Service for voice calls? (Choose three.)

  A. jitter less than or equal to 30 ms
  B. PoE-supported Layer 2 switches used to connect IP Phones C. one-way latency less than or equal to 150 ms
  D. jitter less than or equal to 45 ms
  E. guaranteed bandwidth of 384 kbps for a voice call
  F. loss less than or equal to 1 percent
  A. jitter less than or equal to 30 ms
  F. loss less than or equal to 1 percent

• Question 124:

  Which step in the problem-solving model is important to accurately interview end users to get all the pertinent details of the problem?

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

• Question 125:

  Refer to the exhibits.

  

  

  

  The gateway CSS for inbound calls is configured using internal. CSS, which contains all the directory number partitions for the phones. When a PSTN call that is destined for extension 2001 arrives at the MGCP gateway, the call falls. Use the debug and configuration information in the exhibits to determine what might be causing this issue?

  A. The MGCP gateway L3 timers need to be increased.
  B. The backhaul link is not open.
  C. The gateway is using partial PRI, which is not supported in MGCP mode.
  D. Incoming dial-peer configuration is needed.
  E. The hostname for the gateway does not match the configuration in Cisco Unified Communications Manager.
  A. The MGCP gateway L3 timers need to be increased.

• Question 126:

  Which web-based application that is accessed via the Cisco Unified Communications Manager Administration GUI generates reports for troubleshooting or inspecting cluster data?

  A. Cisco Unified Serviceability alarms
  B. Cisco Unified RTMT Trace and Log Central
  C. Cisco Unified RTMT Monitor
  D. Cisco Unified Reporting tool
  D. Cisco Unified Reporting tool

• Question 127:

  Which command shows mismatched data across the Cisco Unified Communications Manager cluster?

  A. utils dbreplication repair
  B. utils dbreplication refresh
  C. utils dbreplication status
  D. utils dbreplication clusterreset show data
  C. utils dbreplication status

• Question 128:

  You are a network technician working in the Network Company. Recently, users complain that they cannot call the PSTN. With the help of testing, you find that the gateway is not switching to the secondary call agent when the primary call agent is unreachable. In order to permit the MGCP gateway to take use of a different call agent once the primary fails, which configuration should you make?

  A. Add ccm-manager fallback-mgcp command to the gateway.
  B. Add ccm-manager redundant-host command to the gateway
  C. Assign a Cisco Unified CallManager group including the secondary call agent to the gateway
  D. Define gateway as a non-gatekeeper-controlled intercluster trunk with the secondary Cisco Unified CallManager defined.
  B. Add ccm-manager redundant-host command to the gateway

• Question 129:

  Which port number is used as a backhaul for Media Gateway Control Protocol?

  A. 2426
  B. 2427
  C. 2428
  D. 2429
  E. 2456
  F. 2458
  C. 2428

• Question 130:

  The knowledge about RAS message is very important. Which of the following RAS messages can be sent by using either unicast or multicast?

  A. RRQ
  B. ARQ
  C. GRQ
  D. RIP
  C. GRQ