Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) : 642-427 valid dumps

642-427 real exams

Exam Code: 642-427

Exam Name: Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0)

Updated: May 01, 2024

Q & A: 301 Questions and Answers

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Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) Sample Questions:

1. Which Cisco troubleshooting tool allows syslog logs to be viewed?

A) the Triple combo tool
B) RTMT
C) sniffer filters
D) DNA


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


3. Refer to the exhibits.

The HG_MRG that is shown in the exhibit is assigned to an MRGL, which is configured at the HQ phones.
A call exists between two HQ phones that use G.711 codec. When one of the HQ users attempts to conference a BR phone across the WAN, the conference fails. The SDI trace shows an error "No transcoder device configured."
Which statement indicates the correct resolution or reason for the issue?


A) The BR phone does not have access to the CFB_2 bridge
B) The CFB_2 bridge should be removed from the HQ_MRG and assigned to an MRG that is not assigned to an MRGL
C) The CFB_2 bridge should be listed last in the HO_MRG
D) The BR phone does not have access to the HO_Conf bridge
E) The BR phone does not have access to a transcoder


4. How does LLQ ensure that voice traffic is always expedited?

A) LLQ uses CBWFQ to prioritize voice traffic and dequeue the voice packets so that they can be handled first.
B) The strict priority queue has a higher weight than the queues in CBWFQ. This weight allows the delay sensitive data such as voice to be dequeued and sent first.
C) LLQ adds a strict priority class to CBWQF. The class allows delay-sensitive data such as voice to be dequeued and sent first.
D) The LLQ strict priority queue allows delay-sensitive data such as voice to be dequeued and sent first (before packets in order queue are dequeued), giving delay sensitive data preferential treatment over other traffic.


5. 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 9456.......
B) Change dial peer 210 to destination-pattern 456.......
C) Remove the command prefix 456 from dial peer 210.
D) Change dial peer 210 to port 0/0/0:23.


Solutions:

Question # 1
Answer: B
Question # 2
Answer: A
Question # 3
Answer: C
Question # 4
Answer: D
Question # 5
Answer: A,D

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