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Cisco CCNP Voice 642-427

642-427

Exam Code: 642-427

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

Updated: May 31, 2026

Q&A Number: 301 Q&As

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

1. Two Cisco Unified Communications Manager clusters have recently been installed. One is in Tokyo and the other in Chicago connected by a WAN link. You have started the configuration of a SIP trunk and you are integrating the dial plans. All phones in Tokyo can call all phones in Chicago, but no phones in Chicago can call Tokyo phones.
Which two statements are possible causes? (Choose two.)

A) The SIP trunk is configured from Tokyo to Chicago, but not from Tokyo to Chicago.
B) The CSS of the Chicago phones does not include the partition of the route pattern to point to Tokyo.
C) The SIP trunk in Chicago is in a CSS that is not in the partition of the Chicago phones.
D) The Tokyo SIP trunk inbound CSS does not contain the partition of the Tokyo phones.
E) Tokyo phones are in a CSS that is not in the partition of the route pattern to call from Tokyo to Chicago.


2. 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.

A) 10
B) 0
C) 32
D) 5


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

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


4. Which three troubleshooting tools are available on Cisco Unified Communications Manager? (Choose three.)

A) alarms
B) Netcool
C) SDL and SDI trace
D) RTMT
E) CLI
F) SCCP troubleshooting tools


5. You need to collect debug information in a production environment on urgent basis to troubleshoot a problem. Which two commands are recommended by Cisco that you should run? (Choose two.)

A) logging buffered
B) no logging console
C) no debug all
D) show logging info
E) undebug all
F) show debug


Solutions:

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

642-427 Related Exams
642-467 - Integrating Cisco Unified Communications Applications v8.0 (CAPPS v8.0)
642-447 - Implementing Cisco Unified Communications Manager, Part 1 v8.0 (CIPT1 v8.0)
642-457 - Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0)
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