Cisco 642-427 Q&A - in .pdf

  • Exam Code: 642-427
  • Exam Name: Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0)
  • Updated: Jun 01, 2026
  • Q & A: 301 Questions and Answers
  • Printable Cisco 642-427 PDF Format. It is an electronic file format regardless of the operating system platform.
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Cisco 642-427 Q&A - Testing Engine

  • Exam Code: 642-427
  • Exam Name: Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0)
  • Q & A: 301 Questions and Answers
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Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) Sample Questions:

1. When a Cisco Unified Border Element is deployed to support RSVP-based CAC, which method is required?

A) The Cisco Unified Border Element does not have to participate in the RSVP message exchange and will pass RSVP message through unchanged using media flow-around.
B) RSVP-based CAC requires Cisco Unified Border Element to use media flow-through.
C) RSVP-based CAC can be supported with either media flow-through or media flow-around if the Cisco Unified Communication manager is configured as an RSVP agent
D) RSVP-based CAC only supports media flow-around


2. Refer to the exhibit. When an outgoing PSTN call is made through the MGCP gateway shown in the exhibit, which two statements about the called numbers and calling numbers is true? (Choose two.)

A) The calling number will have no digit manipulation.
B) The called number will have no digit manipulation.
C) The calling number will be subject to digit manipulation based on the device pool calling party
transformation CSS.
D) The called-party number will be subject to digit manipulation based on the device pool called-
party transformation CSS.
The calling number will inherit digit manipulations from the called-party transformation CSS if a
pattern match occurs.
E) The called number will be subject to digit manipulation based on the transformation pattern that
is assigned to the BR1_Intl.CSS.


3. Which Cisco Unity troubleshooting tool would be used to diagnose problems with skinny and MWI messages?

A) Cisco Unity Performance Information and Diagnostics
B) Integration Monitor
C) SysCheck
D) Unity Diagnostic Tool


4. A customer is trying to register an IP phone. During the registration process, the IP phone receives the configuration file (.xml) from the TFTP server. Which input can you find in the configuration file that is downloaded to the IP phone?

A) extension number
B) IP address of the IP phone
C) location of the DHCP server
D) valid locally significant certificate
E) speed dials
F) firmware to be loaded on IP phone


5. Which troubleshooting tool is the most effective in parsing the large traces of call setup on many Cisco IP Phones that are registered in a Cisco Unified Communications Manager cluster to just two Cisco IP Phones?

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


Solutions:

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

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