Cisco 642-437 Q&A - in .pdf

  • 642-437 pdf
  • Exam Code: 642-437
  • Exam Name: Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0)
  • Updated: Jul 30, 2026
  • Q & A: 257 Questions and Answers
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Cisco 642-437 Q&A - Testing Engine

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  • Exam Name: Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0)
  • Updated: Jul 30, 2026
  • Q & A: 257 Questions and Answers
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Cisco 642-437 Exam Syllabus Topics:

SectionWeightObjectives
Implement QoS for Voice Networks15%- Queuing mechanisms and AutoQoS
- Classification, marking, and policing
- QoS principles and requirements
- Call Admission Control
Implement Cisco Unified Communications Manager Express18%- IP phone registration and provisioning
- CUCME setup and configuration
- Basic call features and dial plans
Describe a Dial Plan13%- Call routing and PSTN connectivity
- Digit manipulation and route patterns
- Dial plan components and functions
Implement Voice Gateways22%- Gateway types and deployment models
- Fax and modem support
- Analog and digital voice ports
- Dial peers configuration
Implement Gatekeeper and Cisco Unified Border Element12%- Gatekeeper functions and configuration
- Interoperability and security
- CUBE deployment and features
Describe VoIP Call Legs and Signaling20%- H.323, SIP, and MGCP protocols
- Codec selection and media transport
- VoIP architecture and call flow

Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:

1. Which scenario requires QoS to be deployed on a network?

A) an echo
B) consistent bandwidth
C) an end-to-end audit
D) slow performance


2. For multisite deployments with distributed call processing, which three dial plan solutions does Cisco recommend? (Choose three.)

A) defining Call Admission Control for Cisco Extension Mobility
B) implementing Service Advertisement Framework
C) implementing PSTN backup
D) implementing PSTN access
E) using access and site codes
F) defining remote site redundancy options


3. Which four types of ephone-dns are supported by SCCP in Cisco Unified Communications Manager Express? (Choose four.)

A) dual-number
B) dual-line
C) two directory numbers with one telephone number
D) octo-line
E) shared-line, nonexclusive
F) single-line


4. When troubleshooting poor VoIP call quality, which two tools should you use to measure the overall metrics? (Choose two.)

A) R-Factor
B) signal-to-noise ratio
C) mean opinion score
D) quality of experience
E) quality of service


5. Refer to the exhibit.

Cisco 642-437 Exam
When an inbound PSTN call to 4087071222 is received by the router that is shown in the exhibit, what is the resulting called number?

A) 14081222
B) 1222
C) 14087071222
D) 4087071222
E) 11222


Solutions:

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

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