Cisco 642-437 Q&A - in .pdf

  • Exam Code: 642-437
  • Exam Name: Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0)
  • Q & A: 257 Questions and Answers
  • PDF Price: $59.99
  • Printable Cisco 642-437 PDF Format. It is an electronic file format regardless of the operating system platform.
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Cisco 642-437 Q&A - Testing Engine

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

SectionObjectives
Topic 1: Call Admission Control and Performance- Voice network performance considerations
- Call admission control mechanisms
Topic 2: Quality of Service (QoS)- Congestion management and avoidance
- QoS models and mechanisms
- Traffic classification and marking
- Queuing techniques and bandwidth management
Topic 3: Signaling and Call Control- Dial plans and call routing
- SIP, H.323, and MGCP protocols
- Gateways and gatekeepers
Topic 4: VoIP Fundamentals- Voice traffic signaling basics
- Voice codecs and compression techniques
- Voice over IP architecture and components
Topic 5: Troubleshooting and Operations- Voice and QoS troubleshooting methodologies
- Common VoIP deployment issues

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

1. Which media resource requires hardware digital signal processors?

A) music on hold
B) conference bridge
C) annunciator
D) transcoding


2. When configuring a new Cisco 7965 SCCP phone in Cisco Unified Communications Manager Express, which load file needs to be included under telephony-service?

A) cnu45.8-4-0-79.sbn
B) cvm45sccp.8-4-0-79.sbn
C) apps45.9-0-2ES2.sbn
D) dsp45.8-4-0-79.sbn
E) jar45sccp.8-4-0-79.sbn
F) term45.default.loads
G) dsp45.8-4-0-79.sbn.
H) term65.default.loads
I) SCCP45.9-0-2SR1S.loads


3. What are two characteristics of a Cisco Unified Border Element? (Choose two.)

A) It is referred to in the industry as a "session border controller."
B) It can be an FXS port.
C) It facilitates easy and cost-effective connectivity between independent VoIP service provider networks.
D) It can be an IP phone in the network.


4. Assuming no cRTP or header compression. How many VoIP G.729 calls can be made simultaneously over a 128-kb/s Frame Relay circuit (Layer 3) if 50 percent of the circuit is dedicated to voice and 50 percent is dedicated to data?

A) 2
B) 3
C) 4
D) 5
E) 1


5. In which situation would an administrator configure telephony services, but not configure any individual ephones?

A) Phones that are controlled by Cisco Unified Communications Manager Express
B) Cisco Unified Communications Manager SRST fallback
C) Cisco Unified Communications Manager Express with HSRP
D) Remotely located phones that are controlled by a third-party PBX
E) This is not a valid scenario. Ephones are always required.


Solutions:

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

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