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Exam: 642-437

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Vendor Cisco
Certification CCNA Voice
Exam Code 642-437
Exam Title Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0)
No. of Questions 207
Last Updated 10/03/2014
Product Type Q & A with Explanation
Question & Answers Download
Prep. Lab Download
Study Guide Download
Audio Download
Video Download
Test Engine Download
Price $50 - Unlimited life time access Immediate access to 642-437 & 4000+ more exam training tools included in this package
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Exams Description

642-437 CVOICE
Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0)

Exam Number 642-437 CVOICE
Associated Certifications CCNP Voice
Cisco Rich Media Communications Specialist
Duration 90 minutes (60 - 70 questions)
Available Languages English, Japanese

The Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) 642-437 is the exam associated with the CCNP Voice certification. This exam tests a candidate's knowledge of how to implement and operate gateways, gatekeepers, Cisco Unified Border Element, Cisco Unified Communications Manager Express and QoS in a voice network architecture. Candidates can prepare for this exam by taking the CVOICE v8.0 Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) 642-437 course.

Exam Topics
The following topics are general guidelines for the content likely to be included on the exam. However, other related topics may also appear on any specific delivery of the exam.

Describe a dial plan
Describe a numbering plan
Describe digit manipulation
Describe path selection
Describe calling privileges

Describe the basic operation and components involved in a VoIP call
Describe VoIP call flows
Describe RTP, RTCP, cRTP, and sRTP
Describe H.323
Describe MGCP
Describe Skinny Call Control Protocol
Describe SIP
Identify the appropriate gateway signaling protocol for a given scenario
Choose the appropriate codec for a given scenario
Describe and Configure VLANs

Implement Cisco Unified Communications Manager Express to support endpoints using CLI
Describe the appropriate software components needed to support endpoints
Configure DHCP, NTP and TFTP
Describe the differences between the different types of ephones and ephone-dns
Configure Cisco Unified Communications Manager Express endpoints

Describe the components of a gateway
Describe the function of gateways
Describe DSP functionality
Describe the different types of voice ports and their usage
Describe dial peers and the gateway call routing process
Describe codecs and codec complexity

Implement a gateway
Configure analog voice ports
Configure digital voice ports
Configure dial-peers
Configure digit manipulation
Configure calling privileges
Verify dial-plan implementation
Implement fax support on a gateway

Implement Cisco Unified Border Element
Describe the Cisco Unified Border Element features and functionality
Configure Cisco Unified Border Element to provide address hiding
Configure Cisco Unified Border Element to provide protocol and media interworking
Configure Cisco Unified Border Element to provide call admission control
Verify Cisco Unified Border Element configuration and operation

Describe the need to implement QoS for voice and video
Describe causes of voice and video quality issues
Describe how to resolve voice and video quality issues
Describe QoS requirements for voice and video traffic

Describe and configure the DiffServ QoS model
Describe the DiffServ QoS model
Describe marking based on CoS, DSCP, and IP Precedence
Configure layer 2 to layer 3 QoS mapping
Describe trust boundaries
Configure trust boundary on Cisco switches
Describe the operations of the QoS classifications and marking mechanisms
Describe Low Latency Queuing
Describe the operations of the QoS WAN Link Efficiency mechanisms
Enable QoS mechanisms on switches using AutoQoS
Configure Low Latency Queuing
 



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