pass4sure ccvp 642-432 v2.83

CCVP Cisco Voice Over IP : 642-432 Exam

Exam Number/Code: 642-432
Exam Name: CCVP Cisco Voice Over IP
VUE Code: 642-432
Questions Type: Single choice, Multiple choice, Simulate,
Question Numbers of Real-exam: 55 – 65 questions
Exam Language(s): English

“CCVP Cisco Voice Over IP”, also known as 642-432 exam, is a Cisco certification.
Preparing for the 642-432 exam? Searching 642-432 Test Questions, 642-432 Practice Exam, 642-432 Dumps?

With the complete collection of questions and answers, Pass4sure has assembled to take you through 72 Q&As to your 642-432 Exam preparation. In the 642-432 exam resources, you will cover every field and category in CCVP helping to ready you for your successful Cisco Certification.

The Cisco Voice over IP 642-432 CVOICE exam is associated with the CCVP, Cisco IP Communication Support Specialist, and Cisco Rich Media Communications Specialist certifications. Candidates can prepare for this exam by taking the Cisco Voice Over IP (CVOICE) course. This exam assesses a candidate’s knowledge of how to implement and support data and voice integration solutions at the network-access level. Topics covered include basic IP Telephony operation, router configuration, support, troubleshooting, and integration with an existing PSTN network.
642-432 CVOICE
Cisco Voice Over IP Exam
Last day to test 7/26/08
Exam Number: 642-432
Associated Certifications: CCVP, Cisco IP Communications Support Specialist, and Cisco Rich Media Communications Specialist
Duration: 75 minutes (55 – 65 questions)
Available Languages: English
Click Here to Register: Pearson VUE
Exam Policies: Read current policies and requirements
Exam Tutorial: Review type of exam questions

Exam Description Exam Topics Recommended Training Additional Resources
Exam Description

The following information provides 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. In order to better reflect the contents of the exam and for clarity purposes the guidelines below may change at any time without notice.
Describe the similarities and differences between PSTN and VoIP including call transport, call signalling and bandwidth requirements

* Identify PSTN characteristics, transport
* Explain TDM and statistical multiplexing as it relates to telephony
* Identify VOIP characteristics, transport
* Compare operation of PSTN call signalling to VoIP call signalling

Configure a router so that a basic IP Telephony call can be completed

* Configure dial-peer settings for VoIP or POTs
* Configure POTs ports (FXS and FXO)
* Configure E&M
* Explain default dial-peer
* Explain matching inbound/outbound dial peers
* Configure hunt groups
* Explain digit collection, consumptions and manipulations
* Configure gateway/gatekeeper
* Configure call signalling

Troubleshoot a basic IP telephony configuration

* Use show/debug commands to troubleshoot invalid dial-peer configurations
* Use show/debug commands to troubleshoot invalid port configuration and operation
* Use show/debug commands to troubleshoot invalid signalling configuration
* Use show/debug commands to troubleshoot invalid hunt-group configurations
* Use show/debug commands to troubleshoot invalid digit manipulation

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Successfully integrate a basic IP telephony network into the existing PSTN network

* Explain port requirements for connection to a PBX
* Explain signalling requirements for connection to a PBX
* Choose correct connection type between PBX and VoIP networks
* Compare and contrast a traditional dial plan to a VoIP Dial Plan
* Identify telephony infrastructure terms (ie. LEC, CLEC, RBOC, ILEC, IXC)

Converse with traditional TDM support personnel using their terminology

* Identify TDM signaling
* Identify port and line types
* Identify addressing signalling

Describe the basic operation and components involved in a VoIP call

* Explain RTP, RTCP, cRTP
* Explain H323
* Explain MGCP
* Explain SIP
* Explain E&M
* Describe the process of analog to digital conversion
* Describe the process of compounding and compressing
* Explain the process of packetization (frames, codec types)
* Choose the appropriate codec for a given situation
* Explain the function/operation/purpose of call-legs
* Explain voice quality considerations
* Explain the purpose and value of QoS

Successfully connect a basic VoIP net to the PSTN

* Choose the correct gateway connection to the PSTN
* Determine proper signalling options
* Describe digit manipulation
* Explain E164 addressing

QUESTION 33
Which preference key word assigns top precedence to a dial peer in a hunt-group?
A. 0
B. priority
C. 1
D. high
Answer: A
QUESTION 34
What are two basic parameters needed to setup a dial peer connected to the PSTN?
(Choose two)
A. voice port
B. signaling type
C. interface bandwidth
D. destination pattern
Answer: A, D
Explanation:
Depending on the call leg, a call is routed using one of the two types of dial peers:
POTS-Dial peer that defines the characteristics of a traditional telephony network
connection. POTS dial peers map a dialed string to a specific voice port on the local
router, normally the voice port connecting the router to the local PSTN, PBX, or
telephone.
Voice-network-Dial peer that defines the characteristics of a packet network connection.
Voice-network dial peers map a dialed string to a remote network device, such as the
destination router that is connected to the remote telephony device.
The following examples show basic configurations for POTS and VoIP dial peers:
dial-peervoice 1 potsdestination-pattern555….port1/0:1dial-peervoice 2 voip
destination-pattern 555….session target ipv4:192.168.1.1
QUESTION 35
Users are complaining that they are unable to complete a call from 678-555-1212 to
770-555-1111 from Router 1 to Router 2.
Select the correct answer to resolve the problem.
A. Incorrect dial-peer statement in Router 1.
B. Incorrect port statement in Router 1 pots dial peer.
C. Incorrect session-target statement in Router 2.
D. Incorrect destination-pattern in Router 1.
Answer: B

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