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Testking CCVP 642-436

Cisco Voice over IP

Exam Number: 642-436
Associated Certifications: CCVP
Duration: 75 minutes (60 – 70 questions)
Available Languages: English
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QUESTION 1
When setting up a VoIP call, what is the first thing a gateway router tries to match to a dialed number?

A. session target
B. call leg
C. destination pattern
D. IP route

Answer: C

QUESTION 2
In North America, which E&M signaling type is used most often for geographically separated equipment?

A. Type III B. Type II C. Type V D. Type I E. Type IV

Answer: B

QUESTION 3
When using CUBE, which two statements describe how media flow-through differs from media flow-around? (Choose two.)

A. Media flow-through terminates the signaling channel and the RTP streams flow directly between endpoints.
B. Media flow-through terminates the RTP streams but allows signaling to flow directly between endpoints.
C. Media flow-around and media flow-through function in a similar manner, but media flow-around supports NAT traversal.
D. Media flow-around provides address hiding by terminating both signaling and RTP
streams.
E. Media flow-through provides address hiding by terminating both signaling and RTP
streams.
F. Media flow-around terminates the signaling stream and allows RTP streams to flow directly between endpoints.

Answer: E,F

QUESTION 4
Which two are types of Call Admission Control? (Choose two.)

642-436

A. gateway zone bandwidth
B. topology-based
C. resource-based
D. gatekeeper-controlled RSVP E. local
F. QoS-based

Answer: C,E

QUESTION 5
Site A uses three-digit internal numbers and remote Site B uses four-digit internal numbers. All calls to the PSTN are routed through Site B. What dial plan below best represents provision simplicity, assuming the NANP numbering plan?

A. Translate all called numbers within Site A to four digits. B. Translate all called numbers within Site B to three digits.
C. Translate all called numbers at either site to ten digits.
D. Translate all called numbers leaving Site A to ten digits. Answer: D
QUESTION 6
Which three are supervisory signals? (Choose three.)

A. call waiting
B. on hook
C. ring
D. busy
E. off hook

Answer: B,C,E

QUESTION 7
Which command parameter specifies that the router should not attempt to initiate a trunk connection but should wait for an incoming call before establishing the trunk?

A. connection trunk answer-mode 408555
B. connection trunk 408555….
C. connection-trunk 404555…. answer-mode
D. ds0-group timeslots 1-23 type ext-sig
E. voice-port 1/0:1

Answer: C

QUESTION 8
What does a gatekeeper do when it matches a technology prefix?

642-436

A. strips off the zone prefix and forwards the technology prefix to the remote gatekeeper
B. strips off the technology prefix and sends the matching zone prefix to the remote gatekeeper
C. sends both the technology prefix and zone prefix to the remote gatekeeper
D. strips off both the technology prefix and zone prefix and forwards the remaining destination number

Answer: C

QUESTION 9
At what point does the MGCP call agent release the setup of the call path to the residential gateways?

A. after the call agent has forwarded session description protocol information to the destination from the source and has sent a modify connection to the destination and a create-connection request to the source
B. after the call agent has been notified of an event and has instructed the source residential gateway to create a connection
C. does not release call path setup
D. after the call agent has been notified that an event occurred at the source residential gateway
E. after the call agent has sent a connection request to both the source and destination and has relayed a modify-connection request to the source so that the source and destination
can set up the call path

Answer: E

QUESTION 10
What is the best description of an MGCP endpoint?

A. the gatekeepers in a VoIP network
B. IP phones
C. any analog telephony device (PBX, switch, etc.)
D. the interconnection between packet and traditional telephone networks

Answer: D

QUESTION 11
Using Cisco Unified Communications Manager Express, what four steps are necessary to implement COR? (Choose four.)

A. Define COR labels.
B. Configure COR lists on voice ports.
C. Configure dial peers and assign COR lists. D. Assign COR list to ephone-DN.
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Updated : 08/15/2008
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