Cisco 642-432 Exam : Cisco Voice Over IP

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Cisco 642-432 Exam Syllabus Topics:

Cisco Voice Over IP Sample Questions:

Question 1

You are working with a potential customer that would like to integrate its existing PBX telephone system into its IP network. The accompanying figure shows that the customer has two offices that need to be connected to the IP network so that the customer can exchange telephone calls without using the PSTN. Both PBXs use an in-band signaling type.
Which signaling type will allow you to support your customer?

A. CCS
B. FXO
C. E&M
D. T-CCS
E. QSIG
F. CAS

Question 2

You are working with a potential customer that would like to integrate its existing PBX telephone system into its IP network. The accompanying figure shows that the customer has two offices that need to be connected to the IP network so that the customer can exchange telephone calls without using the PSTN. Both PBXs use Wink-Start signaling.
Which signaling type will allow you to support the customer?

A. CCS
B. FXO
C. E&M
D. T-CCS
E. QSIG
F. CAS

Question 3

A particular set of H.323 endpoints cannot resolve the IP address of destination endpoints. What is the H.323 approved method to fix this problem?

A. Choose another signaling protocol.
B. Introduce a gatekeeper on the segment.
C. Hard code all IP addresses.
D. Build route tables in gateways on the segment.

Question 4

What is the E.164 numbering plan?

A. the ITU worldwide number plan
B. the European PBX standard telephony number plan
C. the IETF North American number plan
D. a proprietary PBX number plan

Question 5

Refer to the exhibit. Your customer wants to converge the existing PBX network with the IP network. The three remote offices have various types of PBXs. The customer is using a combination of tie-lines and trunks to connect the PBXs today.
What kind of connection should be implemented to allow a two-way permanent connection between R1 and R4?

A. answer-mode
B. trunk
C. tie-line
D. PLAR

Solutions: