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Cisco Voice Over IP Sample Questions:

1. Refer to the exhibit. What is the minimum WAN bandwidth required to support three simultaneous VoIP calls in this network?

A) 79,200 bps
B) 247,200 bps
C) 19,200 bps
D) 51,600 bps

2. Which device is used to allow an H.323 stream to transit a firewall?

A) MCU
B) gatekeeper
C) gateway
D) proxy

3. What is the best description of an MGCP endpoint?

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

4. What is the function of a SIP location server?

A) routes service requests
B) acquires active endpoint addresses
C) resolves text addresses to IP addresses
D) resolves active endpoint addresses

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.
Which kind of connection should be implemented to allow calls to be placed from 201-5551000 to 727-555-1000 so that when the call is completed, network resources are returned for other uses?

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

Solutions: