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Cisco Voice Over IP Sample Questions:

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

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

2. Which three are supervisory signals? (Choose three.)

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

3. Which statement is true about VoIP packet loss?

A) Lost packets are simply retransmitted.
B) Even minimal packet loss causes echo.
C) Codec algorithms can overcome minimal packet loss.
D) IP phones can reconstruct up to three consecutive lost packets.

4. Refer to the exhibit. Will these delays meet the G.114 recommendation for one-way delay?

A) No, they will not meet the recommendation for general network purposes.
B) No, but they will be acceptable for time-sensitive transaction processing.
C) Yes, they will meet the recommendation, provided the administrators understand the implications.
D) Yes, they will meet the recommendation for most user applications.

5. Your customer has forwarded this diagram and configuration. The customer wishes to have a connection between its PBXs, a connection that is created and dropped as required. There is one configuration statement missing from each router. What are the two missing statements? (Choose two.)

A) connection trunk
B) connection trunk 4045551200
C) connection tie-line 404555?
D) connection tie-line 2015551000
E) connection tie-line 4045551200
F) connection trunk 2015551000404555?

Solutions: