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Cisco 642-432 Exam Syllabus Topics:

Cisco Voice Over IP Sample Questions:

1. A 9 digit number must be dialed to reach numbers on the PSTN. What process makes sure that the first digit 9 is not transmitted as part of the called number?

A) digit alternating
B) digit seizing
C) digit masking
D) digit manipulation

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

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

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

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

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

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

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

Solutions: