642-443 IP Telephony Exam (CPIT) Practice Test

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642-443 IP Telephony Exam (CPIT)

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Demo Question 3.

Which network protocols does an IP Phone use to communicate?

A. TCP/IP for both skinny signaling and RTP voice streams.
B. UDP/IP for both skinny signaling and RTP voice streams.
C. TCP/IP for skinny signaling and UDP/IP for RTP voice streams.
D. UDP/IP for skinny signaling and TCP/IP for RTP voice streams.

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Answer: C

Explanation:

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