CCNA Voice Practice Tests – PSTN and Service Provider Networks (21-23) : Lead2pass New Updated Exam Questions : https://www.getfreevce.com

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CCNA Voice Practice Tests – PSTN and Service Provider Networks (21-23)

Topic 4 – PSTN and Service Provider Networks

Question 21
Which two types of dial peers are needed to complete this call end-to-end?
A. serial dial peer
B. parallel dial peer
C. POTS dial peer
D. VoIP dial peer
Answer: C D
Explanation:
This question is to examine the types of dial-peer.
A dial peer, also known as an addressable call endpoint, is a device that can originate or receive a call in a telephone network. In voice over IP (VoIP), addressable call endpoints can be categorized as either voice-network dial peers or POTS (plain old telephone service) dial peers. Voice-network dial peers include VoIP-capable computers, routers, and gateways within a network. POTS dial peers include traditional telephone network devices such as phone sets, cell phones, and fax machines.

Question 22
A call leg is a virtual connection to set up a call whereas a dial peer is a physical connection to complete an end-to-end call.
A.TRUE
B.FALSE
Answer: B
Explanation:
This question is to examine the concepts of call leg and dial-peer.
The term dial peer is sometimes used in reference to a program that matches a specific dialed sequence of digits to an addressable call endpoint. According to this definition, there is one dial peer for each call leg (connection between two addressable call endpoints).

Question 23
The call leg and the dial peers are both logical connections used to complete an end-to-end call.
A.TRUE
B.FALSE
Answer: A
Explanation:
This question is to examine the concepts of call leg and dial-peer.
The term dial peer is sometimes used in reference to a program that matches a specific dialed sequence of digits to an addressable call endpoint. According to this definition, there is one dial peer for each call leg (logical connection between two addressable call endpoints).

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Post date: 2012-04-07 02:59:05
Post date GMT: 2012-04-07 02:59:05
Post modified date: 2013-09-03 03:02:49
Post modified date GMT: 2013-09-03 03:02:49