Question 1

A media gateway has to be located in every large city or regional office where VoIP service is provided.

Accepted Answer

A) True 
 B)False

Question 2

The media gateway controller may reside in any location as long as it has Internet connectivity.

Accepted Answer

A) True 
 B)False

Question 3

Dial-tone coming from VoIP service sounds different than traditional dial-tone.

Accepted Answer

A) True 
 B)False

Question 4

The layer 4 and 3 protocols used to carry VoIP across the Internet are:

Accepted Answer

A)  TCP/IP 
B)  UDP/IP 
C)  UDP/IPX 
D)  RTP/IP 
E)  All of the above

Question 5

The customer can keep their existing telephone number when they transfer to VoIP service.

Accepted Answer

A) True 
 B)False

Question 6

When the power goes out VoIP service continues to work.

Accepted Answer

A) True 
 B)False

Question 7

A softphone connects directly to the PC.

Accepted Answer

A) True 
 B)False

Question 8

A SIP Proxy is used to:

Accepted Answer

A)  Interpret and step up calls, tear down calls - all signaling functions related to calls. 
B)  Bill the customer. 
C)  Interrogate the call flow to determine call quality. 
D)  None of the above.

Question 9

The major drawback associated with VoIP service is the lack of E911 capability.

Accepted Answer

A) True 
 B)False

Question 10

The IPCC stands for the ________ ________ ________ ________.

Accepted Answer

The answer of The IPCC stands for the ________ ________...

Question 11

A call between a VoIP end point and a traditional PSTN phone requires a handoff between the ________ network and ________ network.

Accepted Answer

A)  IP to PSTN 
B)  Access to PSTN 
C)  IP to PSTN to IP 
D)  IP to ATM to IP 
E)  None of the above

Exam 11: Distributed Switching Architecture - Voice Over IP

A media gateway has to be located in every large city or regional office where VoIP service is provided.

The media gateway controller may reside in any location as long as it has Internet connectivity.

Dial-tone coming from VoIP service sounds different than traditional dial-tone.

The layer 4 and 3 protocols used to carry VoIP across the Internet are:

The customer can keep their existing telephone number when they transfer to VoIP service.

When the power goes out VoIP service continues to work.

A softphone connects directly to the PC.

A SIP Proxy is used to:

The major drawback associated with VoIP service is the lack of E911 capability.

The IPCC stands for the .

A call between a VoIP end point and a traditional PSTN phone requires a handoff between the network and network.