Latest CCNP 642-637 Real Exam Download 81-90

Ensurepass

QUESTION 81 DRAG DROP

Assume a SIP voice network. Drag each characteristic to the type of SIP call setup the characteristics best describes.

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Answer:

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QUESTION 82 DRAG DROPclip_image006

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Answer:

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QUESTION 83 DRAG DROP

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Answer:

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QUESTION 84 DRAG DROP

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Answer:

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QUESTION 85

In the destination patterns, which wildcard symbol indicates a single-digit placeholder?

 

A.      ()

B.      +

C.      . (period)

D.      %

 

Answer: C

 

 

QUESTION 86

Which voice feature operates the same as a firewall on a data network?

 

A.      digit manipulation

B.      call coverage

C.      calling privileges

D.      call routing and path selection

 

Answer: C

 

 

QUESTION 87

Which three call permissions are assigned with the Employee calling privileges? (Choose three.)

 

A.      long distance

B.      international

C.      911 (emergency)

D.      local

 

Answer: A,C,D

 

 

QUESTION 88

How many bits are added to a secure Real-Time Transport Protocol packet from the 160-bit SHA-1 hash?

 

A.      160

B.      32

C.      64

D.      128

 

Answer: B

 

 

QUESTION 89

Which traditional telephony protocol was used as a basis for the H.323 suite of protocols?

 

A.      Q.921

B.      Q.931

C.      SS7

D.      SCCP

 

Answer: B

 

 

QUESTION 90

Which component in the Media Gateway Control Protocol environment is responsible for controlling the operation of the gateways?

 

A.      gatekeeper

B.      gate master

C.      call agent

D.      calling authority

 

Answer: C

 

 

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