Cisco Systems 2 manual What is the bandwidth capacity of an Isdn B channel?, Answer B Explanation

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Incorrect Answers:

D is incorrect; the encapsulation type must be done on the physical interface.

Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 428-429.

Q. 95

What is the bandwidth capacity of an ISDN B channel?

A.16 Kbps

B.64 Kbps

C.128 Kbps

D.512 Kbps

E.1.54 Mbps

Answer: B

Explanation:

The Bearer (B) channel transfer rate is 64 kbps.

Incorrect Answers:

A is incorrect; is the Delta (D) channel that has a transfer rate of 16 kbps.

C, D and E are incorrect; the ISDN B channel only operates at a maximum of 64 kbps.

Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 387-388.

Q. 96

Which command should you use to create an IP standard access list?

A.Access-list standard 172.16.4.13

B.Access-list 1 deny 172.16.4.13 0.0.0.0

C.Access-list 100 deny 172.16.4.13 0.0.0.0

D.Access-list 198 deny 172.16.4.13 255.255.255.255

Answer: B

Explanation: A standard access list is in the range of 1-99 and the proper command syntax is access-list {access-list number} {permit or deny} {test conditions}. In this case the test condition is an ip address.

Incorrect Answers:

A is incorrect; the access command must contain a number and whether the action is to be permitted or denied. C is incorrect; 100 is an extended access-list number and not a standard number.

D is incorrect; 198 is also an extended access-list number and not a standard number.

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