Cisco Systems 2 manual What is a key use of a device hardware address?, Answer B

640 - 607

Incorrect Answers:

B:Incorrect because there is no configuration to startup.

C, D, E: Incorrect because there is no longer a configuration to run, these modes do not exist.

Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 84-90 and 134.

Q. 128

What is a key use of a device hardware address?

A.To obtain a vendor code/serial number from the user.

B.To transmit a frame from one interface to another interface.

C.To transmit a packet from one local device to another local device.

D.To transmit data from one local device to remote device across Internet.

E.To contain logical information about a device to use an end-to-end transmission.

Answer: B

Explanation: A hardware address is used to transmit frames on the hardware level.

Incorrect Answers:

A is incorrect; a vendor code/serial number is a form of hardware address, and the user does not provide it. C is incorrect; packets and devices are at a higher level in the layers.

D is incorrect; devices are handled at a higher layer, and use different addressing.

E is incorrect; a logical device with end-to-end may span more than two hardware interfaces; device addresses are used from interface to interface, or hop-to-hop.

Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 172-175.

Q. 129

Which command verifies encapsulation as well as layer 1 and layer 2 statistics on a router configured for Frame Relay?

A.show IP

B.show interface

C.show statistics

D.show frame-relay

Answer: B

Explanation: The show interface command will show information regarding the encapsulation and Layer 1 and Layer 2 status. It also displays information about the DLCIs used on the Frame Relay configured serial interface.

Leading the way in IT testing and certification tools, www.testking.com

- 81 -