640 - 607
Leading the way in IT testing and certification tools, www.testking.com
- 81 -
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.