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南昌商学院《ccna四》课程期末考试试卷.doc
南昌商学院《》
1、Which of the following devices can an administrator use to segment their LAN? (Choose all that apply)
A. Hubs B. Repeaters C. Switches D. Bridges
E. Routers F. Media Converters G. All of the above
2、Within the TestKing office, The Sales and Production networks are separated by a router as shown in the diagram below:
of the following statements most accurately describes the characteristics of the above networks broadcast and collision domains? (Select the two best answer choices)
A. There are two broadcast domains in the network.
B. There are four broadcast domains in the network.
C. There are six broadcast domains in the network.
D. There are four collision domains in the network.
E. There are five collision domains in the network.
F. There are seven collision domains in the network.
3、Which of the following are benefits of segmenting a network with a router? (Select all that apply)
A. Broadcasts are not forwarded across the router.
B. All broadcasts are completely eliminated.
C. Adding a router to the network decreases latency.
D. Filtering can occur based on Layer 3 information.
E. Routers are more efficient than switches and will process the data more quickly.
F. None of the above.
4、If a host on a network has the address 4/30, what is the address of the
subnetwork to which this host belongs?
A. B. C.
D. 2 E. 8
5、The subnet mask on the serial interface of a router is expressed in binary asfor the last octet. How do you express the binary numberin decimal?
A. 210 B. 224 C. 240 D. 248 E. 252
6、You have a Class C network, and you need ten subnets. You wish to have as many
addresses available for hosts as possible. Which one of the following subnet masks should you use?
A. 92 B. 24 C. 40
D. 48 E. None of the above
7、Which of the following is an example of a valid unicast host IP address?
A. 55./18 B. 55 C. 9/30
D. FFFF.FFFF.FFFF E. F. All of the above
8、The TestKing netw
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