Networking – Section 8

1. A devices that links two homogeneous packet-broadcast local networks, is

A. gateway
B. repeater
C. bridge
D. hub
E. None of the above

Correct Answer: C. bridge

2. A computer that handles resource sharing and network management in a local area network. Select the best fit for answer:

A. Network Server
B. Virtual Private Network
C. Network operating system

Correct Answer: A. Network Server

3. Repeaters are often used on an 802.3 network to help strengthen the signals being transmitted. As with the length of segments and the number of segments, a limit exists as to how many repeaters can be used between any two nodes. What is the maximum number of repeaters that can be used?

A. Five
B. Two
C. Four
D. Six
E. Three

Correct Answer: C. Four

4. How much power (roughly) a light-emitting diode can couple into an optical fiber?

A. 100 microwatts
B. 440 microwatts
C. 100 picowatts
D. 10 milliwatts
E. None of the above

Correct Answer: A. 100 microwatts

5. A modem that is attached to the telephone system by jamming the phone’s handset into two flexible receptacles in the coupler?

A. gateway
B. bridge
C. acoustic coupler
D. time-division multiplexer
E. None of the above

Correct Answer: C. acoustic coupler

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