LAN Switching and Wireless

341. In a __________ handoff, a mobile station can communicate with two base stations at the same time.

1. hard
2. soft
3. medium
4. none of the above

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342. In a __________ handoff, a mobile station only communicates with one base station.

1. hard
2. soft
3. medium
4. none of the above

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343. In a banyan switch, for 8 inputs and 8 outputs, we have _________ microswitches at each stage.

1. 8
2. 4
3. 3
4. 2

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344. In a banyan switch, for 8 inputs and 8 outputs, we have _________ stages.

1. 8
2. 4
3. 3
4. 2

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345. In a block, the mask is 255.255.192.0; what is the prefix length?

1. /20
2. /28
3. /18
4. none of the above

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346. In a block, the prefix length is /15; what is the mask?

1. 255.254.0.0
2. 255.255.255.0
3. 255.255.255.128
4. none of the above

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347. In a block, the prefix length is /24; what is the mask?

1. 255.255.255.0
2. 255.255.242.0
3. 255.255.0.0
4. none of the above

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348. In a bridged LAN, the _________ algorithm creates a topology in which each LAN can be reached from any other LAN through one path only.

1. spanning tree
2. binary tree
3. unary tree
4. none of the above

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349. In a fiber-optic cable, the signal is propagated along the inner core by _________.

1. reflection
2. refraction
3. modulation
4. none of the above

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350. In a frequency-domain plot, the horizontal axis measures the _________.

1. peak amplitude
2. frequency
3. phase
4. slope

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