LAN Switching and Wireless

251. How many carrier frequencies are used in BPSK?

  1. 2
  2. 1
  3. 0
  4. none of the above

Correct answer: (B)
1

252. How many carrier frequencies are used in QPSK?

  1. 2
  2. 1
  3. 0
  4. none of the above

Correct answer: (A)
2

253. ICMPv6 includes _________.

  1. IGMP
  2. ARP
  3. RARP
  4. a and b

Correct answer: (D)
a and b

254. Identify the class of the following IPv4 address: 191.1.2.3.

  1. A
  2. B
  3. C
  4. none of the above

Correct answer: (B)
B

255. Identify the class of the following IPv4 address: 229.1.2.3.

  1. A
  2. B
  3. D
  4. none of the above

Correct answer: (C)
D

256. Identify the class of the following IPv4 address: 4.5.6.7.

  1. A
  2. B
  3. C
  4. none of the above

Correct answer: (A)
A

257. IEEE 802.11a, has a data rate of _________Mbps.

  1. 1
  2. 2
  3. 6
  4. none of the above

Correct answer: (C)
6

258. IEEE 802.11b, has a data rate of _________ Mbps.

  1. 1
  2. 2
  3. 5.5
  4. none of the above

Correct answer: (C)
5.5

259. IEEE 802.11g, has a data rate of _________ Mbps.

  1. 1
  2. 2
  3. 11
  4. 22

Correct answer: (D)
22

260. IEEE 802.1d specification, defines _________ criteria for a transparent bridges.

  1. two
  2. three
  3. four
  4. none of the above

Correct answer: (B)
three

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