LAN Switching and Wireless

181. An IPv6 address can have up to _________ hexadecimal digits.

1. 16
2. 32
3. 8
4. none of the above

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182. An IPv6 address consists of _________ bytes (octets);

1. 4
2. 8
3. 16
4. none of the above

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183. An IPv6 address is _________ bits long.

1. 32
2. 64
3. 128
4. none of the above

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184. An organization is granted a block of classless addresses with the starting address 199.34.32.0/27. How many addresses are granted?

1. 8
2. 16
3. 32
4. none of the above

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185. An organization is granted a block of classless addresses with the starting address 199.34.76.128/29. How many addresses are granted?

1. 8
2. 16
3. 32
4. none of the above

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186. An organization is granted a block of classless addresses with the starting address 199.34.76.64/28. How many addresses are granted?

1. 8
2. 16
3. 32
4. none of the above

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187. An organization is granted a block; one address is 2.2.2.64/20. The organization needs 10 subnets. What is the subnet prefix length?

1. /20
2. /24
3. /25
4. none of the above

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188. An organization is granted a block; one address is 2.2.2.64/25. If the subnet prefix length is /28, what is the maximum number of subnets?

1. 2
2. 4
3. 8
4. none of the above

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189. An STS multiplexer is a _________ device.

1. one-layer
2. two-layer
3. three-layer
4. four-layer

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190. An STS-1 frame is made _________columns

1. 1
2. 9
3. 90
4. none of the above

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