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Q.

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

A

8

B

16

C

32

D

none of the above

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

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255.255.255.0

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D

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Identify the class of the following IPv4 address: 4.5.6.7.

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A

B

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