Q. Find the number of addresses in a block of classless addresses if one of the addresses is 12.2.2.7/30.

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Q. What is the last address of a block of classless addresses if one of the addresses is 12.2.2.127/28?

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Q. What is the last address of a block of classless addresses if one of the addresses is 12.2.2.6/30?

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Q. 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?

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Q. 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?

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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?

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

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Q. What is the default mask for class A in CIDR notation?

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Q. What is the default mask for class B in CIDR notation?

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Q. What is the default mask for class C in CIDR notation?

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Q. In classless addressing, the ______ is another name for the common part of the address range.

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Q. In classless addressing, the _______ is the varying part (similar to the hostid).

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Q. In classless addressing, the prefix length defines the _____________.

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

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

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

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Q. An IPv6 address is _________ bits long.

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Q. An IPv6 address consists of ________ bytes (octets).

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Q. A best-effort delivery service such as IPv4 includes _______.

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Q. In IPv4 header, an HLEN value of decimal 10 means _______.

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