The default subnet mask for a class B network can be

2017

The default subnet mask for a class B network can be

Answer: D. 255.255.0.0 — The default subnet mask for a Class B network is 255.255.0.0. This mask allocates the first two octets for the network portion and the last two octets for…

  1. A.

    255.255.255.0

  2. B.

    255.0.0.0

  3. C.

    255.255.192.0

  4. D.

    255.255.0.0

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Correct answer: D

The default subnet mask for a Class B network is 255.255.0.0. This mask allocates the first two octets for the network portion and the last two octets for host addresses, corresponding to a /16 prefix length.

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