The default subnet mask for a class B network can be
2017
The default subnet mask for a class B network can be
- A.
255.255.255.0
- B.
255.0.0.0
- C.
255.255.192.0
- 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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