试题详情
- 多项选择题Which two statements about subnet masks are true?（）
A、If a bit is turned on (1), the corresponding bit in the IP address is used for the host portion.
B、If a bit is turned off (0), the corresponding bit in the IP address is used for the host portion.
C、If a bit is turned on (1), the corresponding bit in the IP address is used for the network prefix.
D、If a bit is turned off (0), the corresponding bit in the IP address is used for the network prefix.
- B,C
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