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.

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相关考题

单项选择题

Given the IP address range 192.168.100.0 through 192.168.100.255, which network mask segments these addresses into 16 subnets?（）

A.255.255.255.224
B.255.255.255.240
C.255.255.255.248
D.255.255.255.252

单项选择题

Given the host IP address of 192.168.100.60 and a network mask of 255.255.255.224 (or /27), which address represents the correct network address for the referenced host?（）

A.192.168.100.48
B.192.168.100.16
C.192.168.100.0
D.192.168.100.32

多项选择题

Which two fields are found in an Ethernet frame?（）

A.Version
B.TTL
C.Checksum
D.Flags
E.Data