多项选择题

Which two statements about subnet masks are true?（）……

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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热门试题

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

多项选择题Which three of the following options are NOT fields found in an Ethernet frame?（）

A.Version
B.Type
C.Source Port
D.Flags
E.Data

多项选择题Which two statements are true regarding an Ethernet collision domain?（）

A.The likelihood of collisions occurring increases when a switch is used.
B.The likelihood of collisions occurring increases when a hub is used.
C.If a hub is used, the collision domain is limited to each device and the hub.
D.If a switch is used, the collision domain is limited to each device and the switch.