多项选择题

A.If a switch is used, the collision domain includes al……

Which two statements are true regarding an Ethernet collision domain?（）

A.If a switch is used, the collision domain includes all devices connected to the switch.
B.If a hub is used, the collision domain includes all devices connected to the hub.
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.

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多项选择题Which two statements best describes the role of a router on a broadcast domain?（）

A.Routers facilitate communications within a broadcast domain.
B.Routers facilitate communications between broadcast domains.
C.Routers are used to break up broadcast domains into separate networks.
D.Routers are used to connect small broadcast domains and form larger more efficient broadcast domains

多项选择题Which two statements accurately describe a broadcast domain?（）

A.Broadcast domains consist of devices that connect to a common switch or hub.
B.Broadcast domains consist of a group of devices that can be reached by sending a frame addressed to the Layer 2 broadcast address.
C.Broadcast domains require a gateway device such as a router.
D.Broadcast domains consist of devices that reside on the same sub-network.

单项选择题What represents the decimal equivalence of 10101100 00011111 11001001 11000101? （）

A.172.28.187.189
B.172.31.201.197
C.172.30.231.182
D.172.19.151.107

单项选择题What represents the binary equivalence of96.6.231.148?（）

A.10101000 11001000 10101001 10101001
B.01010000 00010110 11010101 10100110
C.01100000 00000110 11100111 10010100
D.01100100 00100101 11100100 10010111

单项选择题What represents the binary equivalence of 192.168.187.201?（）

A.10101000 11001000 10101001 10101001
B.11000000 10101100 10101011 11000101
C.11000000 10101000 10111011 11001001
D.11000100 10101010 10110011 11001011