單項選擇題

What is the purpose of a network mask?（）

A. It is used in conjunction with the wildcard mask to determine the number of hosts on a network
B. It is used to define which parts of the IP address are allocated to host addresses and network prefixes
C. It is used to hide subnets from external networks by masking the subnets with NAT
D. It is used to differentiate a network as a classful network or a classless network

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單項選擇題

What is the purpose of a network mask?（）

A. It is used to identify the maximum hop count of a subnetwork.
B. It is used to identify an IP address as either private or public.
C. It is used to identify the network to which an IP address belongs.
D. It is used to identify the total number of bits present in an IP address.

單項選擇題

Which statement is true regarding an Ethernet collision domain?（）

A. If a router is used, the collision domain includes all devices connected to the router.
B. If a hub is used, the collision domain is limited to each device and the hub.
C. If a switch is used, the collision domain is limited to each device and the switch.
D. If a bridge is used, the collision domain includes all devices connected to the bridge.

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What is the purpose of a network mask?（）

你可能感興趣的試題

What is the purpose of a network mask?（）

Which statement is true regarding an Ethernet collision domain?（）