What is the network address format for a Class B address?

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Multiple Choice

What is the network address format for a Class B address?

Explanation:
For Class B, the network portion uses the first two octets and the host portion uses the last two octets. So the network address format is network.network.host.host. This aligns with a default subnet mask of 255.255.0.0, where the first two octets identify the network and the remaining two identify the host within that network. For example, with an address like 172.16.45.3 and a 255.255.0.0 mask, the network part is 172.16 and the host part is 45.3, yielding a network address of 172.16.0.0 and a broadcast address of 172.16.255.255. Other arrangements mix the network and host portions in positions that don’t match Class B addressing, so they don’t reflect how Class B networks are structured.

For Class B, the network portion uses the first two octets and the host portion uses the last two octets. So the network address format is network.network.host.host. This aligns with a default subnet mask of 255.255.0.0, where the first two octets identify the network and the remaining two identify the host within that network.

For example, with an address like 172.16.45.3 and a 255.255.0.0 mask, the network part is 172.16 and the host part is 45.3, yielding a network address of 172.16.0.0 and a broadcast address of 172.16.255.255.

Other arrangements mix the network and host portions in positions that don’t match Class B addressing, so they don’t reflect how Class B networks are structured.

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