TRANSPORT LAYER
TRANSMISSION CONTROL PROTOCOL TCP
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A port address in TCP/IP is ____ bits long.
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32
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48
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16
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64
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Explanation:
Detailed explanation-1: -A port number is a 16-bit integer ranging from 0 to 65535. A port number uniquely identifies this application to the protocol underlying this TCP/IP host (TCP, UDP, or IP).
Detailed explanation-2: -The TCP port field is 16 bits, allowing port numbers from 0 to 65535. There are two types of ports: reserved and ephemeral. A reserved port is 1023 or lower; ephemeral ports are 1024-65535.
Detailed explanation-3: -A 16-bit port address represented as one single number. The physical addresses change from hop to hop, but the logical and port addresses usually remain the same.
Detailed explanation-4: -A typical port number is 16 bits in size. This address refers to that of the IP protocol of Layer-3.
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