TRANSPORT LAYER
TRANSMISSION CONTROL PROTOCOL TCP
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following protocols uses both TCP and UDP?
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FTP
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SMTP
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TELNET
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DNS
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Explanation:
Detailed explanation-1: -Application layer protocol DNS uses TCP and UDP both at the transport layer.
Detailed explanation-2: -Which of the following functions is performed by both TCP and UDP? C (Multiplexing using port numbers) . TCP, not UDP, performs windowing, error recovery, and ordered data transfer.
Detailed explanation-3: -The answer is DNS is mostly UDP Port 53, but as time progresses, DNS will rely on TCP Port 53 more heavily.
There is 1 question to complete.