COMPUTER NETWORKING

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TRANSPORT LAYER

TRANSMISSION CONTROL PROTOCOL TCP

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The protocol(s) used at the Transport layer is ____
A
User Datagram Protocol (UDP)
B
Transmission Control Protocol (TCP)
C
Both are transport layer protocols
D
None of the above
Explanation: 

Detailed explanation-1: -The two most important protocols in the Transport Layer are Transmission Control Protocol (TCP) and User Datagram Protocol (UDP).

Detailed explanation-2: -Which of the following are transport layer protocols used in networking? Explanation: Both TCP and UDP are transport layer protocol in networking.

Detailed explanation-3: -UDP and TCP are the two Transport Layer protocols used in TCP/IP networks. Both protocols run on top of IP, which is an unreliable system. TCP itself is a reliable protocol, while UDP is an unreliable protocol. Port numbers are needed for data to be sent to the appropriate final destination.

Detailed explanation-4: -Layer 4 of the OSI Model: Transport Layer provides transparent transfer of data between end users, providing reliable data transfer services to the upper layers.

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