TCP Layer Question:

Tell me what is UDP protocol?

TCP Layer Interview Question
TCP Layer Interview Question

Answer:

User Data Protocol is a communication protocol. It is normally used as an alternative for TCP/IP. However there are a number of differences between them. UDP does not divide data into packets. Also, UDP does not send data packets in sequence. Hence, the application program must ensure the sequencing. UDP uses port numbers to distinguish user requests. It also has a checksum capability to verify the data.


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Can you explain what is TCP windowing concept?Do you know what is UDP protocol?