(a) What is the subnet mask of 10.2.1.3/26 and What is the usable number of IP address on network that has a 26 mask? (b) Distinguish between TCP…

(a) What is the subnet mask of 10.2.1.3/26 and What is the usable number of IP address on network that has a 26 mask?

(b) Distinguish between TCP and UDP protocols.

(c) What is purpose of routers? How congestion control works in the TCP?

From the BPSC Assistant Programmer (CSE) December 2021 – Written exam, question 2 of 25.

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