$3($a$)($i$).$A process of Server $1$ is trying to transfer data to another process of Server

$2.$Illustrate the three phase connection management used to initiate and complete the

process to process communication between the users with neat diagrams.

$($ii$).$ In a TCP connection, the size of congestion window Cwnd $=3000$ and the size of

receiver window Rwnd $=3500.$ The host has sent $1500$ bytes which has not been

acknowledge. How many more bytes can be sent?

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OR

$($b$)($i$).$Elaborate the SSL protocol architecture used for security in networking

applications?

$($ii$).$Explain two methods used by DNS resolver for mapping taking suitable example.