Previous year question paper for NP (B-TECH information technology 6th)

OSI model, client server model, TCP/IP protocols, Introduction to Unix; Process, groups, job control

and non-job control shells, reliable and unreliable signals, shell Programming.

Inter process communication in Unix, pipes, half duplex and full duplex pipes, FIFOs, properties of

pipes and FIFOs, POSIX message queues, system V message queues, semaphores, shared memory,

mmap function and its use, RPC, authentication, timeout and retransmission, call semantics, XDR.

Communication Protocol – Introduction, TCP, IP, XNS, SNA, NetBIOS, OSI protocols, comparisons.

Introduction to Berkeley sockets, socket addressing, TCP and UDP socket functions, sockets and Unix

signals, socket implementation, client and server examples for TCP and UDP and their behavior under

abnormal conditions.

Socket options, IPv4, IPv6, TCP, I/O multiplexing, Unix I/O models, select and poll functions

System V Transport Layer, interface – Introduction Transport End Point address, TLI.