Q51) Transport layer aggregates data from different applications into a single stream before passing it to:

A. network layer

B. data link layer

C. application layer

D. physical layer

Answer : A

Q52) Which one of the following is a transport layer protocol used in internet?

A. TCP

B. UDP

C. both (a) and (b)

D. none of the mentioned 

Answer : C

Q53) User datagram protocol is called connectionless because:

A. all UDP packets are treated independently by transport layer

B. it sends data as a stream of related packets

C. both (a) and (b)

D. none of the mentioned 

Answer : A

Q54) Transmission control protocol is:

A. connection oriented protocol

B. uses a three way handshake to establish a connection

C. recievs data from application as a single stream

D. all of the mentioned  

Answer : D

Q55) An endpoint of an inter-process communication flow across a computer network is called:

A. socket

B. pipe

C. port

D. none of the mentioned  

Answer : A

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