Transport Layer (OSI Model) Interview/Exam Question-Answer

Q.1 Transport layer aggregates data from different applications into a single stream before passing it to ____________.

       A. network layer

       B. physical layer

       C. data link layer

       D. application layer

Ans : network layer

Q.2 Which of the following are transport layer protocols used in networking?

       A. TCP and FTP

       B. UDP and HTTP

       C. TCP and UDP

       D. HTTP and FTP

Ans : TCP and UDP

Q.3 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. it sends data very quickly

       D. it is received in the same order as sent order

Ans : all UDP packets are treated independently by transport layer

Q.4 Transmission control protocol ___________.

       A. is a connection-oriented protocol

       B. uses a three way handshake to establish a connection

       C. receives data from application as a single stream

       D. all of the above

Ans : all of the above

Q.5 An endpoint of an inter-process communication flow across a computer network is called __________.

       A. Socket

       B. Machine

       C. Port

       D. Pipe

Ans : Socket

Q.6 Socket-style API for windows is called ____________.

       A. wsock

       B. winsock

       C. wins

       D. sockwi

Ans : winsock

Q.7 Which one of the following is a version of UDP with congestion control?

       A. datagram congestion control protocol

       B. stream control transmission protocol

       C. structured stream transport

       D. user congestion control protocol

Ans : datagram congestion control protocol

Q.8 A _____ is a TCP name for a transport service access point.

       A. Port

       B. Pipe

       C. Node

       D. Protocol

Ans : Pipe

Q.9 Transport layer protocols deals with ____________

       A. application to application communication

       B. process to process communication

       C. node to node communication

       D. man to man communication

Ans : process to process communication

Q.10 Which of the following is a transport layer protocol?

       A. stream control transmission protocol

       B. internet control message protocol

       C. neighbor discovery protocol

       D. dynamic host configuration protocol

Ans : stream control transmission protocol

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