Transport Layer: The Second Layer of the TCP/IP Model

This is a computer science engineering quiz on computer networks, which includes questions on the transport layer i.e, an end-to-end layer used to deliver messages to a host.

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Which of the following is false with respect to TCP?

Connection-oriented Process-to-process Transport layer protocol Unreliable

In TCP, sending and receiving data is done as _______

Stream of bytes Sequence of characters Lines of data Packets

TCP process may not write and read data at the same speed. So we need __________ for storage.

Packets Buffers Segments Stacks

TCP groups a number of bytes together into a packet called _______

Packet Buffer Segment Stack

Communication offered by TCP is ________

Full-duplex Half-duplex Semi-duplex Byte by byte

To achieve reliable transport in TCP, ___________ is used to check the safe and sound arrival of data.

Packet Buffer Segment Acknowledgment

In segment header, sequence number and acknowledgement number fields refer to _______

Byte number Buffer number Segment number Acknowledgment

Suppose a TCP connection is transferring a file of 1000 bytes. The first byte is numbered 10001. What is the sequence number of the segment if all data is sent in only one segment?

10000 10001 12001 11001

Bytes of data being transferred in each connection are numbered by TCP. These numbers start with a _________

Fixed number Random sequence of 0’s and 1’s One Sequence of zero’s and one’s

A data communications system has:

4 components 5 components 6 components 7 components

00 represents a pixel that pixel is known as :

Black pixel Light gray White pixel Dark gray pixel

Select correct type of line configuration:

Multi-point Single point Link Dedicated point

The value of acknowledgement field in a segment defines _______

Sequence number of the byte received previously

Total number of bytes to receive