Test your technical skills with our 150 computer networks multiple choice questions and answers.
Computer Networks Multiple Choice Questions
The sample 25 questions are listed below.
Question 1:
Which one of the following is a data link protocol?
A) point to point protocol
B) HDLC
C) Ethernet
D) all of these answers
Question 2:
Data communication system within a building or campus is
A) MAN
B) LAN
C) WAN
D) None of these answers
Question 3:
The transmission data rate is decided by
A) transport layer
B) network layer
C) data link layer
D) physical layer
Question 4:
The term ‘duplex’ refers to the ability of the data receiving stations to echo back a confirming message to the sender.
In full duplex data transmission, both the sender and the receiver ______
A) can send or receive data one at a time
B) can receive and send data simultaneously
C) can do one way data transmission only
D) cannot talk at once
Question 5:
The network layer protocol of the internet is
A) hypertext transfer protocol
B) internet protocol
C) Ethernet
D) none of these answers
Question 6:
CRC stands for
A) cyclic redundancy check
B) code redundancy check
C) code repeat check
D) cyclic repeat check
Question 7:
Application layer protocol defines
A) types of messages exchanged
B) message format, syntax and semantics
C) rules for when and how processes send and respond to messages
D) all of these answers
Question 8:
TCP/IP model does not have _________ layer but OSI model have this layer.
A) presentation layer
B) application layer
C) both session layer and presentation layer
D) session layer
Question 9:
Most packet switches use this principle
A) None of these answers
B) Store and forward
C) Both Stop and wait & Store and forward
D) Stop and wait
Question 10:
Which of these is not a guided media?
A) Fiber optical cable
B) Wireless LAN
C) Copper wire
D) Coaxial cable
Question 11:
Coding schemes can be divided into two broad categories ________
A) Block Coding and Convolution Coding.
B) Hamming coding and convolution coding
C) character coding, integer coding
D) hamming coding and block coding
Question 12:
Which one of the following tasks is not done by the data link layer?
A) framing
B) channel coding
C) flow control
D) error control
Question 13:
Which one of the following tasks is not done by the data link layer?
A) framing
B) channel coding
C) flow control
D) error control
Question 14:
Data Link Control Protocol (HDLC) is implemented at the _________
A) Data link layer
B) Network layer
C) transport layer
D) Physical layer
Question 15:
A distributed network configuration in which all data/information pass through a central computer is
A) All of these answers
B) star network
C) bus network
D) ring network
Question 16:
OSI stands for
A) none of these answers
B) operating system interface
C) open system interconnection
D) optical service implementation
Question 17:
A _________ is a device that forwards packets between networks by processing the routing information included in the packet.
A) firewall
B) all of these answers
C) router
D) bridge
Question 18:
In OSI network architecture, the dialogue control and token management are responsibilities of?
A) session layer
B) network layer
C) data link layer
D) transport layer
Question 19:
The physical layer translates logical communication requests from the ________ into hardware-specific operations.
A) network layer
B) transport layer
C) data link layer
D) application layer
Question 20:
TCP/IP model was developed _________ the OSI model.
A) none of these answers
B) prior to
C) simultaneous to
D) after
Question 21:
Which transmission media has the highest transmission speed in a network?
A) electrical cable
B) optical fiber
C) coaxial cable
D) twisted pair cable
Question 22:
HTTP refers to?
A) None of these answers
B) Hyper Text Transmission Protocol
C) Hyper Text Transfer Protocol
D) Hyper Text Tie Protocol
Question 23:
Communication circuits that transmit data in both directions but not at the same time are operating in
A) a simplex mode
B) a half-duplex mode
C) an asynchronous mode
D) a full-duplex mode
Question 24:
In the IEEE standards, 802.5 standards is also called?
A) Token Ring
B) Ethernet
C) Wireless Token Area Network
D) Token Bus
Question 25:
Each IP address can identify the _________ or ________ of IP packets.
A) source, length
B) source, destination
C) length, size
D) Size, destination
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