MCQ in Computer Network and Networking Part 19 | ECE Board Exam

(Last Updated On: January 7, 2023)

This is the Multiple Choice Questions Part 19 of the Series on Computer Network and Networking as one of the Communication Engineering (EST) and Electronics Engineering topics. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize with each and every question compiled here taken from various sources including but not limited to past Board Exam Questions in Communication Engineering and Electronics Engineering field, Communications Books, Electronics Books, Journals and other Communications and Electronics References.

Continue Practice Exam Test Questions Part 19 of the Series

⇐ MCQ in Computer Network and Networking Part 18 | ECE Board Exam

Choose the letter of the best answer in each question.

901. Which of the following statements is FALSE regarding a bridge?

A. Bridge is a layer 2 device

B. Bridge reduces collision domain

C. Bridge is used to connect two or more LAN segments

D. Bridge reduces broadcast domain

902. In a packet switching network, if the message size is 48 bytes and each packet contains a header of 3 bytes. If 24 packets are required to transmit the message, the packet size is.

A. 2 bytes

B. 1 bytes

C. 4 bytes

D. 5 bytes

903. In Ethernet CSMA/CD, the special bit sequence transmitted by media access management to handle collision is called

A. Preamble

B. Post amble

C. Jam

D. None of the above

904. What will be the efficiency of a Stop and Wait protocol, if the transmission time for a frame is 20ns and the propagation time is 30ns?

A. 20%

B. 25%

C. 40%

D. 66%

905. The physical layer translates logical communication requests from the into hardware specific operations.

A. Data link layer

B. Network layer

C. Transport layer

D. Application layer

906. A single channel is shared by multiple signals by

A. Analog modulation

B. Digital modulation

C. Multiplexing

D. Phase modulation

907. Wireless transmission of signals can be done via

A. Radio waves

B. Microwaves

C. Infrared

D. All of the mentioned

908. ICMP is primarily used for

A. Error and diagnostic functions

B. Addressing

C. Forwarding

D. Routing

909. 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

910. is the multiplexing technique that shifts each signal to a different carrier frequency.

A. FDM

B. TDM

C. Both FDM & TDM

D. PDM

911. If link transmits 4000frames per second, and each slot has 8 bits, the transmission rate of circuit this TDM is

A. 32kbps

B. 500bps

C. 500kbps

D. 32bps

912. If there are n signal sources of same data rate, then the TDM link has slots.

A. N

B. n/2

C. n*2

D. 2n

913. The state when dedicated signals are idle are called

A. Death period

B. Poison period

C. Silent period

D. Stop period

914. In TDM, slots are further divided into

A. Seconds

B. Frames

C. Packets

D. Bits

915. In TDM, the transmission rate of a multiplexed path is always the sum of the transmission rates of the signal sources.

A. Greater than

B. Lesser than

C. Equal to

D. Equal to or greater than

916. The time required to examine the packet’s header and determine where to direct the packet is part of

A. Processing delay

B. Queuing delay

C. Transmission delay

D. Propagation delay

917. Transmission delay does not depend on

A. Packet length

B. Distance between the routers

C. Transmission rate

D. Bandwidth of medium

918. Propagation delay depends on

A. Packet length

B. Transmission rate

C. Distance between the routers

D. Speed of the CPU

919. Which of the following delay is faced by the packet in travelling from one end system to another?

A. Propagation delay

B. Queuing delay

C. Transmission delay

D. All of the mentioned

920. A network router joins two _________ together?

A. Computers

B. Switches

C. Networks

D. Gateway

921. Message Oriented Middleware allows general purpose messages to be exchanged in a Client/Server system using message queues.

A. True

B. False

922. Which of the following below is a loopback IP address?

A. 127.0.0.0

B. 127.0.1.1

C. 127.0.1.0

D. 127.0.0.1

923. Transport layer of OSI model lies between Network and ___________ layer

A. Application

B. Data link

C. Session

D. Presentation

924. IP4 is more commonly used than IPv6?

A. True

B. False

925. From the options below, which suits best for MODEM?

A. a device that modulates an analog carrier signal to encode digital information

B. a device that modulates a digital carrier signal to encode analog information

C. a device that modulates an analog carrier signal to decode digital information

D. a device that modulates a digital carrier signal to decode analog information

926. A network point that provides entrance into another network is called as ___________

A. Node

B. Gateway

C. Switch

D. Router

927. UDP is an unreliable protocol.

A. True

B. False

928. A stream socket provides _________ communications between a client and a server

A. One way

B. Two way

C. Three way

D. No way

929. TELNET used _________ protocol for data connection

A. TCP

B. UDP

C. IP

D. DHCP

930. __________ is a standard suite of protocols used for packet switching across computer networks.

A. x.22

B. x.23

C. x.25

D. x.26

931. ARP works on Ethernet networks.

A. False

B. True

932. _______ assigns a unique number to each IP network adapter called the MAC address.

A. Media Access Control

B. Metro Access Control

C. Metropolitan Access Control

D. Both B and C above

933. Piconets in the blue tooth a minimum of two and a maximum of ____________ Bluetooth peer devices.

A. five

B. eight

C. nine

D. four

934. Dynamic addressing doesn’t allow many devices to share limited address space on a network

A. True

B. False

935. NAT stands for _____.

A. network address transformer

B. network address translator

C. network address translation

D. Both B and C above

936. Which of the following is true for secure shell tunneling?

A. To set up an SSH tunnel, one configures an SSH client to forward a specified local port

B. SSH tunnels provide a means to not bypass firewalls

C. All SSH clients support dynamic port forwarding

D. Both A and B

937. When computers in a network listen and receive the signal, it is termed as active topology

A. True

B. False

938. ______is added to data packet for error detection.

A. checksum bit

B. error bit

C. parity bit

D. None of these

939. ALL IP addresses are divided into a network address and host address

A. True

B. False

940. Both ping and tracert are used to find If the computer is in the network.

A. True

B. False

941. What is the difference between ring and bus topology?

A. In Ring, all nodes are connected with another in a loop while in the bus they are connected to a central cable

B. In Ring, all nodes are connected with another loop while on a bus they are connected to a central cable

C. In the bus, all nodes are connected with another in a loop while instar they are connected to a central node

D. In Bus all nodes are connected with another loop while instar they are connected to a central cable

942. MAC addressing works in data link layer while IP addressing works in the network layer.

A. True

B. False

943. A packet whose destination is outside the local TCP/IP network segment is sent to the ___ _.

A. File server

B. Default gateway

C. DNS server

D. DHCP server

944. The physical layer is concerned with the movement of _______ over the physical medium.

A. programs

B. dialogs

C. protocols

D. Bits

945. In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______.

A. added

B. removed

C. rearranged

D. Modified

946. IPv6 has _______ -bit addresses.

A. 32

B. 64

C. 128

D. Variable

947. An IP address contains________ bits ?

A. 8

B. 16

C. 32

D. 64

948. Which routing protocol below is used by exterior routers between the autonomous systems?

A. RIP

B. IGRP

C. OSPF

D. BGP

949. What is the network ID for a computer whose IP address is 190.148.64.23?

A. 190

B. 190.148

C. 190.148.64

D. None of the above

950. Determine the maximum length of the cable (in km) for transmitting data at a rate of 500 Mbps in an Ethernet LAN with frames of size 10,000 bits. Assume the signal speed in the cable to be 200,000 km/s.

A. 1

B. 2

C. 2.5

D. 5

MCQ in Computer Fundamentals Series

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