100 MCQ Computer Networking and Telecommunication [SEE 2075]

1.      Data communication means:

i) We can easily send and receive the message                 ii) Data computing system is fastest in network

iii) The process of transferring data and information               iv) None of above

2.      The term network basically refers to:

i) Communication                      ii) Interconnection                     iii) Sharing                    iv) All of them

3.      Which of the following are is not a goal of computer networks?

i) Resource sharing        ii) High reliability                      iii) Scalability               iv) None of the above

4.      Which of the following is required to communicate between two computers?
i) communications software        ii) protocol                    iii) communication hardware
iv) all of above including access to transmission medium

5.      Computer Network is
i) Collection of hardware components and computers       ii) Interconnected by communication channels
iii) Sharing of resources and information                         iv) All of the Above

6.      What is the benefit of the Networking?
i) File Sharing               ii) Easier access to Resources     iii) Easier Backups                    iv) All of the Above

7.      Two devices are in network if
i) a process in one device is able to exchange information with a process in another device
ii) a process is running on both devices
iii) PIDs of the processes running of different devices are same
iv) none of the mentioned

8.      What do you mean by broadcasting in Networking?
i) It means addressing a packet to all machine
ii) It means addressing a packet to some machine
iii) It means addressing a packet to a particular machine
iv) It means addressing a packet to except a particular machine

9.      The maximum speed at which data can be transmitted between two nodes on a network.

i) Bit rate                                  ii) Bandwidth                           iii) Band length             iv) None of them

10.   What is the meaning of Bandwidth in Network?
i) Transmission capacity of a communication channels            ii) Connected Computers in the Network
iii) Class of IP used in Network                                                  iv) None of Above

11.   The bandwidth of digital signal is measured in­_

i) Hertz                         ii) Cycle per second                   iii) Bits per second       iv) None of the above

12.   Each computer on the Internet has a unique numeric address called a/an ….

i) Web address              ii) Domain address                    iii) Network binding      iv) IP address

13.   Which one of the device is simplex?

i) Television                 ii) Telephone                             iii) Computer                iv) Walkie-Talkie

14.   TV broadcasting is an example for data transmitting

i) Half-duplex Mode      ii) Simplex Mode                       iii) Full duplex mode   iv) None of them

15.   Which of the following communication modes support two-way traffic but in only one direction at a time?
i) simplex                     ii) half duplex                          iii) three-quarters duplex            iv) all of the above

16.   Which of the following is not the possible ways of data exchange?
i) Simplex                     ii) Multiplex                             iii) Half-duplex                         iv) Full-duplex

17.   Which data communication method is used to transmit the data over a serial communication link?

i)  Simplex                    ii) Half-duplex                          iii) Full duplex                         iv) All of above

18.   Which of the following is not a transmission medium?
i) telephone lines           ii) coaxial cables                       iii) modem                   iv) microwave systems

19.   Which refers to the communication media? [SLC 2064, SLC 2065]
i) UTP cable                 ii) Fiber optic cable                   iii) Radio wave              iv. All

20.   Which is not a communication media? [SLC 2067]
i) Wire                          ii) Microwave                           iii) Satellite                   iv) NIC

21.   Which is not unguided media? [SLC 2069]
i) Fiber optics              ii) Microwave                           iii) Infrared                   iv) Radio wave

22.   Which is NOT a guided media? [SEE 2066 S] [SLC 2068 S]

i) UTP Cable                 ii) STP Cable                            iii) Satellite                  iv) Fiber Optics

23.   Microwave and Infrared technology are related with:

i) Unbounded media    ii) Bounded Media                     iii) Confounded             iv) Hot Bounded

24.   A form of wireless transmission in which signals are sent via pulses of infrared light.

i) Radio networking       ii) Infrared transmission          iii) Microwave transmission       iv) None 

25.    Which of these Electro-Magnetic waves is used for short range and line of propagation communications

i) Radio waves              ii) Microwaves                          iii) Infrared signals      iv) None of the above

26.   Which one is bounded media? [SLC 2067 S] [SLC 2070]

i) Fibre optics              ii) Microwave                           iii) Infrared                   iv)Laser

27.   An example of guided media_______

i) Radio wave                ii) Infrared                                iii) Fiber Optics           iv) Micro wave

28.   Which transmission media is not used for guided transmission media?

i) Fiber Optic                ii) Coaxial Cable                       iii) RJ45                       iv) Satellite

29.   Loss in signal power as light travels down the fibre is called?

i)  Attenuation             ii) Propagation                          iii) Scattering                iv) Interruption

30.   Which of the following is an advantage to using fiber optics data transmission?
i) resistance to data theft            ii) fast data transmission rate      iii) low noise level         iv) all of above

31.   In which communication media data transfer high? [SLC 2068]
i) Twisted pair               ii) Co-axial cable                       iii) Fiber optics            iv) Microwave

32.   Fastest and high bandwidth data communication medium is:

i) Optical fiber             ii) Twisted Pair                         iii) Coaxial Cable          iv) Telephone Line

33.   Media used to transfer data in forms of light? [SLC 2070 S]
i) Microwave               ii) Fiber optical                        iii) Radio wave              iv) Satellite

34.   Which is the connector of coaxial cable.

i) RJ 45                        ii) BNC                                    iii) ST                           iv) None of them

35.   Which of the following is not Media connector?

i) BNC                         ii) terminator                             iii) RJ-45                      iv) NIC

36.    Which is the connector of UTP cable?

i) BNC                         ii) T-Connector                         iii)  ST connector          iv) RJ-45 connector

37.   ………………. that physically makes the connection between the computer and the network cable.

i) Network cables                      ii) Network connector    iii) NIC

38.   Which device is used to connect multiple networks that use the same protocol [SEE 2074]
         i) Bridge                         ii) NIC                          iii) Switch                     iv) Gateway

39.   Which of the following device is multi ports repeater?

i) Hub                                      ii) router                                   iii) bridge                                  iv) gateway

40.   A device that lets you link two networks together.

i) Switch                       ii) Hub                                      iii) Router                    iv) None of above

41.   A networking device that joins multiple networks having different protocols is_

i) Switch                       ii) Router                                  iii) Gateway                 iv) Bridge

42.   Devices installed on long cable runs to amplify the signal are called:

i) Repeaters                 ii) Adapters                               iii) Switches                  iv) Routers

43.   A network navigation device that merely retransmits a signal to all other nodes attached to it:

i) Router                       ii) NIC                                      iii) Hub                                    iv) Adapter

44.   Which of the following is used to connect  totally dissimilar networks?

i) Router                       ii) Bridge                                  iii) Gateway                 iv) None

45.   Basically router is used for……

i) LAN                         ii) WAN                                   iii) Both i) and ii)          iv) None of above

46.   What does Router do in a network?
i) Forwards a packet to all outgoing links                       

ii) Forwards a packet to the next free outgoing link
iii) Determines on which outing link a packet is to be forwarded
iv) Forwards a packet to all outgoing links except the originated link

47.   What is the use of Bridge in Network?
i) to connect LANs                   ii) to separate LANs      iii) to control Network Speed     iv) All of the above

48.   Which is not a network device?

i) Hub                           ii) Repeater                               iii) switch                     iv) TCP/IP

49.   Which of the following is not the Networking Devices?
i) Gateways                   ii) Linux                                   iii) Routers                    iv) Firewalls

50.   Which is not network hardware component?

i) HUB                         ii) Repeater                               iii) Router                     iv) Windows NT

51.   Which is the component of a network?

i) MSDOS                    ii) Hub                                     iii) Volt guard               iv) None of them

52.   Which is not a physical component of computer network ?

i) Cable                        ii) NIC                                      iii) Network OS            iv) Hub

53.   What is modem?

i) An error message       ii) A network tool          iii) A personal computer     iv) A communication device

54.   The speed of Modems is measured in terms of

i) mbps                                     ii) bps                                      iii) kbps                         iv) bits

55.   Which device is necessary to operate internet? [SEE 2066 S]

i) CD-ROM                  ii) ISP                                       iii) MODEM                iv) All of the above

56.   Modem converts [SEE 2066 S]

i) Sound into digital       ii) Digital into sound                  iii) Both i) and ii)         iv) None

57.   Which of the following network connects computer to the Internet? [SLC 2069 S]
i) Intranet                                  ii) LAN                                    iii) WAN                      iv) MAN

58.   The device used for connecting PC to telephone line is

i) CD-ROM                  ii) MODEM                             iii) Printer                     iv) Port

59.   A device that converts the discrete stream of digital ON-OFF electric pulses used by computer into the continuously variable analog wave patterns used to transmit the human voice over many existing telephone lines.

i) Modem                     ii) Bridge                                  iii) Gateway

60.   Which of the following performs modulation and demodulation?
i) fiber optics                ii) satellite                                 iii) coaxial cable                        iv) modem

61.   A server in LAN is a

i) Device offering service to user                                              ii) NIC             

iii) Workstation with huge secondary storage                   iv) None of the above

62.   Which of the following networking solution is suitable for networking within a building?

i) WAN                        ii) LAN                                    iii) MAN                      iv) None of above

63.   Which of the following is not required in local area network LAN?

i)     RJ-45                    ii) PC                                       iii) HUB                       iv) Telephone

64.   Which type of network is used in the internet?

i) LAN                         ii) MAN                                   iii) GAN                       iv) WAN

65.   A telecommunication network, usually used for connecting computers, that spans a wide   geographical area.

i) LAN                         ii) MAN                                   iii) CAN                      iv) WAN

66.    A data communications system allowing a number of independent devices to communicate directly with each other, within a moderately sized geographic area.

i) LAN                         ii)WAN                                    iii) MAN                                    iv) CAN

67.   A network of computer spread over a city or town located in the same geographical area.

i) LAN                         ii) MAN                                               iii) WAN

68.   Physical layout of computer:

i) Network                    ii) Topology                             iii) LAN                       iv) MAN

69.   Which one is not a network topology? [SLC 2066]
i) Star                           ii) Ring                                     iii) Client Server          iv) Bus

70.   In which topology network devices are connected through hub? [SLC 2067]
i) Ring topology                        ii) Bus topology                        iii) Star topology         

71.   Which of the following topologies share a single channel on which all stations can receive and transmit the data?

i) LAN                                     ii) BUS                                     iii) TREE                      iv) None

72.   Which of the following topologies is least affected by addition/removal of a node?

i) Star                          ii) Ring                                     iii) Bus                         iv) None of the above

73.   Token passing system is used in _____ topology.

i) Star                           ii) Ring                                    iii) Bus                         iv) Mesh

74.   A topology with a single cable that connects all the workstations, servers, printers and other devices on the network.

i) Ring Topology           ii) Bus Topology                      iii) Star Topology          iv) Mesh Topology

75.   Protocols are?
i) Agreements on how communication components and DTE's are to communicate
ii) Logical communication channels for transferring data
iii) Physical communication channels sued for transferring data
iv) None of above

76.   Protocols in network means

i) Language for communication between computer         

ii) Rules for exchange of message between two or more hosts

iii) Both i) and ii)                                                         iv) None of the above

77.   A set of rules that govern all aspects of information communication is called
i) Server                       ii) Internet                                 iii) Protocol                  iv) OSI Model

78.   Which of the following is not a protocol? [SLC 2068] [SEE 2074]
i) POP                         ii) TCP/IP                                 iii) NOS                       iv) FTP

79.   Which of the following is not a protocol?

i) TCP/IP                      ii) IPX/SPX                              iii) NETBIOS/NETBUI             iv) Client

80.   Which is not a network protocol?

i) TCP/IP                      ii)  HTTP                                  iii) LAN                       iv) FTP

81.   Which of the following is protocol?

i) TCP/IP                                  ii) HTTP                                   iii) FTP                         iv) All of them

82.   _______ is the protocol used to send email:

i) HTTP                                    ii) SMTP                                  iii) POP                                    iv) FTP

83.   The communication protocol used to connect to web servers on the internet or on a local network (intranet).

i) TCP/IP                      ii) HTTP                                  iii) SMTP                        iv) POP

84.   Which is Network operating system(NOS)? [SLC 2064]

i) Linux                                    ii) Windows XP                        iii) MS-DOS                 iv) All

85.   Which is the network operating system?

i) MS-DOS                   ii) Windows 7                           iii) MS-UNIX               iv) Windows NT

86.   Which is not the network operating system:

i) Linux                                    ii) UNIX                                   iii) MS-DOS                 iv) Windows Server

87.   Which one is operating system software? [SLC 2070]

i) MS-Word                  ii) MS-Excel                             iii) Firefox                    iv) MS-DOS

88.   Which is the network operating system used in a server computer?

i) Windows XP             ii) Windows Vista                     iii) Windows NT server    iv) None of them

89.   A dedicated server that manages printers and printing jobs is_

i) Network Server                      ii) Printer Server                     iii) Modem Server         iv) File Server

90.   The network architecture used in most home networks is:

i) Client-server LAN      ii) Peer-to-peer LAN                iii) Client-server WAN  iv) Peer-to-peer WAN

91.   A group of computers that functions both as a client and as a server.

i) Centralized computing            ii) Client/server             iii) Peer-to-peer            iv)Local Area Network

92.   A specialized network device on a host-based network that transmits the data entered by the user to the host for processing and displays the results.

i. Client                        ii) Network Server                     iii) Terminal                iv) None of the above

93.   Any network device that can connect to the network and can generate ,process or transfer network data.

i) Node                                     ii) Client                                   iii) Peer

94.   A centralized computing network is a type of network where  all the users connect to a host computer that is the acting agent for all communication.

i) Peer-to peer               ii) Client/server                                      iii) None of the above

95.   Which of the following acts as the central authority in the network?

i) protocol                     ii) client                                    iii) server                     iv) none of the above

96.   In which of the following network model all the computers have equal access?

i) Peer-to-peer network                                                            ii) apple talk network

iii) Client/server network                                                           iv) None of the above

97.   A _______ is a self-sufficient computer that acts both as a server and a client to other similar computers on the network.

i) Node                         ii) Client                                   iii) Peer

98.   A network in which a central host computer performs data processing and storage on behalf of clients.

i) Centralized computing network                    ii)  Client/Server network           iii)  Peer-to-peer network

99.   What is a Firewall in Computer Network?
i) The physical boundary of Network
ii) An operating System of Computer Network
iii) A system designed to prevent unauthorized access
iv) A web browsing Software

100.                    __________ is the main line of defense between a local network or intranet and the Internet.

i) USB port                   ii) Encryption key                      iii) Firewall                  iv) Decryption key

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