100+ Best MCQ Introduction to Computer Networks Class 12

Introduction to Computer Networks

Q1. A group of two or more similar things or people interconnected with each other is called ________________

a. Internet

b. Intranet

c. Network

d. Net

Q2. Which of the following are examples of network in our everyday life ?

a. Social Network

b. Mobile Network

c. Airlines network.

d. All of the above

Q3. A ________________ network is an interconnection among two or more computers or computing devices.

a. computer

b. social

c. mobile

d. society

Q4. In Computer network, we can share ______

a. Data

b. Resources

c. Both of the above

d. None of the above

Q5. Computer in a network is called ______________

a. Network Computer

b. Node

c. Special Computer

d. Server

Q6. For communication, data in a network is divided into smaller chunks called ____________

a. Small data

b. Parcel

c. Packets

d. Photons

Q7. Apart from computers, networks include networking devices like ____________

a. Switch

b. Router

c. Modem

d. All of the above

Q8. Devices in a network can be connected through _______________

a. Wired media

b. Wireless media

c. Both of the above

d. None of the above

Q9. Which of the following is used in computer network?

a. Router

b. Hub

c. Bridge

d. All of the above

Q10. In a communication network, each device that is a part of a network and that can receive, create, store or send data to different network routes is called a ______

a. Node

b. Network Computer

c. Device

d. Server

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Introduction to Computer Networks

Q11. A network which is formed by interconnection of two mobile phone through Bluetooth is called _________________

a. MAN

b. WAN

c. PAN

d. LAN

Q12. LAN stands for __________________

a. Local Arm Network

b. Local Area Network

c. Line Area Network

d. Local Area Net

Q13. _____________ is a network that connects computers, mobile phones, tablet, mouse, printer, etc., placed at a limited distance of 1km.

a. MAN

b. LAN

c. PAN

d. WAN

Q14. Which of the following can be used as communication medium in LAN?

a. Ethernet Cable

b. Optical fibre

c. Wi-Fi

d. All of the above

Q15. Mbps stands for _____

a. Mega byte per second

b. Million byte per second

c. Megabits per second

d. Morebits per second

Q16. Which of the following can be shared over a network?

a. Printer

b. Storage space

c. Data

d. All of the above

Q17. LAN provide ____________ communication with the ____________ data transfer rates.

a. short range, high speed

b. long range, high speed

c. long range, low speed

d. short range, low speed

Q18. 5Gbps = ___________

a. 5Mbps

b. 50Mbps

c. 500Mbps

d. 5000Mbps

Q19. MAN stands for ___________________

a. Metro Area Network

b. Metropolitan Area Network

c. Metropolitan Architect Network

d. Main Area Network

Q20. Which of the following covers a larger geographical area like a city or a town.

a. MAN

b. LAN

c. PAN

d. WAN

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Introduction to Computer Networks

Q21. WAN stands for ___________

a. Wide Area Network

b. World Area Network

c. Wonder Area ?Network

d. Wider Area Network

Q22. ISP stands for ______________

a. Internet Series Provider

b. Internet Service Provider

c. Intranet Service Provider

d. Internet Super Provider

Q23. ARPANET stands for ______________

a. Advanced Research Project Administration Network

b. Advanced Research Promote Agency Network

c. Admin Research Project Agency Network

d. Advanced Research Project Agency Network

Q24. Modem stands for ______

a. Modulator-Demo

b. Modern Demodulator

c. Modulator Demodulator

d. Modulo Demodulo

Q25. NIC stands for ________________________

a. Network Internet Card

b. New Interface Card

c. New Internet Card

d. Network Interface Card

Q26. Wi-Fi stands for _______________

a. Wireless Fidelity

b. Wireless Foundation

c. Wire Firm

d. Wire Fidelity

Q27. VoIP stands for __________

a. Voice Internet Protocol

b. Voice Over Internet Protocol

c. Voice Internet Procedure

d. Voice Over Internet Provider

Q28. WWW stands for ________________________

a. World Wide Web

b. Web World Wide

c. Wide World Web

d. Wide Web Word

Q29. URI stands for ______

a. Uniform Resource in India

b. Universal Resource Identifier

c. Uniform Resource Identifier

d. Uniform Remember Identifier

Q30. HTML stands for __________

a. Hyper Text Markup Language

b. Hyper Try Markup Language

c. Hypertext Textual Markup Language

d. Hyper Text Mark Language

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Introduction to Computer Networks

Q31. FTP stands for ______

a. File Transfer Protocol

b. Folder Transfer Protocol

c. File Transfer Procedure

d. File Transfer Payment

Q32. Email stands for _____

a. Electric mail

b. Electricity mail

c. Electronic mail

d. Electrical mail

Q33. BCC stands for ________

a. Blank Carbon Copy

b. Blind Carbon Copy

c. Blind Copy Carbon

d. Blank Copy Carbon

Q34. CSS stands for _________

a. Cascade Store Sheet

b. Cascading Style Shot

c. Cascading Style Sheet

d. Camera Style Sheet

Q35. DNS stands for ________

a. Domain Name Server

b. Domain Number System

c. Domain Name System

d. Domain Number Server

Q36. Example of WAN is ______________

a. Intranet

b. Internet

c. Cable TV Network

d. None of the above

Q37. Which of the following is not a networking device?

a. Router

b. Modem

c. Hub

d. Bus

Q38. Which of the following is not the type of Network?

a. LAN

b. MAN

c. TAN

d. PAN

Q39. Name a device which convert analog signal to digital and vice versa.

a. Router

b. Modem

c. Hub

d. Gateway

Q40. Which of the following device is connected to both source and destination computer?

a. Hub

b. Switch

c. Modem

d. Router

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Introduction to Computer Networks

Q41. Computer store and process data in form of _______________

a. 0s and 1s

b. Binary Digits

c. Bits

d. All of the above

Q42. The modem at the sender’s computer end acts as a ____

a. Model

b. Modulator

c. Demodulator

d. Converter

Q43. The modem at the receiver’s computer end acts as a ______

a. Model

b. Modulator

c. Demodulator

d. Converter

Q44. Modem converts the digital data into analog signal at _____

a. Sender Computer end

b. Receiver Computer end

c. Both of the above

d. None of the above

Q45. Modem converts the analog signal into digital data at _____

a. Receiver Computer end

b. Sender Computer end

c. Both of the above

d. None of the above

Q46. Ethernet card is also known as ___________

a. Cable Card

b. Network Interface Card

c. Interface Card

d. Single Card

Q47. ______ connects the computer to the network through NIC.

a. Optical Fibre

b. Twisted Pair Cable

c. Ethernet cable

d. None of the above

Q48. The cable connection on the Ethernet card is called ____

a. RJ – 45 connection

b. RJ -11 connection.

c. VJ – 49 connection

d. VJ – 21 connection

Q49. Ethernet Card is a _______

a. Software

b. Hardware

c. Freeware

d. Firmware

Q50. Each NIC has a unique ____________ address, which helps in uniquely identifying the computer on the network.

a. MAC

b. IP

c. Web

d. None of the above

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Introduction to Computer Networks

Q51. The weakened signal appearing on the cable is regenerated and put back on the cable by a _____________.

a. Hub

b. Router

c. Repeater

d. Switch

Q52. Aman wants to send the signal through wire to a distance of around 130m. At receiver’s end, he found that signal is weak. Name a device which will help him to regenerate the signal.

a. Gateway

b. Switch

c. Hub

d. Repeater

Q53. ________________ is a network device used to connect different devices through wires.

a. Router

b. Hub

c. Repeater

d. Modem

Q54. In ____________ data is sent to all the connected computers.

a. Switch

b. Hub

c. Router

d. Gateway

Q55. In __________ data is sent to only the specific computers.

a. Switch

b. Hub

c. Router

d. Gateway

Q56. Which of the following is not correct about switch?

a. It is an intelligent hub.

b. It sends the signal only to the intended node.

c. It helps to connect multiple computers

d. It can not forward multiple packets at the same time.

Q57. Which of the following device helps to connects a local area network to the internet?

a. Hub

b. Router

c. Switch

d. Gateway

Q58. _________________ device acts as a “gate” between an organisation’s network and the outside world of the Internet.

a. Hub

b. Router

c. Gateway

d. Switch

Q59. Which of the following device helps to connect two different network?

a. Hub

b. Switch

c. Router

d. Gateway

Q60. ____________ serves as the entry and exit point of a network.

a. Gateway

b. Switch

c. Router

d. Hub

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Introduction to Computer Networks

Q61. If a node from one network wants to communicate with a node of a foreign network, data packet will pass through _______________

a. Hub

b. Gateway

c. Ethernet Card

d. None of the above

Q62. The arrangement of computers and other peripherals in a network is called _______

a. Topology

b. Networking

c. Terminology

d. Topologous

Q63. Which of the following is not the topology?

a. Ring

b. Bus

c. Car

d. Star

Q64. In _____________ topology each communicating device is connected with every other device in the network.

a. Star

b. Bus

c. Mesh

d. Ring

Q65. To build a fully connected mesh topology of n nodes, it requires _____________ wires.

a. n(n-1)/2

b. n(n-1)

c. n(n-1)/4

d. n(n-1)/3

Q66. In a ring topology data can be transmitted only in ________

a. Two direction

b. One direction

c. Three direction

d. None of the above

Q67. In bus topology the cable to which the nodes connect is called ___________.

a. Backbone

b. Backwire

c. Main wire

d. Bus bone

Q68. In ___ topology each device is directly connected with the central device.

a. Bus

b. Ring

c. Star

d. Tree

Q69. In ____ topo8logy failure in the central networking device may lead to the failure of complete network.

a. Bus

b. Star

c. Ring

d. Tree

Q70. _________ is a hierarchical topology.

a. Tree

b. Star

c. Bus

d. Ring

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Introduction to Computer Networks

Q71. The ____________ is the global network of computing devices including desktop, laptop, servers, tablets, mobile phones etc.

a. Internet

b. Arpanet

c. Intranet

d. NSFNET

Q72. Now a days, which of the following devices can be communicated through internet?

a. T.V.

b. Fan

c. Light

d. All of the above

Q73. Which of the following services are provided through internet?

a. VoIP

b. Email

c. Chat

d. All of the above

Q74. ____ is used to design standardised Web Pages.

a. HTTP

b. HTML

c. VB

d. C++

Q75. Identify the domain name from the following address.

www.csiplearninghub.com/QnA/Ch4.html

a. www.csiplearninghub.com

b. www.csiplearninghub.com/QnA

c. www.csiplearninghub.com/QnA/Ch4.html

d. None of the above

Q76. Which of the following is not a protocol?

a. FTP

b. HTTP

c. TELNET

d. ATP

Q77. Which of the following is search engine?

a. Google

b. Bing

c. Yahoo

d. All of the above

Q78. More secure and advanced version of HTTP is ______________

a. HTTPS

b. HTTPE

c. HTTPM

d. HTTPSec

Q79. What is ‘S’ in HTTPS ?

a. Safe

b. Second

c. Secure

d. Score

Q80. Which of the following, we can send through Email?

a. Text

b. Audio

c. Video

d. All of the above

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Introduction to Computer Networks

Q81. Which of the following is email service providers?

a. Yahoo

b. Gmail

c. Both of the above

d. None of the above

Q82. __________________ term is used to create an Email.

a. Compost

b. Compose

c. Come-Pose

d. Create

Q83. Identify the example of email account created on Google.

a. amita@yahoo.com

b. anant123@gmail.com

c. ashu@google

d. anshu@yahoo.co.in

Q84. _______________ means communicating to people at different geographic locations in real time through text message.

a. Talking

b. Chatting

c. Email

d. Phishing

Q85. Which of the following is an example of Instant messenger?

a. WhatsApp

b. Skype

c. Google Talk

d. All of the above

Q86. VoIP, allows us to have voice call over the ______________.

a. Internet

b. Intranet

c. Network

d. Protocol

Q87. Which of the following statement is true in reference to VoIP?

a. Its call quality is dependent on Internet connection speed.

b. VoIP call(s) can be received and made using IP phones from any place having Internet access.

c. VoIP works on the simple principle of converting the analogue voice signals into digital and then transmitting them over the broadband line.

d. All of the above.

Q88. __________________ contains information organised in multiple pages about an organisation.

a. Webpage

b. Web Server

c. Website

d. None of the above

Q89. A website is a collection of _____

a. Web server

b. Web pages

c. Protocols

d. None of the above

Q90. A visitor navigates from one web page to another web page by clicking on ______

a. HTML

b. HTTP

c. Hyperlink

d. Video

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Introduction to Computer Networks

Q91. Common purpose for which websites are designed is/are ______________

a. Sell Products

b. Posting and finding information on the internet

c. Entertainment purposes.

d. All of the above

Q92. A _______ is a document on the WWW that is viewed in a web browser.

a. Web

b. Web page

c. Web server

d. HTML

Q93. Basic structure of a web page is created using _____________

a. HTML

b. VB

c. C

d. C++

Q94. A webpage is usually a part of ______

a. Home page

b. Web site

c. HTML

d. C++

Q95. A web page may contain _______

a. Text

b. Images

c. Videos

d. All of the above

Q96. The first page of the website is called a _____________ page

a. Welcome

b. Main

c. Home

d. New Web

Q97. A _________ webpage is one whose content always remains same.

a. Dynamic

b. Static

c. Fixed

d. Constant

Q98. Which of the following will help to create a dynamic web page?

a. Java Script

b. C

c. C++

d. Excel

Q99. A _______________ web page is one in which the content of the web page can be different for different users.

a. Static

b. Constant

c. Dynamic

d. Variable

Q100. A ____________ is used to store and deliver the contents of a website to clients such as a browser that request.

a. Web server

b. Web page

c. Web site

d. All of the above

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Introduction to Computer Networks

Q101. A _____________ sends the request to _____________.

a. Web server , Web browser

b. Web browser , Web server

c. Web browser , Web site

d. Web server , Web site

Q102. If the server is not able to locate the requested page then it shows ________

a. Error 204 – page not found

b. Error 304 – page not found

c. Error 104 – page not found

d. Error 404 – page not found

Q103. ________________ is a service that allows to put a website onto the Internet, and make it a part of the World Wide Web.

a. Web Hosting

b. Web

c. Hacking

d. Phishing

Q104. Which of the following is invalid IP address?

a. 192.168.102.100

b. 122.148.152.170

c. 102.231.242.190

d. 256.231.101.100

Q105. Each website has a unique numeric address called ______

a. MAC address

b. IP address

c. TCP address

d. email address

Q106. ____ is a service that does the mapping between domain name and IP address.

a. DNS

b. FTP

c. HTTP

d. TCP

Q107. Which of the following software/application helps to view web pages in computer?

a. Web Site

b. Web Server

c. Web Browser

d. WWW

Q108. Which of the following is not a Web Browser?

a. Internet Explorer

b. Google Chrome

c. Microsoft

d. Opera

Q109. _____ was the first web browser developed by ___________

a. Internet explorer, NCSA

b. Safari, NCSA

c. Mosaic, NCSA

d. Chrome, NCSA

Q110. Which of the following is an open source browser?

a. Internet Explorer

b. Mozilla Firefox

c. Microsoft Bing

d. Google Chrome

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Introduction to Computer Networks

Q111. In Mozilla Firefox, menu button is present in ________ corner of the window.

a. right top

b. left top

c. right bottom

d. left bottom

Q112. In Mozilla Firefox, which of the following has option to set the home page of the browser?

a. General Panel

b. Home Panel

c. Search Panel

d. Privacy and Security Panel

Q113. In Mozilla Firefox, which of the following has options to secure the browser and data?

a. General Panel

b. Home Panel

c. Search Panel

d. Privacy and Security Panel

Q114. Identify the tools that help to extend and modify the functionality of the browser.

a. Plugins

b. Add-ons

c. Both of the above

d. None of the above

Q115. A _______________ is a complete program or may be a third-party software.

a. Add-ons

b. Plug-in

c. Extension

d. None of the above

Q116. ___________ is not a complete program and so is used to add only a particular functionality to the browser.

a. Add-ons

b. Plug-in

c. Software

d. None of the above

Q117. A ___________ is a text file, containing a string of information, which is transferred by the website to the browser when we browse it.

a. Cookie

b. Add-on

c. Plugin

d. Extension

Q118. We can disable cookies by changing the settings from ____ in Mozilla Firefox browser..

a. General Panel

b. Privacy and Security Panel

c. Home Panel

d. Search Panel

Q119. A web server is a program or a computer that provides services to other programs or computers called _______________

a. Server

b. Protocol

c. Client

d. Software

Q120. Examples of VoIP app is ________

a. Skype

b. Whatapp

c. Google Hangout

d. All of the above

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Introduction to Computer Networks

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