100+ Computer Network in python Important Questions (Solved) for Class 12

According to CBSE Latest Sample Paper 2020, weightage of Computer Network Unit is approximately 15 marks.

This article is giving all the expected/important questions of unit COMPUTER NETWORK

Practice Questions of Computer Network -Test 1

Q1. What do you mean by Computer Network?

[showhide type=”links1″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. A collection of interconnected computers to share data and resources is called computer network.[/showhide]

Q2. Write two advantages of computer network,

[showhide type=”links2″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Two advantages of computer network are :

1. Resources can be shared through network like printer, scanner etc.
2. It reduces communication cost.[/showhide]

Q3. What do you mean by workstation?

[showhide type=”links3″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Those computers which are connected with computer to share data and resources is called workstation or nodes.[/showhide]

Q4. Define the term protocol.

[showhide type=”links4″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. A set of rules that governs data transmission in a network.[/showhide]

Q5. Expand the following term

1. PAN
2. LAN
3. MAN
4. WAN

[showhide type=”links5″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Expanded forms are:

1. PAN : Personal Area Network
2. LAN : Local Area Network
3. MAN : Metropolitan Area Network
4. WAN : Wide Area Network[/showhide]

Q6. What do you mean by PAN.

[showhide type=”links6″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. PAN stands for Personal Area Network. It is a small network which is established between computer and other devices up to a proximity of 10m using wired or wireless system like bluetooth or infrared.[/showhide]

Q7. A computer network which covers a small geographical area like in school, office is _______ (LAN/MAN/WAN)

[showhide type=”links7″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. LAN[/showhide]

Q8. Name three types of cables used in computer network.

[showhide type=”links8″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Three types of cables are.

1. Twisted Pair Cable
2. Coaxial Cable
3. Optical Fibre Cable

Q9. Write one advantage and one disadvantage of Twisted Pair cable.

[showhide type=”links9″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Advantage : It is cheap and flexible cable. Disadvantage : Only suitable for short distances.[/showhide]

Q10. Write one advantage and one disadvantage of Coaxial cable.

[showhide type=”links10″ more_text=”Show Answer” less_text=”Hide Answer”]

Ans. Advantage : Less susceptible to electromagnetic fields.

Disadvantage : Less flexible and costlier than Twisted Pair Cable.[/showhide]

Practice Questions of Computer Network -Test 2

Q11. Write one advantage and one disadvantage of Optical Fibre.

[showhide type=”links11″ more_text=”Show Answer” less_text=”Hide Answer”]

Ans. Advantage : Most efficient cable for computer network, transfer data with high speed.

Disadvantage : Most expensive and difficult installation.[/showhide]

Q12. Write two factors on which selection of transmission media depends.

[showhide type=”links12″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Selection of transmission media depends on the following:

1. Cost
2. Data transmission speed
3. Distance[/showhide]

Q13. Which of the following is short frequency wave.

1. Radiowave
2. Microwave
3. Infrared

[showhide type=”links13″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Infrared[/showhide]

Q14. Write the full form of the following:

1. AM
2. FM

[showhide type=”links14″ more_text=”Show Answer” less_text=”Hide Answer”]

Ans. AM : Amplitude Modulation,

FM : Frequency Modulation[/showhide]

Q15. Out of Microwave and Radiowave signals, which travels in a straight line?

[showhide type=”links15″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Microwave.[/showhide]

Q16. Which wireless medium is used by your TV remote?

[showhide type=”links16″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Infrared[/showhide]

Q17. Bluetooth is used to establish ___________.(PAN/LAN/MAN)

[showhide type=”links17″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. PAN[/showhide]

Q18. What is bluetooth technology?

[showhide type=”links18″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. It is a wireless technology used for creating personal networks with in a range of 10m.[/showhide]

Q19. Write the full form of Wi-Fi.

[showhide type=”links19″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Wi-Fi stands for Wireless Fidelity[/showhide]

Q20. Write one advantage of Satellite communication.

[showhide type=”links20″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. It covers a large geographical area.[/showhide]

Practice Questions of Computer Network -Test 3

Computer Network -Test 3

Q21. Write one disadvantages of Infrared.

[showhide type=”links21″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. It do not pass through solid object like wall.[/showhide]

Q22. What do you mean by cloud computing?

[showhide type=”links22″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Cloud computing means storing and accessing data on internet instead of our own’s computer’s hard drive.[/showhide]

Q23. Give two examples of public clouds.

[showhide type=”links23″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Google Drive, One Drive[/showhide]

Q24. Expand VPN

[showhide type=”links24″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Virtual Private Network[/showhide]

Q25. Expand IoT.

[showhide type=”links25″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Internet of Things[/showhide]

Q26. What is NIC?

[showhide type=”links26″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. NIC stands for Network Interface Card. This device helps the computer to connect to a network and communicate. It is also known as Ethernet Card.[/showhide]

Q27. Name two devices which helps to connect multiple computer together to form a network.

[showhide type=”links27″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Hub and Switch[/showhide]

Q28. Write one difference between Hub and Switch.

[showhide type=”links28″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Hub transfer the information to all the connected computer/nodes while Switch transfer the information only to the intended node.[/showhide]

Q29. Why switch is called intelligent hub?

[showhide type=”links29″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Switch is called intelligent hub as it transfer the data/information to intended node only.[/showhide]

Q30. What is repeater?

[showhide type=”links30″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. A repeater is a device which regenerates the signal and re-transmit the signal to it’s destination.[/showhide]

Practice Questions of Computer Network -Test 4

Computer Network -Test 4

Q31. What is gateway in reference to network.

[showhide type=”links31″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. A gateway is a device which helps to connect different network.[/showhide]

Q32. What is Router?

[showhide type=”links32″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. It is a device which sends the data from source computer to destination computer via shortest path.[/showhide]

Q33. Expand WAP.

[showhide type=”links33″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Wireless Access Point[/showhide]

Q34. Write one example of valid IP address.

[showhide type=”links34″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. 192.168.0.1 (it could be any other numbers from 0 to 255)[/showhide]

Q35. What is IP address?

[showhide type=”links35″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Every machine in a network has a unique 32bit address called IP address. It is represented by 4 numbers( 0 to 255) separated by dot(.) for example 162.2.3.100[/showhide]

Q36. IPv4 is a _____ bit address while IPv6 is a ______ bit address.

[showhide type=”links36″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. 32, 128[/showhide]

Q37. Expand DHCP

[showhide type=”links37″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Dynamic Host Communication Protocol[/showhide]

Q38. Write full form of DNS

[showhide type=”links38″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. DNS stands for Domain Name System[/showhide]

Q39. Identify the domain name from the given URL : http://www.CBSE.nic.in/welcome.htm

[showhide type=”links39″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Domain name is : www.CBSE.nic.in[/showhide]

Q40. What do you mean by Domain Name System?

[showhide type=”links40″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Domain Name System (DNS) is the system for mapping website names to numeric Internet Protocol (IP) addresses like a book index maps a topic name/chapter name to a specific page number.[/showhide]

Practice Questions of Computer Network -Test 5

Computer Network -Test 5

Q41. Write the full form of FDMA.

[showhide type=”links41″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. FDMA stands for Frequency Division Multiple Access[/showhide]

Q42. Expand CDMA

[showhide type=”links42″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Code Division Multiple Access[/showhide]

Q43. GSM stands for _________________________________________________________________

[showhide type=”links43″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Global System for Mobile Communication.[/showhide]

Q44. What do you mean by Wi-Fi

[showhide type=”links44″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. It stands for Wireless Fidelity. It is a technology used for wireless LAN.[/showhide]

Q45. Name two devices which can use wi-fi.

[showhide type=”links45″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Laptop, Smart Phone , Tablets, Digital Camera etc[/showhide]

Q46. VoLTE is a ___________________ technology.(Voice/Sound).

[showhide type=”links46″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Voice[/showhide]

Q47. What is Telnet?

[showhide type=”links47″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. It is a protocol which help a user to access remote computer.[/showhide]

Q48. What is FTP?

[showhide type=”links48″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. FTP stands for File Transfer Protocol. This protocol is used to transfer file from server to client computer.[/showhide]

Q49. SMTP stands for _________________________________________________

[showhide type=”links49″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Simple Mail Transfer Protocol[/showhide]

Q50. We have different protocols for sending and receiving mail.(T/F)

[showhide type=”links50″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. True[/showhide]

Practice Questions of Computer Network -Test 6

Q51. Which protocol is used for receiving mails?

[showhide type=”links51″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. POP (Post Office Protocol)[/showhide]

Q52. Write the full form of VoIP.

[showhide type=”links52″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Voice Over Internet Protocol.[/showhide]

Q53. Name the first computer network.

[showhide type=”links53″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. ARPANET [/showhide]

Q54. Network of Networks is called ________________.

[showhide type=”links54″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Internet.[/showhide]

Q55. Write full form of ISP.

[showhide type=”links55″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Internet Service Provider.[/showhide]

Q56. What is Interspace?

[showhide type=”links56″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. This software allows multiple users to communicating(Sending and receiving data files) with each other in client server architecture[/showhide]

Q57. Name two switching technique.

[showhide type=”links57″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Circuit Switching and Packet Switching[/showhide]

Q58. What do you mean by Circuit Switching?

[showhide type=”links58″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. In Circuit Switching a dedicated path/link established between sender and receiver. This method of switching is used in analog telephone lines.[/showhide]

Q59. Define the term Packet Switching.

[showhide type=”links59″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. In packet switching, the data is break down into several fragments of same size called packets. Each packet has a source and destination address. There is no physical connection established between sender and receiver.[/showhide]

Q60. Write two difference between Circuit and Packet Switching.

[showhide type=”links60″ more_text=”Show Answer” less_text=”Hide Answer”]Ans

Packet Switching	Circuit Switching
No physical Connection between sender and receiver	Physical Connection established between sender and receiver
No dedicated path for packets	Dedicated path for packets

[/showhide]

Practice Questions of Computer Network -Test 7

Q61. Which switching technique store and forward packets?

[showhide type=”links61″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Message Switching[/showhide]

Q62. What is bandwidth?

[showhide type=”links62″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. The maximum amount of data that can be transferred through communication channel at one time is called bandwidth[/showhide]

Q63. Bandwidth is measured in ___________________.

[showhide type=”links63″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Hertz[/showhide]

Q64. Which is bigger : 1KHz or 1MHz

[showhide type=”links64″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. 1MHz[/showhide]

Q65. Define channel in reference to data communication.

[showhide type=”links65″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. A path through which data is transferred from sender to receiver is called channel.[/showhide]

Q66. What do you mean by data transfer rate?

[showhide type=”links66″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. The amount of data transfer from sender to receiver at per unit time is called data transfer rate.[/showhide]

Q67. Data transfer rate is usually measured in ___________

[showhide type=”links67″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. bps(bits per second)[/showhide]

Q68. What is Kbps, Mbps, Gbps, Tbps?

[showhide type=”links68″ more_text=”Show Answer” less_text=”Hide Answer”]Ans.

• Kbps – Kilobits per Second
• Mbps – Megabits per Second
• Gbps – Gigabits per Second
• Tbps – Terabits per Second [/showhide]

Q69. 1 baud is equivalent to __________________

[showhide type=”links69″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. 1 bits per Second[/showhide]

Q70. What is Modem?

[showhide type=”links70″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Modem is short form of Modulator Demodulator. It is a device which convert digital signal to analog signal and vice versa.[/showhide]

Practice Questions of Computer Network -Test 8

Q71. Which jack is used to connect computers on LAN?

[showhide type=”links71″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. RJ-45[/showhide]

Q72. What is wi-fi card?

[showhide type=”links72″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. A wi-fi card has built in antenna. This card is used in desktop computers which will help user to connect with internet.[/showhide]

Q73. Define Topology.

[showhide type=”links73″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. The way of connecting several computer/devices in a network with each other is called topology.[/showhide]

Q74. What is start topology?

[showhide type=”links74″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. A topology in which each device/computer is connected with central hub/switch/server is called star topology.[/showhide]

Q75. Write two advantages of star topology.

[showhide type=”links75″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Two advantages of star topology are:

1. Installation is easy.
2. Removal or addition of node is easy in this topology[/showhide]

Q76. Write two disadvantages of star topology.

[showhide type=”links76″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Two disadvantages of star topology are :

1. Additional hardware is required.
2. If the central switch/server is not working then the entire network is down.[/showhide]

Q77. What is bus topology?

[showhide type=”links77″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. A topology in which all the nodes are connected to single cable is called bus topology. [/showhide]

Q78. Write two advantages of bus topology.

[showhide type=”links78″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Two advantages of bus topology are:

1. Installation is easy.
2. It requires less cable length as compared to star topology.[/showhide]

Q79. Write two disadvantages of bus topology.

[showhide type=”links79″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Two disadvantages of bus topology are :

1. The entire network will be down if there is a fault in backbone (main cable)
2. Identification of fault is difficult if the entire network is down.[/showhide]

Q80. What do you mean by Tree topology?

[showhide type=”links80″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. A tree topology is a combination of bus and star topology. It has an inverted tree structure.[/showhide]

Practice Questions of Computer Network -Test 9

Q81. Write two advantages of tree topology.

[showhide type=”links81″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Two advantages of tree topology are:

1. Fault identification is easy.
2. Nodes can be added easily[/showhide]

Q82. Define Communication media.

[showhide type=”links82″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. A transmission media through which data can be transferred between different devices of network.[/showhide]

Q83. Name two types of communication media.

[showhide type=”links83″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Guided media and unguided media[/showhide]

Q84. What do you mean by GSM?

[showhide type=”links84″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. GSM stands for Global System for Mobile Communication. It provides the user roaming facility, voice quality through digital signal.[/showhide]

Q85. Expand GPRS

[showhide type=”links85″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Global Packet Radio Services.[/showhide]

Q86. Name two services provided by GPRS.

[showhide type=”links86″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Two services provided by GPRS are :

1. Sending and receiving messages
2. High speed internet access[/showhide]

Q87. What is WLL?

[showhide type=”links87″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. WLL stands for Wireless in Local Loop. It provides user wireless phone facility to communicate with each other.[/showhide]

Q88. What is mobile processor?

[showhide type=”links88″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. A mobile processor is required to run an operating system. Processor provides necessary resources to run application and some other task.[/showhide]

Q89. Name two mobile processor.

[showhide type=”links89″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Qualcomm Snapdragon and apple mobile processor[/showhide]

Q90. Name two protocols used for email.

[showhide type=”links90″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. POP and SMTP[/showhide]

Practice Questions of Computer Network -Test 10

Q91. What do you mean by Video Conferencing?

[showhide type=”links91″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. It is a technology which help user to hold/conduct face to face meeting from remote places.[/showhide]

Q92. Name two software used for video conferencing.

[showhide type=”links92″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Skype, Zoom, Microsoft Teams, Google Meet are common software for Video Conferencing (Write any two)[/showhide]

Q93. IRC stands for ______________________________________

[showhide type=”links93″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Internet Relay Chat[/showhide]

Q94. Write one protocol for chat.

[showhide type=”links94″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. IRC (Internet Relay Chat)[/showhide]

Q95. Write protocols for video conferencing.

[showhide type=”links95″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. H.323 and SIP (Session Initiation Protocol)[/showhide]

Q96. Name a protocol used for transfer of voice data.

[showhide type=”links96″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. VoIP[/showhide]

Q97. Expand IMAP

[showhide type=”links97″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Internet Message Access Protocol.[/showhide]

Q98. Which provide fast internet access : 3G or 4G

[showhide type=”links98″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. 4G[/showhide]

Q99. Expand TDMA

[showhide type=”links99″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Time Division Multiple Access[/showhide]

Q100. PPP stands for ________________________

[showhide type=”links100″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Point to Point Protocol[/showhide]

Practice Questions of Computer Network -Test 11

Q101. What is Virus in Computer?

[showhide type=”links101″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. It is a malicious program that are created accidentally or intentionally to damage computer files and data.[/showhide]

Q102. Write two symptoms of virus in computer.

[showhide type=”links102″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Two symptoms are:

1. Computer frequently restarts on its own.
2. Speed of computer becomes slower.[/showhide]

Q103. What is worm in computer?

[showhide type=”links103″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. A worm is a self replicating program that spread itself from one computer to other computer in a network.[/showhide]

Q104. What is Trojan Horse in computer?

[showhide type=”links104″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. A Trojan Horse is a program which appears safe/harmless but it damages the computer on running application.[/showhide]

Q105. What do you mean by Spam?

[showhide type=”links105″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Unwanted bulk mail send by an unknown person to fill the space of computer (to make it slower) is called spam.[/showhide]

Q106. How spam can be avoided?

[showhide type=”links106″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Spam can be avoided by using Email Filtering or Spam traps.[/showhide]

Q107. What is cookie?

[showhide type=”links107″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. A cookie is a small piece of data which is stored in our computer by browser when we browse any website.[/showhide]

Q108. What is Firewall?

[showhide type=”links108″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. A Firewall is a software/hardware which protects our network from any unauthorized access.

Q109. Out of Virus, Worms and Trojans, which can not replicate itself?

[showhide type=”links109″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Trojans[/showhide]

Q110. Write the main purpose of virus, worm and trojan.

[showhide type=”links110″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. The main purpose are :

1. Virus : To modify the information
2. Worm : To eat the computer space.
3. Trojan : To steal information.[/showhide]

Practice Questions of Computer Network -Test 12

Q111. What do you mean by Cyber Law?

[showhide type=”links111″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Cyber law is also known as IT law which deals with computer and internet.[/showhide]

Q112. What is cyber crime?

[showhide type=”links112″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Any crime which is committed on internet is called cyber crime.[/showhide]

Q113. Expand IPR

[showhide type=”links113″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. IPR stands for Intellectual Property Rights.[/showhide]

Q114. Define Hacking.

[showhide type=”links114″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Hacking refers to unauthorized access of computer or network to steal information.[/showhide]

Q115. What is WWW?

[showhide type=”links115″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. It stands for World Wide Web which is a collection of web resources and web documents. It is commonly known as Web.[/showhide]

Q116. What is HTML?

[showhide type=”links116″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. HTML stands for Hypertext Markup Language which is used to create web pages.[/showhide]

Q117. What is the difference between HTML and XML

[showhide type=”links117″ more_text=”Show Answer” less_text=”Hide Answer”]Ans.

HTML	XML
It stands for Hypertext Markup Language	It Stands for Extensible Markup Language
It is not case sensitive	It is case sensitive

[/showhide]

Q118. Expand HTTP.

[showhide type=”links118″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. Hypertext Transfer Protocol[/showhide]

Q119. What do you mean by URL?

[showhide type=”links119″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. URL stands for Uniform Resource Locator which is a unique address of a webpage.[/showhide]

Q120. What is Web page?

[showhide type=”links120″ more_text=”Show Answer” less_text=”Hide Answer”]Ans. An HTML document is called web page.[/showhide]

Disclaimer : I tried to give you the correct Questions and Answers of “Computer Network ” , but if you feel that there is/are mistakes in the Questions or Answers of “Computer Network “ given above, you can directly contact me at csiplearninghub@gmail.com. Also Share your feedback so that I can give better content to you.