NCERT Class 12 Informatics Practices Chapter 5 Answer English Medium | Internet and Web

Chapter 5

Internet and Web

Exercise

1. Fill in the blanks:

a) To transmit data for sharing on a network, it has to be divided into smaller chunks called __________.

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b) The set of rules that decide the functioning of a network is called ___.

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c) A LAN can be extended up to a distance of _ km.

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d) The __________ connects a local area network to the internet.

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e) The _ topology is of hierarchical nature.

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f) ________ is a standard naming convention used for accessing resources over the Internet.

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g) __ is a collection of related web pages.

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h) A _ is a computer that provides services to other programs or computers.

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2. Expand the following:

a) ARPANET

b) ISP

c) URL

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3. Name the device for the following:

a) It stands for Modulator Demodulator

b) It regenerates the signals.

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4. Differentiate between:

a) MAN and WAN

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b) Website and web page

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c) Router and Gateway

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d) Bus and Star topology

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e) Static and Dynamic web pages

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5. Define a network. What is the need of forming a network?

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6. Give any two examples of networks.

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7. Give any three applications on the Internet.

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8. Name any two mail service providers.

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9. Explain VoIP.

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10. What is DNS?

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11. Identify the type of topology from the following:

a) Each node is connected with the help of a single cable.

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b) Each node is connected with central switching through independent cables.

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12. Sahil, a Class X student, has just started understanding the basics of Internet and web technologies. He is a bit confused in between the terms “World Wide Web” and “Internet”. Help him in understanding both the terms with the help of suitable examples of each.

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13. Murugan wants to send a report on his trip to the North East to his mentor. The report contains images and videos. How can he accomplish his task through the Internet?

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14. Mampi is planning to open a company that deals with rural handicrafts. She wants to advertise about handicrafts on a social platform. Which Internet service she should use and why?

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15. Ruhani wants to edit some privacy settings of her browser. How can she accomplish her task?

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16. Shubham wants to play a video in his browser but he is not able to do so. A message on the screen instructs him to install the Adobe Flash Player plugin. Help him to add it in his browser.

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17. When Joe typed a URL in the address bar of his browser, Error 404 was displayed? Why did this happen? What can be done to avoid it?

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