CBSE Class 11 Informatics Technology Networking And Internet Worksheet

NETWORKING AND INTERNET

1. Give the full form of following terms:

(a) ARPANET   (b) LAN   (c) MAN   (d)WAN   (e) WWW   (f) TELNET   (g) IPR

2. Differentiate between the following:

(a) Bus and Star Topology       (b) Star and Tree Topology
(c) Star and Mesh Topology     (d) Ring and Bus Topology
(e) LAN and WAN                    (f) LAN and MAN
(g) MAN and WAN                   (h) Internet and WWW
(i) H acker and Cracker

3. What is the purpose of network devices? Explain following network devices.

(a) Bridge   (b) Router   (c) Repeater  (d) Switch     (e) Gateway

4. Which of the following listed acts arcomputer e cyber-crimes?

(a) Copying data from someone’s without his permission.
(b) Stealing someone’s device.
(c) Accessing one’s bank account for carrying online transactions.
(d) Modifying the official documents without permission.
(e) Creating a fake identity and posting on someone’s behalf.
(f) Sending friend request to someone on social networking site.

5. What is the difference between Email and Chat?

6. What are cookies?

7. Differentiate between firewall and antivirus. How both contribute to the security of the system?

8. Define protocol.

9. Explain TC P/IP Model.

10. What is the significance of cyber law?

11. How TELNET is used for remote login?

12. List the various security issues concerned with using Internet. Explain each of them by giving proper examples.

13. List various protective measures that can be taken for network security.

14. Define cyber-crime and cyber law.

15. Define social networking. List safe practices that should be followed on social networking.

16. Define Digital Literacy.

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