Question: 1. What is the difference between circuit switching and packet switching? 2. Explain the OSI model and its seven layers. 3. What is an IP

1. What is the difference between circuit switching and packet switching?

2. Explain the OSI model and its seven layers.

3. What is an IP address, and what are its types?

4. What is the difference between TCP and UDP?

5. What is DNS, and how does it work?

6. What are network topologies? Explain any three.

7. What is NAT (Network Address Translation), and why is it used?

8. Explain the working of the ARP (Address Resolution Protocol).

9. What is the difference between Unicast, Multicast, and Broadcast?

10. What is a firewall, and how does it protect a network?

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answer 1 Circuit Switching Establishes a dedicated communication path between sender and receiver before transmitting data It remains reserved for the entire session eg telephone networks Packet Switc... View full answer

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