Question

1. Define LAN and WLAN. 2. How the data is to be send in the network in the form of packet? 3. Write and explain the single and multiuser internet access. 4. What is the use of firewall? Define software and hardware firewall. 5. Explain the process of encryption and decription. 6. Define website security. How we can ensure that the website is secure or not? 7. Define the following terms a. Router b. TCP/IP c. Network Address d. Hub e. Client f. Server g. UPS h. Cipher Key​

Answer 1

Answer:

1) A local area network is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus or office building.

A wide area network is a telecommunications network that extends over a large geographic area for the primary purpose of computer networking.

2)