Questions and Answers: Unit 4 : Web Application and Security
Questions and Answers Unit 4 | Web Application and Security Q1. Define networking? Ans. A computer network is a collection of computers that allow sharing of resources and information. Q2. Give any three advantages of networking. Ans. Three advantages of networking are : 1. Data Sharing: 2. Files Transfer 3. Hardware Sharing 4. Internet Access Sharing Q3. Explain the term packet with reference to data transfer. Ans. Data transfer over the network is divided into small segments called packet. Each packet is sent from one computer to another computer until it finds its destination. Q4. Explain Wifi and its significance. Ans. Wi-Fi stands for wireless fidelity. Wi-Fi is a popular technology that allows an electronic device such as computers or mobile phones to exchange data wirelessly over a network. Wi-Fi is used where cables cannot be run (such as old buildings, outdoor areas) to provide network and Internet access Q5. Compare LAN with WAN.