1. Define the term 'computer network? What are its advantages? 2. List the types of computer networks based on the geographical area. 3. Give the advantages of optical fibre cables. 4. How is microwave transmission different from radiowave transmission? 5. What is a bus topology? 6. Give the use of the following network devices: a. switch b. router 7. Discuss some common threats to network security. 8. Give the significance of HTTPS protocol. 9. What is a firewall? 10. How has the mobile wireless communication technology evolved?
Answers
Answer:
1. Setting up a computer network is a fast and reliable way of sharing information and resources within a buisness.Main benifits of network include
File Sharing:You can easilyshare data between different users or acces it remotedly if you keep it on other connect ed devices.
2. Personal Area Network
Local Area Net work
Wireless Local Area Network
Wide Area Net work
Storage Area Network
4. microwave stand cover shorter distances on the contrary radio waves can travel long distances video bhej is usually propagated through sky mode why microwaves used uses the line site propagation . radio waves are commonly used in AM ,FM Cellular System etc.
5.A bus network is a network topology in which nodes are directly connected common half duplex link call a bus