21. Which protocol is used for web browsing?
a) HTTP
b) FTP
c) SMTP
d) SNMP

22. What is the full form of ‘LAN’?
a) Large Area Network
b) Local Area Network
c) Large Access Network
d) Local Access Network

23. Which device is used to connect different networks?
a) Hub
b) Switch
c) Router
d) Repeater

24. What does ‘TCP’ stand for in TCP/IP?
a) Transmission Control Protocol
b) Transfer Control Protocol
c) Transmission Control Process
d) Transfer Control Process

25. Which of the following is a wireless communication technology?
a) Bluetooth

b) Ethernet
c) Coaxial Cable
d) Optical Fiber

26. Consider a scenario where you are setting up a network for a small office. Which typeof network would be the most cost-effective and efficient solution?
a) PAN
b) LAN
c) MAN
d) WAN

27. In the context of the OSI model, why is it important for the Transport layer to bereliable?
a) It ensures data is delivered in the correct order
b) It prevents data loss during transmission
c) It manages data flow control
d) All of the above

28. Why is it important to consider network topology when designing a network?
a) It determines the physical layout of the network
b) It affects the cost of the network
c) It impacts the performance and reliability of the network
d) All of the above

29. Why is it important to use different network protocols in a network?
a) It allows different types of data to be transmitted
b) It ensures compatibility between different devices
c) It provides different levels of security
d) All of the above

30. What is the full form of OSI?
a) Operating Static Internet
b) Open Systems Interconnection
c) Operating System Interface
d) Open Statutory Interface