16. What is the main function of a router in a network?
a) To provide storage
b) To provide power
c) To direct network traffic
d) To provide a user interface

17. What is the full form of ‘HTTP’?
a) Hyper Text Transfer Protocol
b) Hyper Text Transfer Process
c) Hyper Text Testing Protocol
d) Hyper Transfer Text Protocol

18. Which layer of the OSI model deals with routing?
a) Network Layer
b) Data Link Layer
c) Transport Layer

d) Session Layer

19. What does ‘FTP’ stand for in computer networking?
a) File Transfer Protocol
b) File Text Protocol
c) File Transfer Process
d) File Text Process

20. Which of the following is a type of network topology?
a) Circle
b) Star
c) Triangle
d) Square