1) What is the use of modem?
Correct Answer: Connecting to internet
2) Repeater works on which layer of OSI model?
Correct Answer: Layer 1
3) Which of the following network device amplify the input signal?
Correct Answer: Repeater
4) Which of the following is a network component?
Correct Answer: Gateway
5) Mostly switch works on which layer of OSI model?
Correct Answer: Layer 2