1) How many types of transmission mode are there?
Correct Answer: 3
2) In which transmission mode data is transmitted in both direction but only one direction at a time?
Correct Answer: Half-duplex transmission mode
3) What is the full form of OSI model?
Correct Answer: Open system interconnection model
4) How many layers in OSI model?
Correct Answer: 7
5) In OSI model which layer is responsible for transmission data rate?
Correct Answer: Physical layer