1) Which of the following network devices are operated at the physical layer of the OSI model?
- Hub
- Repeater
- Modems
- All the above
Correct answer: 4
All the above
Explanation:
All the given networks devices are operated at the physical layer of the OSI model.
2) In which layer of OSI, Network Interface Card is used?
- Data Link Layer
- Network Layer
- Physical Layer
- Transport Layer
Correct answer: 1
Data Link Layer
Explanation:
The NIC is used at the data link layer.
3) In which layer of OSI, Network topologies are used?
- Data Link Layer
- Network Layer
- Physical Layer
- Transport Layer
Correct answer: 3
Physical Layer
Explanation:
The network topologies are used at the physical layer of the OSI model.
4) Which layer of the OSI model is responsible for framing?
- Data Link Layer
- Network Layer
- Physical Layer
- Transport Layer
Correct answer: 1
Data Link Layer
Explanation:
The data link layer is responsible for framing.
5) Which layer of the OSI model is responsible for routing?
- Data Link Layer
- Network Layer
- Physical Layer
- Transport Layer
Correct answer: 2
Network Layer
Explanation:
The network layer is responsible for routing.