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Networking | OSI Model Aptitude Questions and Answers | Set 3
Networking | OSI Model Aptitude Questions and Answers | Set 3: This section contains aptitude questions and answers on Networking | OSI Model.
Submitted by Nidhi, on April 25, 2020
Networking OSI Model Aptitude Questions and Answers (Set 3)
1) Which layer of the OSI model is responsible for bit synchronization?
- Data Link Layer
- Network Layer
- Physical Layer
- Transport Layer
Correct answer: 3
Physical Layer
Explanation:
The physical layer is responsible for bit synchronization.
2) Which layer of the OSI model is responsible for segmentation and reassembly?
- Data Link Layer
- Network Layer
- Physical Layer
- Transport Layer
Correct answer: 4
Transport Layer
Explanation:
The transport layer is responsible for segmentation and reassembly.
3) What are the correct sub-layers of the data link layer?
- Media Access Control
- Logical Link Layer
- Both of the above
- None of the above
Correct answer: 3
Both of the above
Explanation:
The MAC and LLC are sub-layers of data link layers.
4) Which layer of the OSI model is responsible for encryption and decryption?
- Session Layer
- Network Layer
- Presentation Layer
- Transport Layer
Correct answer: 3
Presentation Layer
Explanation:
The presentation layer is responsible for encryption and decryption.
5) On which layer switch and bridge are operated?
- Session Layer
- Network Layer
- Presentation Layer
- Data Link Layer
Correct answer: 4
Data Link Layer
Explanation:
The switch and bridge are operated at the data link layer.