MCQOPTIONS
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MCQOPTIONS
This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Networking knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which is the layer that converts Raw Bits to Frames and Frames to Raw Bits in the OSI model? |
| A. | Physical Layer |
| B. | Data Link Layer |
| C. | Network Layer |
| D. | Transport Layer |
| Answer» C. Network Layer | |
| 2. |
Which is the layer that converts Packets to Frames and Frames to Packets in the OSI model? |
| A. | Physical Layer |
| B. | Data Link Layer |
| C. | Network Layer |
| D. | Transport Layer |
| Answer» D. Transport Layer | |
| 3. |
Which is the layer of the OSI reference model that employs Error Detection? |
| A. | Physical Layer |
| B. | Data Link Layer |
| C. | Network Layer |
| D. | Session Layer |
| Answer» C. Network Layer | |
| 4. |
The protocols working in the physical layer of the OSI Model are ___. |
| A. | USB, Bluetooth, IEEE 802.3, IEEE 802.11, IEEE 802.15, IEEE 802.16 |
| B. | POTS, PDH, SONET, SDH, PON, OTN, DSL, ITU-T V series, ITU-T G.hn PHY |
| C. | I.430, I.431, EIA/TIA-232, EIA/TIA-449 |
| D. | All the above |
| Answer» E. | |
| 5. |
An ethernet cable is part of __ layer in the OSI model. |
| A. | Physical layer |
| B. | Data Link Layer |
| C. | Network Layer |
| D. | Transport Layer |
| Answer» B. Data Link Layer | |
| 6. |
The transmission media like ___ are part of the Physical layer of OSI model. |
| A. | Copper cables |
| B. | OFC - Optical Fiber Cables |
| C. | RF - Radio Frequency waves including Microwaves |
| D. | All the above |
| Answer» E. | |
| 7. |
The physical layer involves ___ |
| A. | Optical, electrical and mechanical properties |
| B. | Voltage levels, timing and frequency |
| C. | Physical connections |
| D. | All the above |
| Answer» E. | |
| 8. |
The layer that transmits data in the form of bit streams using electrical and mechanical systems is ___ in the OSI model. |
| A. | Physical layer |
| B. | Data Link Layer |
| C. | Network Layer |
| D. | Transport Layer |
| Answer» B. Data Link Layer | |
| 9. |
A set of standards that define how to communicate with each layer of the OSI model are ___. |
| A. | functions |
| B. | protocols |
| C. | data formats |
| D. | All the above. |
| Answer» E. | |
| 10. |
What are the advantages of 7 layers of OSI model? |
| A. | Troubleshooting the network is easy. |
| B. | Developing new functions or services for a particular layer is easy. |
| C. | Developing hardware devices targetting certain layers is easy because the services to be offered are fixed. |
| D. | All the above |
| Answer» E. | |
| 11. |
In the OSI model, the bottom 3 layers assist in ___. |
| A. | converting data |
| B. | transporting data |
| C. | - |
| D. | - |
| Answer» C. - | |
| 12. |
In the OSI model, which is the highest layer? |
| A. | Application Layer |
| B. | Physical Layer |
| C. | Presentation Layer |
| D. | Network Layer |
| Answer» B. Physical Layer | |
| 13. |
In an OSI model, the lowest layer is the ___ layer. |
| A. | Application Layer |
| B. | Physical Layer |
| C. | Presentation Layer |
| D. | Data Link Layer |
| Answer» C. Presentation Layer | |
| 14. |
Choose the correct layer numbers and names of the OSI model below. |
| A. | Layer 7 - Application Layer, Layer 6 - Presentation Layer |
| B. | Layer 5 - Session Layer, Layer 4 - Transport Layer |
| C. | Layer 3 - Network Layer, Layer 2 - Data Link Layer, Layer 1 - Physical Layer |
| D. | All the above. |
| Answer» E. | |
| 15. |
A layer of the OSI model on one system communicates with the ___ layer of its peer system. |
| A. | above |
| B. | below |
| C. | same |
| D. | None |
| Answer» D. None | |
| 16. |
In the OSI model, each layer gives services or data to the __ layer. |
| A. | below |
| B. | above |
| C. | - |
| D. | - |
| Answer» C. - | |
| 17. |
Each layer of the OSI model receives services or data from a ___ layer. |
| A. | below layer |
| B. | above layer |
| C. | - |
| D. | - |
| Answer» B. above layer | |
| 18. |
How many layers are there in the OSI reference model of networking? |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | 8 |
| Answer» D. 8 | |
| 19. |
Who developed standards for the OSI reference model? |
| A. | ANSI - American National Standards Institute |
| B. | ISO - International Standards Organization |
| C. | IEEE - Institute of Electrical and Electronics Engineers |
| D. | ACM - Association for Computing Machinery |
| Answer» C. IEEE - Institute of Electrical and Electronics Engineers | |
| 20. |
The acronym OSI stands for ____ in computer networking. |
| A. | Organization for Standards Institute |
| B. | Open Systems Interconnection |
| C. | Organizing Systems Interconnection |
| D. | Open Systems Interworking |
| Answer» C. Organizing Systems Interconnection | |