Computer Networks OSI Reference Model Interview MCQ Questions and Answers 1

Study and learn Interview MCQ Questions and Answers on OSI Reference Model Layers of Computer Networking. It covers all 7 layers of the OSI model like Physical Layer, Data Link Layer, Network Layer, Transport Layer, Session Layer, Presentation Layer and Application Layer. Attend job interviews easily with these Multiple Choice Questions. You can print these Questions in default mode to conduct exams directly. You can download these MCQs in PDF format by Choosing Print Option first and Save as PDF option next using any Web Browser.



1) 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
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2) 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
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3) How many layers are there in the OSI reference model of networking?
A) 5
B) 6
C) 7
D) 8
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4) Each layer of the OSI model receives services or data from a ___ layer.
A) below layer
B) above layer
C) -
D) -
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5) In the OSI model, each layer gives services or data to the __ layer.
A) below
B) above
C) -
D) -
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6) 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
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7) 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.
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8) In an OSI model, the lowest layer is the ___ layer.
A) Application Layer
B) Physical Layer
C) Presentation Layer
D) Data Link Layer
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9) In the OSI model, which is the highest layer?
A) Application Layer
B) Physical Layer
C) Presentation Layer
D) Network Layer
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10) In the OSI model, the bottom 3 layers assist in ___.
A) converting data
B) transporting data
C) -
D) -
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11) 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
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12) 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.
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13) 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
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14) The physical layer involves ___
A) Optical, electrical and mechanical properties
B) Voltage levels, timing and frequency
C) Physical connections
D) All the above
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15) 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
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16) An ethernet cable is part of __ layer in the OSI model.
A) Physical layer
B) Data Link Layer
C) Network Layer
D) Transport Layer
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17) 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
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18) 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
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19) 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
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20) 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
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