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OSI Model Layers and Data Encapsulation Concepts
Questions | Accurate & Verified Answers to Pass
Actual Exam
What is the OSI model?
Ans: The OSI model defines the functions of a networking system and
characterizes computing functions.
How many layers are there in the OSI model?
Ans: There are a total of seven layers in the OSI model.
Assignment Expert
What is the first layer of the OSI model?
Ans: The Physical layer.
Guru01 - Stuvia
What is the primary responsibility of the Physical layer?
Ans: It is responsible for sending digital bits from the source to the
destination device.
2026
What components are included in the Physical layer?
©
Ans: Cables, connectors, network interface cards (NICs), repeaters, and
hubs.
What does the Physical layer do with bits?
Ans: It encodes and decodes bits into electrical impulses made up of 1s
and 0s.
What is the second layer of the OSI model?
Ans: The Data Link layer.
What is the main function of the Data Link layer?
Ans: It is responsible for communication between the Network layer and
the Physical layer.
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What are the two sublayers of the Data Link layer?
Ans: Logical Link Control (LLC) and Media Access Control (MAC)
sublayers.
What does the LLC sublayer determine?
Ans: Whether the communication is connection-oriented or
connectionless.
How does the Data Link layer communicate with other layers?
Ans: It can communicate with the layer above or below it.
Assignment Expert
What does the Data Link layer create when sending information?
Ans: It creates frames and adds physical addresses.
Guru01 - Stuvia
What is the role of frames in the Data Link layer?
Ans: Frames determine the data structure for the network.
2026
What happens to bits on a wired network?
Ans: They are converted into electrical signals.
©
What happens to bits on a wireless network?
Ans: They are converted into electromagnetic waves.
What is the purpose of the OSI model in networking?
Ans: It ensures that different systems can communicate by providing a
common framework.
What is the significance of the Application layer in the OSI model?
Ans: It is the topmost layer that interacts with end-user applications.
What is the role of the Transport layer in the OSI model?
Ans: It is responsible for end-to-end communication and data flow
control.
OSI Model Layers and Data Encapsulation Concepts
Questions | Accurate & Verified Answers to Pass
Actual Exam
What is the OSI model?
Ans: The OSI model defines the functions of a networking system and
characterizes computing functions.
How many layers are there in the OSI model?
Ans: There are a total of seven layers in the OSI model.
Assignment Expert
What is the first layer of the OSI model?
Ans: The Physical layer.
Guru01 - Stuvia
What is the primary responsibility of the Physical layer?
Ans: It is responsible for sending digital bits from the source to the
destination device.
2026
What components are included in the Physical layer?
©
Ans: Cables, connectors, network interface cards (NICs), repeaters, and
hubs.
What does the Physical layer do with bits?
Ans: It encodes and decodes bits into electrical impulses made up of 1s
and 0s.
What is the second layer of the OSI model?
Ans: The Data Link layer.
What is the main function of the Data Link layer?
Ans: It is responsible for communication between the Network layer and
the Physical layer.
, 2 for specific request mail
What are the two sublayers of the Data Link layer?
Ans: Logical Link Control (LLC) and Media Access Control (MAC)
sublayers.
What does the LLC sublayer determine?
Ans: Whether the communication is connection-oriented or
connectionless.
How does the Data Link layer communicate with other layers?
Ans: It can communicate with the layer above or below it.
Assignment Expert
What does the Data Link layer create when sending information?
Ans: It creates frames and adds physical addresses.
Guru01 - Stuvia
What is the role of frames in the Data Link layer?
Ans: Frames determine the data structure for the network.
2026
What happens to bits on a wired network?
Ans: They are converted into electrical signals.
©
What happens to bits on a wireless network?
Ans: They are converted into electromagnetic waves.
What is the purpose of the OSI model in networking?
Ans: It ensures that different systems can communicate by providing a
common framework.
What is the significance of the Application layer in the OSI model?
Ans: It is the topmost layer that interacts with end-user applications.
What is the role of the Transport layer in the OSI model?
Ans: It is responsible for end-to-end communication and data flow
control.
