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Questions and Answers
What is the OSI model?
What is the OSI model?
The OSI model is a conceptual model created by the International Organization for Standardization to enable diverse communication systems to communicate using standard protocols.
Which layer of the OSI model is closest to the end user?
Which layer of the OSI model is closest to the end user?
The Application Layer (Layer 7) is the closest to the end user.
What does the Presentation Layer in the OSI model do?
What does the Presentation Layer in the OSI model do?
The Presentation Layer prepares or translates data between application and network formats.
How many layers are there in the OSI model?
How many layers are there in the OSI model?
Give an example of an application that operates at Layer 7 of the OSI model.
Give an example of an application that operates at Layer 7 of the OSI model.
What organization created the OSI model?
What organization created the OSI model?
What layer of the OSI model represents the electrical and physical characteristics of a system?
What layer of the OSI model represents the electrical and physical characteristics of a system?
When troubleshooting a networking problem, why do many professionals check the physical layer first?
When troubleshooting a networking problem, why do many professionals check the physical layer first?
Define encapsulation in networking.
Define encapsulation in networking.
Where does the encapsulation process take place - in the sending or receiving computer?
Where does the encapsulation process take place - in the sending or receiving computer?
What are the terms used to represent encapsulated data before and after the data in networking models?
What are the terms used to represent encapsulated data before and after the data in networking models?
In which model do the terms encapsulation and de-encapsulation play a role in adding and removing protocol information?
In which model do the terms encapsulation and de-encapsulation play a role in adding and removing protocol information?
What is the main function of the Session Layer in the OSI model?
What is the main function of the Session Layer in the OSI model?
Which layer in the OSI model deals with the coordination of data transfer between end systems and hosts?
Which layer in the OSI model deals with the coordination of data transfer between end systems and hosts?
What is the best-known example of a protocol at the Transport Layer?
What is the best-known example of a protocol at the Transport Layer?
At which layer of the OSI model do TCP and UDP port numbers operate?
At which layer of the OSI model do TCP and UDP port numbers operate?
What is the main responsibility of the Network Layer in the OSI model?
What is the main responsibility of the Network Layer in the OSI model?
What are the two sublayers of the Data Link Layer in the OSI model?
What are the two sublayers of the Data Link Layer in the OSI model?
