17 Questions
What is the main purpose of dividing networks into layers?
To reduce design complexity
What is the primary function of the Session Layer?
Establishing dialogue between users on different machines
What is a protocol in the context of network communication?
A format or order of messages sent and received among net entities
Which service primitive is used to inform an entity about an event?
Indicate
What is an advantage of the layered model in network communication?
It makes it easier to teach communication processes
What is the main difference between Connection-Oriented and Connectionless services?
Establishment of a connection before data is sent
What is an example of a design issue that must be addressed in network communication?
How to prevent fast senders from swamping slow receivers
What is an interface in the context of network communication?
Defines which primitives and services the lower layer will offer to the upper layer
What is the primary concern of the Presentation Layer?
The syntax and semantics of the information
What is a reason why different hardware and software can work together in network communication?
Because of the layered model
What is the purpose of the Confirm primitive?
To inform an entity about the result of a request
What is the primary purpose of the OSI model?
To provide a theoretical blueprint for understanding data transfer
What is the main function of the Physical Layer in the OSI model?
Converting logical 1's and 0's into electrical signals
What is the primary function of the Network Layer in the OSI model?
Routing packets from source to destination
What is the benefit of using a reference model like the OSI model?
It serves as an outline of rules for protocol development
What is the main function of the Transport Layer in the OSI model?
Providing additional Quality of Service
What is an alternative reference model to the OSI model?
TCP/IP model
This quiz covers the basics of computer networks, including network architectures, protocol hierarchies, and services. It is based on the textbooks by Andrew S. Tanenbaum, James Kurose, and Bahrus.
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