24 Questions
What is the major function of the transport layer?
Provide reliable end-to-end service
What does TCP stand for?
Transmission Control Protocol
In a protocol architecture, how is the software structure typically organized?
As a layered set of protocols
Which model provides guidelines on how communication needs to be done?
OSI model
What is the main role of a router according to the OSI model?
Connect dissimilar networks
Which layer in the OSI model provides routing functionalities?
Network Access/ Data Link
Why is layering important in TCP/IP architecture?
To decompose subproblems into manageable tasks
Which layer in the TCP/IP model ensures that data is in a usable format and gets encrypted?
Application
Which layer is responsible for exchanging data between a computer and the network in the OSI model?
Network layer
In the OSI model, which layer transfers data between end points and may provide error control and flow control?
Transport
Which layer in the OSI/ISO model is responsible for ensuring data is in a usable format and gets encrypted?
Presentation
Which model is considered more practical because it laid out the standards on which the Internet was developed?
TCP/IP model
What is the main purpose of a communications system?
To exchange data between two parties
Which transport layer protocol, other than TCP, is mentioned to be used for some Internet traffic?
UDP
In a simplified communications model, what does the 'transmitter' do?
Transforms and encodes data for transmission
Which IP version is mentioned to be the most prevalent today?
IPv4
What is the de facto model for communication networks mentioned in the text?
TCP/IP Model
In the TCP/IP model, what are the PDUs at each layer known as?
Datagrams, Packets, Frames, Bits
Which layer in the OSI Model is responsible for transmission of bits?
Physical Layer
In the OSI Model, which layer isolates messages from lower and upper layers?
Transport Layer
According to the OSI Model, which layer establishes logical connections between systems?
Session Layer
Which layer in the TCP/IP Model contains the logic needed to support the various user applications Provide support for user applications?
Application Layer
In the OSI Model, which layer is responsible for routing messages through the network?
Network Layer
Which layer in the TCP/IP Model is responsible for the physical interface between a data transmission device and the network?
Network Access Layer/Data Link
Test your knowledge on networking layers and protocols with this quiz. Questions include the major function of the network access layer, tasks performed by the transport layer, and the definition of a protocol.
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