34 Questions
In the OSI model, which layers are combined into one Application Layer in the TCP/IP model?
Layers 5, 6, and 7
What responsibility is not taken by TCP/IP, leaving it to the underlying transport layer?
Sequencing and acknowledgment functions
What is a key difference between TCP/IP and OSI regarding their design purpose?
TCP/IP is protocol-independent, while OSI is protocol-specific
Which layers are mandatory to enable any data communication according to the text?
Layers 1, 2, and 3
How do most applications behave in terms of layer usage in the TCP/IP model?
They use all layers from 1-7
What does OSI model NOT do in comparison to TCP/IP?
OSI takes responsibility for sequencing and acknowledgment functions
Which organization created the TCP/IP model?
US Department of Defense
What is a distinguishing feature of OSI compared to TCP/IP in terms of its focus?
OSI concentrates on protocol-specific communication
Which layers from the OSI model are combined into the Network Access Layer in TCP/IP?
Layers 1 and 2
What role does TCP/IP play in data communication according to the text?
Solves specific communication problems through standard protocols
Which model was the first standard for network communications adopted by major computer and telecommunication companies in the early 1980s?
OSI model
Which layer of the OSI model is directly used by end-user software like web browsers and email clients?
Application Layer
What is the main function of the Presentation Layer in the OSI model?
Prepare data for the Application Layer
Which layer of the OSI model defines how two devices should encode, encrypt, and compress data for correct reception?
Presentation Layer
When was the OSI model introduced by representatives of major computer and telecom companies?
1983
Which protocol is NOT an example of an application layer protocol mentioned in the text?
Ethernet Protocol
What is the role of the presentation layer in the OSI model?
Preparing data for transmission over the session layer
Which layer is responsible for ensuring that sessions remain open and functional during data transfer in the OSI model?
Session Layer
What is the main function of the transport layer in the OSI model?
Flow control and error checking
Which layer of the OSI model is responsible for reassembling segments on the receiving end?
Transport Layer
What does the network layer use to route packets to a destination node in the OSI model?
Network addresses
In which layer of the OSI model does the data transfer resume from the last checkpoint if interrupted?
Session Layer
What is the main function of the data link layer in a network?
Break up packets into frames and send them from source to destination
Which part of the data link layer uses MAC addresses to connect devices?
Media Access Control (MAC)
What aspect does the OSI model help network device manufacturers with?
Create hardware and software for building networks
Which layer of the OSI model takes care of bit rate control?
Physical Layer
What does the Logical Link Control (LLC) part of the data link layer do?
Identify network protocols and perform error checking
What is the responsibility of the physical layer in a network?
Define the physical cable or wireless connection
In the TCP/IP model, which layers are combined into one Application Layer?
Layers 5, 6, and 7
Which layers are mandatory to enable any data communication in both the OSI and TCP/IP models?
Layers 1, 2, and 3
What is a distinguishing feature of the OSI model compared to TCP/IP in terms of its design purpose?
Generic and protocol-independent
Which organization created the TCP/IP model?
US Department of Defense
What does TCP/IP not take responsibility for in terms of sequencing and acknowledgement functions?
Transport Layer functions
How do most applications behave in terms of layer usage according to the text?
Use all seven layers
Explore the key differences between the data link layer and physical layer in computer networking. Learn about how they establish connections between nodes, handle packets, and use protocols like LLC and MAC addresses.
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