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Questions and Answers
What is the primary function of the transport layer in the OSI model?
What is the primary function of the transport layer in the OSI model?
- Ensuring secure communication between devices
- Managing the network infrastructure
- Overseeing the delivery of data from one application program to another (correct)
- Providing physical addressing for data transmission
What is one of the services provided by transport layer protocols?
What is one of the services provided by transport layer protocols?
- Data encryption
- Physical addressing
- Reliable delivery (correct)
- Network routing
How does the transport layer differ from the data link layer?
How does the transport layer differ from the data link layer?
- The transport layer provides services across an internetwork made of many networks, while the data link layer operates within a single network (correct)
- The transport layer ensures reliable delivery, while the data link layer focuses on multiplexing
- The transport layer focuses on physical addressing, while the data link layer focuses on end-to-end delivery
- The transport layer controls only one lower layer, while the data link layer controls all three lower layers
What is the ultimate goal of the transport layer?
What is the ultimate goal of the transport layer?
Which entities does the transport layer deal with in its operations?
Which entities does the transport layer deal with in its operations?
Flashcards
What's the main job of the transport layer?
What's the main job of the transport layer?
The transport layer ensures data is delivered correctly between applications on different computers.
Reliable delivery: What service does the transport layer provide?
Reliable delivery: What service does the transport layer provide?
The transport layer guarantees that data arrives without errors or loss, even if there's network trouble.
How does the transport layer differ from the data link layer?
How does the transport layer differ from the data link layer?
The transport layer connects computers across multiple networks, while the data link layer focuses on just one network.
What's the ultimate goal of the transport layer?
What's the ultimate goal of the transport layer?
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Who does the transport layer work with?
Who does the transport layer work with?
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Study Notes
Primary Function of the Transport Layer
- Manages end-to-end communication between devices across a network.
- Ensures reliable data transfer by providing error detection and recovery.
Services Provided by Transport Layer Protocols
- Offers flow control to manage the rate of data transmission, preventing congestion.
- Facilitates segmentation and reassembly of large messages into manageable packets.
Differences Between Transport Layer and Data Link Layer
- Transport layer operates at a broader level, providing services to applications across networks, while data link layer manages communications between directly connected devices on the same network.
- Transport layer is concerned with end-to-end delivery, while the data link layer deals with physical addresses and control of physical media.
Ultimate Goal of the Transport Layer
- To ensure reliable and efficient data transmission between devices, ultimately delivering data accurately and in the correct order.
Entities Dealt with by the Transport Layer
- Interacts with application layer protocols to facilitate communication between different software applications.
- Engages with the network layer to transmit segments to the destination host effectively.
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