Layer 4 The Transport Layer

Question 1

What does the transport layer do ?

Answer 1

Manages end- to - end message delivery
-Source to destination

Provides error checking

• Ensures no duplication or errors during data transfer
• Messages arrive intact and in the correct order

Question 2

What does the transport layer do after it takes services from the network layer ? (Below)

Answer 2

The transport layer then provides services to the application layer (upper)

Question 3

What is segmentation of message ?

Answer 3

It’s accepting messages from session layer and passing it into the network layer

Splits message into packets

Question 4

What is session multiplexing ?

Answer 4

Uses one logical link

Tracks which messages belong to which sessions

Question 5

True or false message acknowledgement and traffic control is apart of the transport layer ?

Answer 5

True

Question 6

What is the transport layers flow control

Answer 6

It prevents Source device from sitting data packets at a faster rate than the destination can handle

Question 7

What is Error control in the transport layer

Answer 7

Ensures entire messages arrives without error

Question 8

Summarize transport layer

Answer 8

Layer 4 and it is the delivery method