Topic 3 - OSI & TCP/IP Models

Question 1

What are layers of the TCP/IP Model?

Answer 1

Application -> Transport -> Internet -> Network Access

Question 2

What is the process of going from layer 7 to 1 called?

Answer 2

Encapsulation

Question 3

What is the process of going from layer 1 to 7 called?

Answer 3

Unencapsulation

Question 4

What are 7 layers of OSI model (From 7 to 1)?

Answer 4

Application -> Presentation -> Session -> Transport -> Network -> Data-link -> Physical

Question 5

What does the transport layer do?

Answer 5

The transport layer takes data transferred in the session layer and breaks it into “segments” on the transmitting end. It is responsible for reassembling the segments on the receiving end, turning it back into data that can be used by the session layer.