ISO & TCP Layers

Question 1

Application Layer

Answer 1

Data
Provide network access to applications.

Links with the TCP Application Layer

Question 2

Presentation Layer

Answer 2

Data
Presents the data to the user
Generic Encryption Services

TCP - Application Layer

Question 3

Session Layer

Answer 3

Data
Starts and Ends sessions

TCP - Application layer

Question 4

Transport Layer

Answer 4

Segments
Dictates how data is sent
Defines ports

TCP - Transport Layer

Question 5

Network Layer

Answer 5

Packets
Provide logical addressing - IP addressing
Finds best path to a destination

TCP - Internet

Question 6

Data Link Layer

Answer 6

Frames
Provides Physical Addressing - MAC address
Ensures data is error free

TCP - Network Interface

Question 7

Physical Layer

Answer 7

Bits
Provides access to the cable

TCP - Network Interface