OSI Model

Question 1

Physical Layer

Answer 1

Layer 1- the mechanical, electrical, functional…physical connections for a bit transmission to and from a network device.

Question 2

Data Link Layer

Answer 2

Layer 2- methods for exchanging data frames between devices over a common media

Question 3

Network Layer

Answer 3

Layer 3- provides services to exchange the individual pieces of data over the network between identified end devices

Question 4

Transport Layer

Answer 4

Layer 4- defines services to segment, transfer, and reassemble the data for individual communications between the end devices.

Question 5

Session Layer

Answer 5

Layer 5 - provides services to the presentation layer to organize its dialogue and to manage data exchange.

Question 6

Presentation Layer

Answer 6

Layer 6- provides for common representation of the data transferred between application layer services.

Question 7

Application Layer

Answer 7

Layer 7- contains protocols used for process-to-process communications.