Section 1

Question 1

What are the 7 layers of the OSI model?

Answer 1

Physical

Data Link

Network

Transport

Session

Presentation

Application

Question 2

What layer does a switch belong to?

Answer 2

Layer 2 - Data Link

Forwards traffic based on data link address

High bandwidth

Question 3

What Layer does a router belong to?

Answer 3

Layer 3 - Network

Often connects diverse network types ex. lan,wan,fiber

Question 4

What Layer does a firewall belong to?

Answer 4

Layer 4 transport

Can filter through OSI layer 7

can encrypt traffic into/out of the network

can proxy traffic.