CH7-Netwk Reference Models and Standards

Question 1

Computers operate at this layer

Answer 1

Application - request and receive network services

Question 2

This layer handles data formatting and translation

Answer 2

Presentation - platform specific application formats translated

Question 3

This layer handles communication setup and teardown

Answer 3

Session -

Question 4

This layer uses port numbers as source and destination identifiers

Answer 4

Transport

Question 5

Routers operate at this layer

Answer 5

Network - 2 or more computers connected by a transmission medium

Question 6

Switches operate at this layer

Answer 6

Data link - manages access to network media and delivery of frames

Question 7

Hubs operate at this layer

Answer 7

Physical -

Question 8

This sublayer manages access to the physical medium

Answer 8

MAC (Media access control)

Question 9

This sublayer is responsible for error recovery

Answer 9

LLC (logical link control)

Question 10

This is the general framework for how networking systems should operate

Answer 10

OSI (Open systems interconnection) reference model