Written Lab 1.2: Defining the OSI Layers and Devices

Question 1

This layer creates a virtual circuit before transmitting between two end stations.

Answer 1

Transport

Question 2

Hardware addresses are defined at this layer.

Answer 2

Data Link (MAC sublayer)

Question 3

Ethernet is defined at these layers.

Answer 3

Data Link and Physical

Question 4

This device breaks up collision domains and broadcast domains.

Answer 4

Router

Question 5

This layer supports flow control, sequencing, and acknowledgments.

Answer 5

Transport

Question 6

This device creates many smaller collision domains, but the network is still one large broadcast domain.

Answer 6

Switch or bridge

Question 7

This device uses hardware addresses to filter a network.

Answer 7

Bridge or switch

Question 8

This device can measure the distance to a remote network.

Answer 8

Router

Question 9

This device sends and receives information about the Network layer.

Answer 9

Router

Question 10

This device creates one collision domain and one broadcast domain.

Answer 10

Hub

Question 11

Logical addressing is used at this layer.

Answer 11

Network

Question 12

This device can never run full-duplex.

Answer 12

Hub