Network Devices

Question 1

HUB

Answer 1

• Multi-port repeater

* Traffic going into one port is repeated to every other port

Question 2

Switch

Answer 2

• Bridging done in hardware

* Forwards traffic based on data link address

Question 3

Router

Answer 3

• Routes traffic between IP subnets
• Forwards traffic based on network address
• Routers inside of switches sometimescalled “layer 3 switches”

Question 4

Wireless access point (WAP)

Answer 4

• Bridges from wired network to wireless

* Makes forwarding decisions based on MAC address

Question 5

Modem

Answer 5

• Modulator/Demodulator

* Converts analog sounds to digital signals

Question 6

Patch panels

Answer 6

• Punch-down blocks and RJ-45 connectors
• Runs from desks are made once
• Patch panel to switch can be easily changed

Question 7

Firewall

Answer 7

• Filters traffic by IP, port number, or application

Question 8

Bridges

Answer 8

• they are used to divide network segments into multiple collision domains.
• Bridges isolate network traffic, preventing unwanted traffic from entering a segment when there are no recipients on that segment.