Definitions

Question 1

hub

Answer 1

a layer-1 device that simply receives a signal from one system and then sends the signal to all other ports on the device

Question 2

layer-2 address

Answer 2

the MAC address, or hardware address, that is assigned to the network card by the manufacturer

Question 3

switch

Answer 3

a layer-2 device that filters traffic by the layer-2 address of the devices plugged into its ports

Question 4

MAC address table

Answer 4

a table stored in memory on the switch and is responsible for tracking what ports each system is connected to (by MAC address)

Question 5

router

Answer 5

a layer-3 device of the OSI model that uses a routing table that resides in its memory to determine the networks that the router knows how to send data to

Question 6

OSI model

Answer 6

(open systems interconnection) - model that is responsible for routing, or sending, data from one network to another network