Chapter1

Question 1

computer network

Answer 1

group of host devices designed to communicate

Question 2

host devices

Answer 2

hosts commincated and work together

Question 3

network devices

Answer 3

control and optimize communications between hosts

Question 4

logical address

Answer 4

same as IP,

Question 5

DNS server

Answer 5

gives out IP address of hosts, maintains table

Question 6

NIC physical adress

Answer 6

aka MAC address

Question 7

NIC

Answer 7

pretty much network card of host

Question 8

switch

Answer 8

used to segment a network into one collision domain per port. does NOT limit broadcast domain. keeps a table of MAC address and only sends message to one port

Question 9

collison

Answer 9

two packets sent at the same time on the same line

Question 10

collison domain

Answer 10

logical space where two packets can collide

Question 11

hub

Answer 11

multiplexed connection device. connect all seperate devices to one line

Question 12

repeater

Answer 12

hub that amplifies for longer distances

Question 13

bridge

Answer 13

pretty much same as a switch but uses software and is slower. rare nowadays

Question 14

broadcast domain

Answer 14

all nodes can reach each other by broadcast