LAN-switches Flashcards
1
Q
hub
A
repeats all messages to every port. one collison domain. physical layer
2
Q
collison domain
A
how many devices can send of receive at once
3
Q
broadcast domain
A
how far a broadcast will go until it stops
4
Q
problem with CSMA/CD
A
the more devices you have, more devices listening and trying to send. limit to around 30 devices. switches solve this issue
5
Q
jam signal
A
collison detected. everybody stop, i need to resend my signal
6
Q
bridge device
A
two side device. learns peoples mac addresses on both sides of the network. only send messages across if needed. split your network into two collison domains. not as popular anymore
7
Q
switch device
A
- main point: every port has its own collison domain
- supports full-duplex transmission
- has to learn through ARP messages what port MAC addresses are on
- data link layer
8
Q
broadcast MAC address
A
all F’s
