networks Flashcards
1
Q
LAN?
A
Local Area Network
connects devices together in a network
2
Q
WAN?
A
Wide Area Network
connects LANS from different geographical locations
eg: the internet
3
Q
what affects performance of networks?
A
bandwidth: amount of data that can be transferred at a given time
4
Q
what does a router do?
A
transmits data between networks through packets
5
Q
what does a switch do?
A
connects devices on a LAN
6
Q
fibre optic cable?
A
transmits data through light
high performance
expencive
7
Q
ethernet cable?
A
used to connect devices in a LAN
4 twisted copper wires
8
Q
wireless?
A
uses wireless access point (WAP)
like a switch
9
Q
star topology?
A
all devices connect to the centre
10
Q
mesh topology?
A
devices connect to eachother with no switch
