network and security Flashcards
1
Q
what is lan
A
local area network covering a small geographical area
2
Q
what is a wan
A
wide area network covering a large geographical area
3
Q
what is a pan
A
personal area network connected around 1 device
4
Q
what is an advantage of star topologies
A
simple to add more devices.
fewer data collision
5
Q
disadvantage of star topologies
A
expensive
switch is expensive
6
Q
advantages of bus
A
unaffected if device fail
cheap
7
Q
disadvantage of bus
A
data collision common
if main cable fails everything fails
8
Q
advantage of network
A
file sharing
hardware sharing
level of access
9
Q
disadvantage of network
A
can break down
cost
hacking
10
Q
what is malware ?
A
malicious software
11
Q
name 3 security measures
A
mac address filtering
password
biometric
