Computer networks Flashcards
1
Q
Describe LAN
A
Local area network
- consist a number of computers and devices
- one of the hubs or switches will be connected to router and modem to allow LAN connect to Internet
2
Q
Pros of using LAN
A
- sharing of resources
- communication between users
- network administrator can monitor all aspects of network
3
Q
Cons of LAN
A
- easier spread of viruses throughout the whole network
- increase security risk
- slower access to external networks
4
Q
Describe WLANs
A
do not involve any wiring or cabling
- provides wireless network connection overs a short distance
5
Q
Advantages of WLAN
A
- no cabling is involved
- system is more flexible
- adding new computer and devices is easy
6
Q
Disadvantages of WLAN
A
- security is an issue
- problems and interference can affect the signal
- data transfer is slow than in the wired LAN
