Network Types Flashcards
What are the 3 classifications of network?
LAN, WAN and (PANs)
What is a LAN
Local Area Network
What is a WAN
Wide Area Network
What is a PAN
Personal Area Network
What do LANs do?
A LAN is a network that is geographically confined to one building or site
Who would use a LAN?
Schools, small businesses, collages, universities and homes
What do WANs do
Is a network spread over a large geographical area. It can cover more than one site and can even be spread across a whole country, or even the world
Who would use a WAN
Banks, Large Businesses
Is the Internet a WAN or LAN
WAN
What is a PAN
A network spread over a tiny geographical area
What is setting up a PAN known as?
A Bluetooth connection
What are WANS, LANS and PANS
Either Wired or Wireless networks
What is a wired network?
They are often identified by the use of a physical piece of wiring to connect devices
What are wired networks used for often
Normally in businesses or in a place where devices like PC’s will not move
What is a wireless network?
They use radio waves to carry signals. These signals are limited in range, which is normally 50m, but are due to interference
What could interfere with a wireless connection
Walls
What devices are WAP’s really meant for
Phones, as long as it is near the wireless access point (WAP)
Which Costs more - Wired or Wireless
Wired are more expensive to set up
Which one is harder to install, Wired or Wireless?
Wired
What are the maximum transmission speeds?
Wired = 1 gigabit per second, Wireless = 50 megabits per second
What is the maximum distance?
Wireless - No more than 50m
Wired - Up to 100m (2km with fibre optic)
Which is more secure?
Wired connections
LAN Hardware?
A NIC (Network Interface Card), A transmission medium and something to connect to
What is a NIC?
Network Interface Cards are what offers an interface port for a wired connection. A wireless NIC provides a radio waves
for connecting wirelessly.
Are modern computers NICs wired?
No, they tend to be wireless
What are the two Network connection devices
Switches and Routers
What is a switch
They are network devices that record which ports devices connect to. This improves network performance by cutting down on unnecessary transmissions from older style networks.
What are routers
Routers are one of the most commonly used connection devices. They use signals to send the data
What are advantages of using networks?
it allows you to share files and communicate, which would be useful for businesses in many countries
What are disadvantages of networks
The cost, risk of hacking and that it has to be managed
