Networks Flashcards
Give 3 advantages of networks
- Security can be centrally managed
- PC’s can communicate with other PC’s
- Users can work from any PC
- All PC’s can be centrally managed
- Back-ups can be done centrally
Give disadvantages of networks
- Viruses and Malware
- Set-up costs
- Running costs
What does WAP stand for?
Wireless Access Point
Name the 3 topologies
Ring, Star, Bus
What does LAN stand for and what does it do?
Local Area Network, covers a small area
What does WAN stand for and what does it do?
Wide Area Network - covers a large area, multiple networks all joined
Which is cheaper; LAN or WAN?
LAN
What is a packet?
Information for a site or email that is broken up into fixed-sized packets.
What is in a packet?
A piece of the actual information that we want to send/receive for that page and some extra helping information to check for any errors when loading a page
What is a protocol?
A set of rules that communication equipment must adhere to when sending data to each other
What is IP Addressing?
A unique address each PC has so that computers can communicate with one another
What does ‘MAC’ in MAC Addressing stand for?
Media Access Control
What is MAC Addressing?
A number fixed to the Network Interface Card which can identify the equipment as a network when the equipment is connected to a network
What is the Internet?
A set of networks (WAN or LAN) connected together using telecommunication facilities
What is bandwidth?
The volume of data sent or received in 1 second
