Paper 1 : Networks Flashcards
To understand how networks are built and operate.
What is a network?
A connection between nodes to share resources.
What are the two main types of networks?
LAN and WAN
What is a data packet?
Where data has been broken down and transported in a smaller chunk of that original data.
What happens when data packets reach their destination?
They are rebuilt.
What is a protocall?
A set of rules for how data should be transported across a network
What are 4 advantages of networks?
- Better communication
- Can share files
- Can share internet connection and resources
- Can access files anyware
What are 4 disadvantages of networks?
- Over dependence
- Hacking
- Can be expensive to set up and require expertise
- Viruses can be a problem
What does LAN stand for and what is it?
LAN stands for Local Area Network
It’s a network of computers which are all on the same site or building.
What does WAN stand for and what is it?
WAN stands for Wide Area Network
A network of LANS which are connected. They can be connected from multiples buildings or sites.
Give an example of a LAN.
A School, a house, an office or a business.
Give an example of a WAN.
The internet or a banking system.
What does VPN stand for and what is it?
Virtual Private Network.
A VPN is a network that is used to hide or secure data which is usually sensitive.
What does WPAN stand for and what is it?
Wireless Personal Area Network
A network that allows you to connect a device to a desktop machine like a phone to a car.
What are the three types of cables you could use for a wired network
- Ethernet
- Coaxial Cable
- Fibre Optic Cable
What’s an NIC?
Network Interface Card
Required for a computer to be part of a network.