Flashcards
Unit 1 Network Revision
Cards in this deck (15)
- 1A network that spans a small geographical area.LAN- Local Area Network
- 2A network that spans a large geographical area.WAN- Wide Area Network.
- 3Give an advantage of using a network.You can log on to any computer in the school using the same username and password.Your files are available on every computer you use, even if you created them on a different computer 'You can print, use the Internet, email and use the same software on any computer.
- 4Give a disadvantage of using a network.Expensive – extra hardware and wiring needed
More room for error – if something goes wrong it can affect every computer
Difficult – it requires a technical expertise
Malware – viruses and other malicious software can spread through the network - 5What is a network topology?A Network Topology is the layout of computers and other elements of a network.
- 6A topology that has all the devices connected by one wire.Bus Topology
- 7What is a Ring Topology?A Ring Topology is where computers are connected to each other in a ring.
- 8A topology where all computers are connected to one switch with separate wires.A Star Topology.
- 9What does IP address mean?IP Address means Internet Protocol Address.
- 10What must an IP Address be?Each IP Address must be unique to prevent it from going to the wrong recipient.
- 11What are IP Addresses assigned to?An IP address is a unique value assigned to every computer on a network to identify it.
Messages on a network have an IP address attached which is how a computer knows whether or not to keep the message. - 12How do we get over the problem of running out of IP addresses?Each business or house is assigned an 'external' IP Address, then there will be an 'internal' IP address within that.
- 13What type of topology is the Internet?The Internet is a mesh topology.
- 14Note a point about a outages in a mesh topology.In a mesh topology, there is excellent resilience to outages as messages can take many different routes to reach a destination.
- 15What is a packet?Packets are groups of data that your message gets broken down into. They get sent to the intended recipient, often along many different routes. They are then reassembled at the recipients destination to form the message.
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- Year 8 Computing Flashcards on Unit 1 Network Revision, created by Eve Bradley on 28/09/2020.
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- Eve Bradley
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