Star & Mesh Networks (OCR GCSE Computer Science): Flashcards
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Practise the cards
15 cards from this deck
What is network topology?
What is network topology?
Layout or structure of a computer network
Star network structure
Star network structure
All devices connect to central switch or server
Star topology main disadvantage
Star topology main disadvantage
If central hub fails, entire network goes down
Star network: if one device fails
Star network: if one device fails
Rest of network remains unaffected
Mesh network structure
Mesh network structure
Devices connect directly to each other
Two types of mesh networks
Two types of mesh networks
Full mesh and partial mesh
Mesh topology main advantage
Mesh topology main advantage
Highly resilient, no single point of failure
Mesh topology main disadvantage
Mesh topology main disadvantage
Complex setup, expensive, difficult maintenance
Small office, limited budget: which topology?
Small office, limited budget: which topology?
Star network
Large org, high reliability: which topology?
Large org, high reliability: which topology?
Mesh network
Packet switching definition
Packet switching definition
Splitting data into small packets sent individually
How packets travel
How packets travel
Independently across the network
Packet header contents
Packet header contents
Destination, source address, packet number, routing info
Packet payload
Packet payload
The actual data being transmitted
Packet footer contents
Packet footer contents
Error-checking data like checksum