LAN vs WAN, network topologies, hardware components, wired vs wireless. Typically 6–10 marks on Component 1. Sourced from Craig 'n' Dave slides.
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Watch first — Craig 'n' Dave
Craig 'n' Dave · Edexcel 1CP2Types of Networks — LAN and WAN
Craig 'n' Dave · Edexcel 1CP2Network Topologies
Key facts
LAN vs WAN — fill in the table
Term
Description
LAN (Local Area Network)
WAN (Wide Area Network)
The internet
Home routers
Network hardware — fill in the table
Hardware
Description
Router
Switch
Wireless Access Point (WAP)
NIC (Network Interface Card)
Transmission media
Star topology
All devices connect to a central switch
Most popular wired network type
Advantage: if one cable fails, only that device is affected
Advantage: switch ensures data only goes where intended (secure)
Disadvantage: if the switch fails, the whole network fails
Disadvantage: more cabling required than bus
Other topologies — fill in the table
Topology
Description
Bus topology (historical)
Full mesh
Partial mesh
Exam questions — 6 questions · 14 marks
⚡ This module includes extended questions (4–6 marks). Read the hint. Write in full linked sentences. The AI will tell you exactly which mark scheme points you missed.
1 markLAN definitionEdexcel 1CP2 style
Which statement correctly describes a Local Area Network (LAN)?
A A network covering a large geographical area using leased infrastructure
B A network covering a small geographical area on a single site, with hardware owned by the organisation
C A network that always uses wireless connections only
D A network that connects to the internet via satellite
1 markStar topologyEdexcel 1CP2 style
In a star topology, what happens if a single cable between a device and the switch breaks?
A The entire network fails
B All other devices on the network are affected
C Only the device connected to that cable loses network access
D The switch automatically reroutes the connection
3 marksNetwork hardwareEdexcel 1CP2 style
Describe the role of a router in a network. How does it differ from a switch? (3 marks)
Hint: Router = connects different networks (LAN to internet). Switch = connects devices within the same LAN. Give the function of each and the key difference.
+30 XP
4 marksCompare wired and wirelessEdexcel 1CP2 style
Compare wired (ethernet/fibre) and wireless (Wi-Fi) connections for a school network. Give two advantages of wired and two advantages of wireless. (4 marks)
Hint: Two advantages each side. Think about: speed, reliability, security, flexibility, cost of installation.
+40 XP
1 markWAP functionEdexcel 1CP2 style
What is the purpose of a Wireless Access Point (WAP)?
A To connect two separate networks together
B To allow wireless devices to connect to a wired network
C To store and manage IP addresses on a network
D To control which devices are allowed on a network
4 marksExplain star topology advantagesEdexcel 1CP2 style
A school is installing a new network. Explain why a star topology is recommended over a bus topology. (4 marks)
Hint: Give at least 2 advantages of star over bus. For each, explain WHY it is better — not just that it is different.