Real-World Scenario: School Network Architecture
Part of LAN and WAN — GCSE Computer Science
This deep dive covers Real-World Scenario: School Network Architecture within LAN and WAN for GCSE Computer Science. Revise LAN and WAN in Networks for GCSE Computer Science with 15 exam-style questions and 16 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 7 of 10 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 7 of 10
Practice
15 questions
Recall
16 flashcards
Real-World Scenario: School Network Architecture
Imagine your school's complete network setup:
The LAN (Internal Network):
- Every classroom has Ethernet sockets wired back to a central switch room
- WiFi access points throughout the building provide wireless coverage
- All computers, tablets, printers, servers are on the school's LAN
- File server stores all student work (accessible from any school computer)
- Print server manages all school printers
- Lightning-fast speeds: copying 1GB file between school computers = 10 seconds!
- The school IT team maintains everything - they control security, updates, backups
The WAN Connection (External Network):
- School's router connects to BT's fiber optic WAN infrastructure
- School pays BT £100/month for 100 Mbps Internet connection
- Students access BBC Bitesize, YouTube, Google Classroom via the WAN (Internet)
- Teachers email other schools, access cloud storage (Google Drive, OneDrive)
- Much slower than LAN: downloading 1GB file from Internet = 2 minutes
- If BT's infrastructure fails, entire school loses Internet (but LAN still works!)
Key Insight:
Your school uses BOTH a LAN (for internal fast communication) AND a WAN connection (to reach the Internet). The LAN is like the school's private road network. The WAN is like the public motorway system you use to reach other places!