LANs and WANs: Types of network and what affects their performance. A complete, ready-to-teach 90-minute lesson for OCR GCSE (9–1) Computer Science J277, spec 1.3.1, Paper 1 (J277/01). Download it and teach it, no preparation needed.
WHAT’S INCLUDED
• PowerPoint (89 slides) with step-by-step animated worked examples and click-to-reveal answers
• Worksheet with three levels: Bronze (grades 2–4), Silver (4–6) and Gold (6–9)
• Exit tickets with a confidence scale
• Teacher answers with full working
LESSON FLOW
• Recall (6 questions) and starter (4 questions), timed
• Objectives, key words and a key facts slide
• Part A: LANs and WANs · Part B: Bandwidth and users · Part C: Other factors
• Each part: method, I do, We do, You do (6 mini-whiteboard questions; the score picks the worksheet level), timed worksheet task, answers
• 4 original exam-style questions (10 marks) with a mark-by-mark walkthrough
• Exit ticket
LEARNING OBJECTIVES
• To know: What LANs and WANs are, with examples of each
• To understand: How bandwidth, number of users, media and errors affect network performance
• To be able to: Explain why a network is slow, saying what changed and why it matters
WHY TEACHERS LIKE IT
• Visual first: every worked example builds one click at a time
• Teacher notes on every slide: timings, what to say, and the mistakes examiners report
• Every answer checked: calculations, traces and code are worked out by running them
• Exam-style questions written to match J277 command words and mark tariffs
Key words: LAN, WAN, bandwidth, transmission media.
Part of Unit 3: Networks, connections and protocols. Also available in the Unit 3 bundle and the full course bundle.
Original resource by Mo² (Mo Squared Resources). Not endorsed by OCR.
Get this resource as part of a bundle and save up to 33%
A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place.
Something went wrong, please try again later.
This resource hasn't been reviewed yet
To ensure quality for our reviews, only customers who have purchased this resource can review it
Report this resourceto let us know if it violates our terms and conditions.
Our customer service team will review your report and will be in touch.
£2.99