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Topic plan · A-Level Computer Science 9618 · Topic 2

Communication

LANs and WANs, client-server and peer-to-peer, topologies, cloud computing, wired and wireless media, Ethernet and CSMA/CD, the internet, IP addressing and DNS.

Open the topic lab Question bank Notes PDF
Unit at a glance

6 lessons, 270 minutes of teaching

Lessons
6, each planned for 45 minutes
Worksheets
6 with answer keys
Quiz questions
36 multiple-choice, assignable in the app
Lab
Internet lab
Scheme of work

The lessons in order

RefLesson packStructureWorksheetQuizLab tab
2.1LANs, WANs, client-server and peer-to-peer
A single computer is useful; computers that can talk to each other are far more useful.
Jigsaw6 Q, 21 marks6 MCQnone
2.1Network topologies and hardware
A topology is the shape of a network: which device is connected to which.
Corners6 Q, 22 marks6 MCQtab 6, tab 3
2.1Cloud computing
Your photos, your school email and your games saves may all live in the cloud: on servers you will never see, reached over the internet.
Frayer Model6 Q, 18 marks6 MCQnone
2.1Wired and wireless media, Ethernet and CSMA/CD
Data can travel as electrical pulses in copper, as light in glass fibre, or as radio waves, microwaves and satellite signals.
Connect-Extend-Challenge6 Q, 21 marks6 MCQtab 6
2.1The internet and the world wide web
People use the words internet and web as if they meant the same thing.
Anticipation / Reaction Guide6 Q, 20 marks6 MCQtab 1
2.1IP addressing and the domain name service
Packets can only be delivered if every device has an address.
Cooperative Concept Mapping6 Q, 22 marks6 MCQtab 3, tab 1

Each pack holds the plan, worksheet and quiz for its lesson. Teach the rows in order; the lab tabs match the student lessons.

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