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Computer Science

GCSE · OCR

QuestionsFlashcards

Identifying & Preventing Threats to Computer Systems & Networks
- Forms of Attack on a Network
  8
- Methods of Preventing a Network Attack
  10

Operating Systems & Utility Software
- The Purpose & Functionality of Operating Systems
  7
- The Purpose & Functionality of Utility Software
  6

Ethical, Legal, Cultural & Environmental Impact
- Impacts of Digital Technology on Wider Society
  7
- Legislation in Computer Science
  8

Boolean Logic Diagrams
- Boolean Logic Diagrams
  9
- Combining Boolean Operators
  7

The Concept of Layers Flashcards

All 4 cards in this deck

What is layering in networking?: Breaking up network communication into separate components or activities, each handling a different part of the communication.
How many layers does the TCP/IP model have?: Four.
State one benefit of using layers in network protocols.: One layer can be changed or improved without redefining the whole communication method, as the other layers are unaffected.
How does layering help with standards in networking?: Standards can be developed for each layer and adapted to new hardware and software over time, so products from different developers work together.