The internet and its uses

Worked examples (6)

• 1Define digital currency (2 marks)
• 2Two features of digital currency (4 marks)
• 3What a block contains (4 marks)
• 4Why the order of blocks matters (4 marks)
• 5How a blockchain makes a cryptocurrency tamper-resistant (8 marks)
• 6Advantages and disadvantages of cryptocurrency (6 marks)

Model answers (6)

• ✓Model answer — 0478 Paper 1 — style
• ✓Model answer — 0478 Paper 1 — style
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• ✓Model answer — 0478 Paper 1 — style
• ✓Model answer — 0478 Paper 1 — style
• ✓Model answer — 0478 Paper 1 — style

Worked examples (6)

• 1Name the threat from a description (2 marks)
• 2Match a prevention method to a threat (2 marks)
• 3Distinguish phishing and pharming (6 marks)
• 4Identify defences against cyber-security threats (6 marks)
• 5Identify malware types (8 marks)
• 6Scenario: choose threats and matching defences (6 marks)

Model answers (6)

• ✓Model answer — 0478 Paper 1 — style
• ✓Model answer — 0478 Paper 1 — style
• ✓Model answer — 0478 Paper 1 — style
• ✓Model answer — 0478 Paper 1 — style
• ✓Model answer — 0478 Paper 1 — style
• ✓Model answer — 0478 Paper 1 — style

Worked examples (6)

• 1Distinguish the internet and the World Wide Web (4 marks)
• 2Purpose of a web browser (3 marks)
• 3Explain the parts of a URL (6 marks)
• 4Compare HTTP and HTTPS (4 marks)
• 5What happens when a user types a URL (8 marks)
• 6Session vs persistent cookies (6 marks)

Model answers (6)

• ✓Model answer — 0478 Paper 1 — style
• ✓Model answer — 0478 Paper 1 — style
• ✓Model answer — 0478 Paper 1 — style
• ✓Model answer — 0478 Paper 1 — style
• ✓Model answer — 0478 Paper 1 — style
• ✓Model answer — 0478 Paper 1 — style