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O-LevelComputer ScienceThe Internet and its uses2210/12 · Oct/Nov 2017 · Q106 Marks

Describe what is meant by Transport Layer Security (TLS).

  1. (a)Describe what is meant by Transport Layer Security (TLS).[3]
  2. (b)Name three different applications of TLS. 1 2 3[3]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2017). The mark or mark type is shown in brackets.

  1. [1] (a) It is a (security) protocol
  2. [1] (a) It encrypts data (sent over the web/network)
  3. [1] (a) It is the updated version of SSL
  4. [1] (a) It has two layers
  5. [1] (a) It has a handshake layer
  6. [1] (a) It has a record layer
  7. [1] (b) Online banking
  8. [1] (b) Online shopping // Online payment systems
  9. [1] (b) Email
  10. [1] (b) Cloud based storage
  11. [1] (b) Intranet/extranet
  12. [1] (b) VPN
  13. [1] (b) VoIP
  14. [1] (b) Instant messaging (IM) // social networking

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About this question

Topic
The Internet and its uses, O-Level Computer Science (syllabus 2210). Structured question, 6 marks.
Source
O-Level Computer Science, Oct/Nov 2017 Paper 1 Variant 2, question 10.

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