Unit 3 EST 2026 Mock Practice

Timed Practice Exam

30
Questions
50
Minutes
30
Total Marks

Exam Conditions

  • • Timer starts immediately when you begin
  • • You can navigate between questions
  • • Exam auto-submits when time runs out
  • • You can review answers after submission

Written practice

Mock EST Written Scenarios

Write your response first, check it against the checklist, then reveal the model answer.

Task 1: Short response

Mock EST Written Task: Context Diagram

Scenario

A uniform ordering system receives order details from parents, sends payment requests to a payment service, receives payment confirmations, sends order summaries to the uniform shop, and sends pickup notices to parents.

Your prompt

Identify the central process, external entities, and four labelled data flows.

Self-check

  • Central process is the whole system
  • Includes Parent, Payment Service, and Uniform Shop as external entities
  • Lists at least four sensible data flows
  • Uses labels more specific than data

Task 2: Short response

Mock EST Written Task: Data Protection

Scenario

A school stores student counselling notes in an online database. Staff accounts use short passwords and the same login is shared by several staff members.

Your prompt

Explain two risks and recommend two protection methods.

Self-check

  • Explains why the data is sensitive
  • Identifies shared login or weak password risk
  • Recommends stronger authentication
  • Recommends encryption, permissions, or access controls

After the mock

Use your quiz review and written scenario checklist to identify weak areas. Return to the topic quizzes for any area below your target score.

Review Topic Quizzes Re-read Study Notes