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Implementation and System Security

Disaster recovery plans

  • 3 things to know
  • AS Unit 1

Overview

Disaster recovery plan, cold site and warm site.

What you need to know

Answer each one before you reveal it.

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Key term

Name five items found in a typical disaster recovery plan.

Key term

Name four events a disaster recovery plan prepares for.

Key term

Why is a disaster recovery plan written before anything has happened?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What is a disaster recovery plan?

    Model answer

    A disaster recovery plan is a documented set of procedures stating how an organisation will restore its systems and data and resume working after a major incident.

  2. 2

    Name four events a disaster recovery plan prepares for.

    Model answer

    A disaster recovery plan prepares for fire, flood, a prolonged power failure and a serious cyber attack such as ransomware.

  3. 3

    Why is a disaster recovery plan written before anything has happened?

    Model answer

    Decisions taken calmly in advance are far better than decisions taken in a crisis, and a written plan means staff know at once what to do instead of losing hours working it out.

  4. 4

    Name five items found in a typical disaster recovery plan.

    Model answer

    A typical plan contains a risk assessment, the priority order for restoring systems, the location of the backups and any standby equipment, the contact details and responsibilities of the staff involved, and the procedures for restoring each service.

  5. 5

    What is the risk assessment within a disaster recovery plan?

    Model answer

    The risk assessment lists the threats the organisation faces, judges how likely each one is and how much damage it would do, and so decides which are worth preparing for in detail.

  6. 6

    Why does a plan set a priority order for restoring systems?

    Model answer

    Not everything can be restored at once, so the plan states which systems the organisation cannot trade without and those are brought back first.

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