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Difficulty: EasyReliability, Predictability, and Disaster Recovery

A financial services company is migrating its core transaction system to Microsoft Azure. The company needs to design a solution that will restore operations in a separate geographical region if the primary region suffers a complete, catastrophic outage due to a natural disaster. Which cloud concept is directly addressed by this design requirement?

  1. Disaster recoveryAnswer
  2. B
    High availability
  3. C
    Elasticity
  4. D
    Availability Zones

Answer

Disaster recovery is the cloud concept directly addressed by this requirement.
Disaster recovery is the correct answer because it specifically deals with restoring systems and applications in a secondary location or geographical region when a catastrophic event takes down the primary infrastructure.

Step-by-Step Solution

1
Analyze the business requirement in the scenario.
The requirement is to restore operations in a separate geographical region following a complete outage of the primary region.
This establishes that the solution must handle regional catastrophic failures rather than localized resource issues.
2
Compare the requirement to key cloud concepts.
Disaster recovery is the process of restoring systems after a disaster, often using a secondary geographic region. High availability focuses on local redundancy, while elasticity handles auto-scaling. Availability Zones are boundaries within a single region.
Differentiating these concepts leads to the correct identification of disaster recovery.

Key Concept

Disaster recovery provides the capability to restore systems and data in a secondary location when a primary site fails due to a catastrophic event.
Estimated Time:45s
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Topics

Reliability, Predictability, and Disaster Recovery

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