ExpertHard1 markMultiple Choice
AZ-900 · Question 16 · Domain 1.4: Additional Cloud Concepts
A company requires their application to automatically switch to a secondary geographic region if the primary region experiences a complete outage due to a natural disaster. Which cloud concept does this requirement describe?
A company requires their application to automatically switch to a secondary geographic region if the primary region experiences a complete outage due to a natural disaster. Which cloud concept does this requirement describe?
Answer options:
A.
High availability
B.
Disaster recovery
C.
Fault tolerance
D.
Elasticity
How to approach this question
Differentiate between localized failures (HA) and catastrophic regional failures (DR).
Full Answer
B.Disaster recovery✓ Correct
Disaster recovery
Disaster recovery (DR) is about preparing for and recovering from major outages, such as a natural disaster taking a whole datacenter or region offline. It involves replicating data and services to a secondary region.
Common mistakes
Confusing High Availability (HA) with Disaster Recovery (DR). HA keeps things running during normal operations and minor failures. DR is the backup plan for catastrophic failures.
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