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What is the main benefit of using a Multi-AZ deployment in AWS?

easy📝 Conceptual Q11 of 15
AWS - RDS and Relational Databases
What is the main benefit of using a Multi-AZ deployment in AWS?
AIt increases availability by replicating resources across multiple zones.
BIt reduces the cost of running resources.
CIt speeds up the deployment process.
DIt automatically scales resources based on traffic.
Step-by-Step Solution
Solution:

  1. Step 1: Understand Multi-AZ purpose

    Multi-AZ deployment copies resources to different zones to avoid downtime if one zone fails.

  2. Step 2: Identify the main benefit

    This replication increases availability and fault tolerance, not cost reduction or speed.

  3. Final Answer:

    It increases availability by replicating resources across multiple zones. -> Option A

  4. Quick Check:

    Multi-AZ = High availability [OK]
Quick Trick: Multi-AZ means copies in different zones for uptime [OK]
Common Mistakes:
  • Confusing Multi-AZ with cost saving
  • Thinking Multi-AZ speeds deployment
  • Assuming Multi-AZ auto-scales resources

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