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Which of the following correctly describes an Availability Zone (AZ) in AWS?

easy📝 Syntax Q12 of 15
AWS - Cloud Computing Fundamentals
Which of the following correctly describes an Availability Zone (AZ) in AWS?
AA single isolated data center within a region
BA group of regions connected by high-speed links
CA virtual server instance in AWS
DA storage bucket for backups
Step-by-Step Solution
Solution:

  1. Step 1: Define Availability Zone

    An AZ is an isolated data center inside a region designed for fault tolerance.

  2. Step 2: Eliminate incorrect options

    A group of regions connected by high-speed links describes regions, not AZs. A virtual server instance in AWS is about compute instances, and D is storage-related.

  3. Final Answer:

    A single isolated data center within a region -> Option A

  4. Quick Check:

    AZ = isolated data center inside region [OK]
Quick Trick: AZs are isolated data centers, not servers or storage [OK]
Common Mistakes:
  • Confusing AZ with a server or instance
  • Thinking AZs are groups of regions
  • Mixing AZs with storage services

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