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What is the main function of an Availability Zone (AZ) within an AWS Region?

easy📝 Conceptual Q2 of 15
AWS - Cloud Computing Fundamentals
What is the main function of an Availability Zone (AZ) within an AWS Region?
ATo provide isolated locations for fault tolerance and high availability
BTo serve as a global network hub connecting Regions
CTo act as a security boundary for AWS accounts
DTo host AWS Management Console services
Step-by-Step Solution
Solution:

  1. Step 1: Define Availability Zone

    An AZ is an isolated data center within a Region designed for fault tolerance.

  2. Step 2: Identify its purpose

    AZs enable high availability by isolating failures and providing redundancy.

  3. Final Answer:

    To provide isolated locations for fault tolerance and high availability -> Option A

  4. Quick Check:

    AZs isolate failures within a Region [OK]
Quick Trick: AZs isolate failures to improve availability [OK]
Common Mistakes:
  • Thinking AZs connect Regions globally
  • Confusing AZs with security boundaries
  • Assuming AZs host management services

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