You receive an error when launching an EC2 instance stating the specified Availability Zone does not exist in the chosen Region. What is the most probable cause?

medium📝 Debug Q6 of 15

AWS - Cloud Computing Fundamentals

AThe Region is currently offline

BThe EC2 instance type is not supported in any AZ

CYour AWS account is restricted from launching instances

DThe AZ name used is not valid for that Region

Step-by-Step Solution

Solution:

Step 1: Understand AZ naming
AZ names are unique within a Region but can differ between Regions.
Step 2: Identify cause of error
Using an AZ name from a different Region causes an invalid AZ error.
Final Answer:
The AZ name used is not valid for that Region -> Option D
Quick Check:
AZ names are Region-specific [OK]

Quick Trick: AZ names differ by Region; check Region-AZ mapping [OK]

Common Mistakes:

MISTAKES

Assuming instance type unsupported causes AZ error
Thinking account restrictions cause AZ invalid error
Believing Region is offline

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More AWS Quizzes

You receive an error when launching an EC2 instance stating the specified Availability Zone does not exist in the chosen Region. What is the most probable cause?

Step 1: Understand AZ naming

Step 2: Identify cause of error

Final Answer:

Quick Check:

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