What will happen if you try to launch an RDS instance with a db-instance-class that is not supported in your AWS region?

medium📝 service behavior Q5 of 15

AWS - RDS and Relational Databases

AThe instance will launch but will be billed at a higher rate

BThe launch will fail with an error about unsupported instance class

CThe instance will launch but with degraded performance

DAWS will automatically select a supported instance class

Step-by-Step Solution

Solution:

Step 1: Understand instance class availability
Each AWS region supports specific instance classes; unsupported ones cause errors.
Step 2: AWS does not auto-correct instance class
If unsupported, AWS returns an error and does not launch the instance.
Final Answer:
The launch will fail with an error about unsupported instance class -> Option B
Quick Check:
Unsupported class = launch fails [OK]

Quick Trick: Check instance class availability per region before launch [OK]

Common Mistakes:

MISTAKES

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