[Solved] This code snippet tries to launch Spot Instances but fails:aws ec2 request-spot-instances --spot-price 0.02 --instance-count 1 --launch-specification file://spec.... What is the expected behavior? | AWS

AWS - Cost Optimization

This code snippet tries to launch Spot Instances but fails:

aws ec2 request-spot-instances --spot-price 0.02 --instance-count 1 --launch-specification file://spec.json

Spec.json contains an invalid instance type. What is the expected behavior?

AThe request fails with an error about invalid instance type

BAWS automatically selects a valid instance type

CThe Spot Instance launches with default instance type

DThe request is accepted but instance never launches

Step-by-Step Solution

Solution:

Step 1: Understand validation on launch specification
AWS validates instance types; invalid types cause request failure.
Step 2: AWS behavior on invalid input
AWS does not auto-correct or default; it returns an error.
Final Answer:
The request fails with an error about invalid instance type -> Option A
Quick Check:
Invalid instance type = Request error [OK]

Quick Trick: Invalid instance types cause request errors [OK]

Common Mistakes:

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This code snippet tries to launch Spot Instances but fails: