A user tries to enable MFA with this command but gets an error:

medium📝 Debug Q14 of 15

AWS - Identity and Access Management

aws iam enable-mfa-device --user-name carol --serial-number arn:aws:iam::123456789012:mfa/carol --authentication-code1 123456

What is the most likely cause of the error?

AOnly one authentication code was provided instead of two

BThe serial number ARN is incorrect format

CThe user name 'carol' does not exist

DThe command should use 'create-mfa-device' instead

Step-by-Step Solution

Solution:

Step 1: Review command requirements
The enable-mfa-device command requires two consecutive authentication codes to verify the MFA device setup.
Step 2: Identify missing parameter
The command only provides one authentication code (authentication-code1) and misses the second (authentication-code2), causing the error.
Final Answer:
Only one authentication code was provided instead of two -> Option A
Quick Check:
Enable MFA needs two codes, missing one causes error [OK]

Quick Trick: Enable MFA requires two codes, not one [OK]

Common Mistakes:

MISTAKES

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