AWS Certified Cloud Practitioner
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You want to add an extra layer of protection to the current authentication mechanism of user names and passwords for AWS. Which of the following can help in this regard
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RRitesh
A
Using Password Policies
B
Using a mix of user names
C
Using AWS WAF
D
Using MFA
Explanation:
Correct Answer: D - Using MFA
Explanation:
MFA (Multi-Factor Authentication) provides an extra layer of protection for AWS authentication by requiring users to provide two or more verification factors:
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Something you know (password)
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Something you have (MFA device)
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Something you are (biometric)
Why other options are incorrect:
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A. Using Password Policies: While password policies are important for security, they only strengthen the existing password mechanism rather than adding an extra layer of protection.
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B. Using a mix of user names: This doesn't provide additional authentication security; it's just a naming convention.
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C. Using AWS WAF: AWS Web Application Firewall protects web applications from common web exploits, but it doesn't add extra authentication protection for user credentials.
Benefits of MFA:
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Prevents unauthorized access even if passwords are compromised
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Meets compliance requirements
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Provides additional security for sensitive operations
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Available through virtual MFA devices, hardware tokens, or U2F security keys
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