Security & CompliancePregunta 29 de 100
Which security measure adds a second form of verification, such as a code from a device, when signing in to AWS?
a.Multi-factor authentication (MFA)
b.A larger instance type
c.A public S3 bucket policy
d.An Elastic IP address
Explicación
MFA requires users to present an additional authentication factor, such as a one-time code from a hardware or virtual device, beyond their password. This significantly reduces the risk of compromised credentials.
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