220-1102 · Question #537
220-1102 Question #537: Real Exam Question with Answer & Explanation
The correct answer is A: Multifactor authentication. To best strengthen security against brute-force attacks, multifactor authentication (MFA) should be implemented because it requires additional verification factors beyond just a password, making it significantly harder for an attacker to gain access even if they guess the passwor
Question
A technician needs to strengthen security controls against brute-force attacks. Which of the following options best meets this requirement?
Options
- AMultifactor authentication
- BEncryption
- CIncreased password complexity
- DSecure password vault
Explanation
To best strengthen security against brute-force attacks, multifactor authentication (MFA) should be implemented because it requires additional verification factors beyond just a password, making it significantly harder for an attacker to gain access even if they guess the password.
Common mistakes.
- B. Encryption protects data at rest or in transit from being read by unauthorized parties but does not directly prevent brute-force attempts against login credentials.
- C. Increased password complexity makes it harder to guess a single password but does not prevent a brute-force attack from eventually succeeding given enough time and resources.
- D. A secure password vault helps users store their passwords safely but does not directly strengthen the authentication mechanism against brute-force attacks on the system itself.
Concept tested. Mitigating brute-force attacks with MFA
Reference. https://learn.microsoft.com/en-us/azure/active-directory/authentication/concept-mfa-howitworks
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