Multifactor authentication enhances security by requiring:

Question

Options

• AMultiple verification methods before granting access
• BA username only for identification
• COnly a simple password
• DA single security question

• A
  88% (22)
• C
  4% (1)
• D
  8% (2)

Explanation

Multifactor authentication (MFA) works by combining two or more independent verification methods - such as something you know (password), something you have (phone/token), and something you are (fingerprint) - making it significantly harder for attackers to gain unauthorized access with just one compromised credential.

Why the distractors are wrong:

• B - A username alone only identifies you; it provides no authentication or security.
• C - A single password is single-factor authentication, not multifactor.
• D - One security question is still just a single factor, no matter how complex.

Memory tip: Think of MFA like a bank vault with two locks - one key alone won't open it. The word "multi" means more than one, so the correct answer must involve multiple methods. If any option mentions "only" or "single," it can't be MFA.

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