Cisco Cyber Security Practice Exam

What does multi-factor authentication add to the security measures?

1. Increased complexity

2. Shared credentials

3. Enhanced user experience

4. Additional verification layers

The correct answer is: Additional verification layers

Multi-factor authentication (MFA) significantly enhances security measures by introducing additional verification layers beyond a simple username and password. This approach requires users to provide two or more forms of identification before they can access an account. The forms of identification can come from distinct categories, such as something the user knows (like a password), something the user has (like a smartphone or security token), or something the user is (such as biometric data like fingerprints or facial recognition). Implementing MFA effectively reduces the likelihood of unauthorized access, as compromising just one authentication factor is not sufficient for gaining access; attackers must breach multiple layers of security. This additional layering of security is crucial in preventing identity theft, data breaches, and account takeovers, making it a highly effective tool in modern cybersecurity strategies. In contrast to the elements mentioned in the other choices, MFA does not increase complexity to the point of unmanageable difficulty for users, nor does it involve shared credentials, which would lower security. While some users may experience a slight improvement in user experience due to the added layer of security, the primary purpose and benefit of MFA are its additional verification layers, thereby ensuring a robust defensive posture against various threats.