Option 1: Correct. Implementing multi-factor authentication provides an additional layer of security by requiring users to provide multiple forms of authentication to access cloud resources.
Option 2: Incorrect. The primary reason for implementing multi-factor authentication is to provide an additional layer of security, not to simplify the authentication process.
Option 3: Incorrect. The primary reason for implementing multi-factor authentication is to provide an additional layer of security, not to reduce costs.
Option 4: Incorrect. The primary reason for implementing multi-factor authentication is to provide an additional layer of security, not to improve performance.