Correct Answer. A. Use a mix of uppercase letters, lowercase letters, numbers, and symbols Using a combination of uppercase letters, lowercase letters, numbers, and symbols increases the complexity of a password, making it harder for attackers to crack.
Option B is incorrect as common phrases or words can be easily guessed or cracked with dictionary attacks Option C is incorrect because passwords should be lengthy to enhance security, typically recommended to be at least 12 characters long Option D is incorrect as personal information can often be easily found or guessed by attackers