Final answer:
The two types of web application authentication are Passwords and Biometric Authentication. These methods provide increased security by ensuring that only authorized individuals can access accounts or secure areas of websites.
Step-by-step explanation:
The question is asking to identify two types of web application authentication. The correct options for two types of web application authentication from the choices are: C. Passwords and biometric authentication. Passwords are the traditional method of authentication involving a secret word or phrase that a user inputs to gain access to an account. Biometric authentication refers to security processes that rely on the unique biological characteristics of an individual to verify that he is who he says he is. This can include fingerprint, facial recognition, or iris scanning. Both methods are crucial for increased security for individuals, including using stronger passwords, two-factor authentication, and being educated on avoiding scams. For companies and governments, it is vital to implement stronger protections on websites to safeguard against unauthorized access.