Q
What is the purpose of user authentication in PHP web applications?

Answer & Solution

Answer: Option A
Solution:
User authentication in PHP web applications is used to verify the identity of users accessing the application, ensuring that only authorized users can access restricted resources.
Related Questions on Average

How can you implement remember me functionality in PHP?

A). By using persistent cookies with long expiration times

B). By storing passwords in plaintext

C). By disabling session management

D). By using URL parameters for authentication

What is the purpose of using prepared statements in user authentication?

A). To prevent SQL injection attacks

B). To optimize database queries

C). To increase server performance

D). To store session data securely

Which of the following PHP functions is used to destroy a session?

A). session_destroy()

B). destroy_session()

C). end_session()

D). remove_session()

Which PHP function is used to set session cookie attributes?

A). session_set_cookie_params()

B). set_session_cookie_attributes()

C). configure_session_cookie()

D). modify_session_cookie()

How can you prevent session fixation attacks in PHP?

A). Regenerate session IDs after successful authentication

B). Use weak session IDs

C). Store session IDs in plaintext

D). Disable session management entirely

How can you securely manage session data in PHP?

A). Store sensitive session data server-side

B). Store session data in plaintext on the client

C). Share session data in URL parameters

D). Store session data in unencrypted cookies

What does the $_SESSION superglobal array store in PHP?

A). Session data

B). User credentials

C). Database queries

D). HTML markup

Which of the following is commonly used for user authentication in PHP?

A). Username and password

B). Session ID

C). IP address

D). URL parameters

What is the role of hashing in user authentication?

A). To securely store passwords

B). To encrypt session data

C). To generate random session IDs

D). To validate IP addresses

What is the recommended approach for handling session data in PHP forms?

A). Use form validation and CSRF tokens

B). Store session data in hidden form fields

C). Use plaintext passwords for form authentication

D). Share session data in URL parameters