Which PHP function is commonly used to hash passwords?
A). password_hash()
B). hash_password()
C). encrypt_password()
D). secure_hash()
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 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 a security best practice for session management?
A). Use HTTPS to encrypt session data during transmission
B). Store session data in plaintext on the server
C). Set session cookies to expire after every request
D). Share session IDs in URL parameters
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
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 handle user authentication in PHP using a database?
A). Query the database to validate user credentials
B). Use session variables to track user sessions
C). Store passwords in plaintext
D). Validate user credentials in URL parameters
Which of the following PHP functions is used to destroy a session?
A). session_destroy()
B). destroy_session()
C). end_session()
D). remove_session()
What is the purpose of user authentication in PHP web applications?
A). To verify the identity of users accessing the application
B). To optimize database queries
C). To manage user sessions
D). To handle server configurations
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