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
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
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
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()
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
Which PHP function is commonly used to hash passwords?
A). password_hash()
B). hash_password()
C). encrypt_password()
D). secure_hash()
What is the purpose of the session_write_close() function in PHP?
A). Writes session data and closes the session file
B). Opens a new session file for writing
C). Ends the current session and deletes session data
D). Retrieves the session data from the session file
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 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
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