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
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
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()
What does the session_regenerate_id() function do in PHP?
A). Regenerates the session ID to prevent session fixation
B). Registers a new session ID with the server
C). Retrieves the session ID from the server
D). Ends the current session and deletes session data
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 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
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 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 PHP function is used to start a new session?
A). session_start()
B). start_session()
C). init_session()
D). new_session()