What is the primary benefit of salting passwords before hashing?
A). To prevent rainbow table attacks
B). To increase server performance
C). To encrypt session data
D). To generate random session IDs
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
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 PHP functions is used to destroy a session?
A). session_destroy()
B). destroy_session()
C). end_session()
D). remove_session()
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 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 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 session management in PHP web applications?
A). To maintain stateful information across multiple requests
B). To optimize database queries
C). To handle user authentication
D). To manage server configurations
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
Which PHP function is commonly used to hash passwords?
A). password_hash()
B). hash_password()
C). encrypt_password()
D). secure_hash()