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
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 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
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
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 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
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()
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