Which PHP function is commonly used to hash passwords?
A). password_hash()
B). hash_password()
C). encrypt_password()
D). secure_hash()
Which PHP function is used to start a new session?
A). session_start()
B). start_session()
C). init_session()
D). new_session()
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 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 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
What does the $_SESSION superglobal array store in PHP?
A). Session data
B). User credentials
C). Database queries
D). HTML markup
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 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 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 destroy a session in PHP?
A). session_destroy()
B). destroy_session()
C). end_session()
D). remove_session()