16. Which PHP function is used to set session cookie attributes?

Which PHP function is used to start a new session?

A). session_start()

B). start_session()

C). init_session()

D). new_session()

What does the $_SESSION superglobal array store in PHP?

A). Session data

B). User credentials

C). Database queries

D). HTML markup

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 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 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 of the following is commonly used for user authentication in PHP?

A). Username and password

B). Session ID

C). IP address

D). URL parameters

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 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 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

Which of the following PHP functions is used to destroy a session?

A). session_destroy()

B). destroy_session()

C). end_session()

D). remove_session()