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

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 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 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

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

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 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

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

Which PHP function is used to start a new session?

A). session_start()

B). start_session()

C). init_session()

D). new_session()

How can you destroy a session in PHP?

A). session_destroy()

B). destroy_session()

C). end_session()

D). remove_session()