Q
How can you handle user authentication in PHP using a database?

Answer & Solution

Answer: Option A
Solution:
User authentication in PHP using a database involves querying the database to validate user credentials (e.g., username and hashed password) submitted via a login form.
Related Questions on Average

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

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 destroy a session in PHP?

A). session_destroy()

B). destroy_session()

C). end_session()

D). remove_session()

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

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

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

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 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 does the $_SESSION superglobal array store in PHP?

A). Session data

B). User credentials

C). Database queries

D). HTML markup