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

Answer & Solution

Answer: Option A
Solution:
Username and password authentication is a common method used for user authentication in PHP web applications. Users provide their credentials to authenticate themselves.
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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

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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()

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C). end_session()

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A). Use form validation and CSRF tokens

B). Store session data in hidden form fields

C). Use plaintext passwords for form authentication

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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 set session cookie attributes?

A). session_set_cookie_params()

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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

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Which of the following is a security best practice for session management?

A). Use HTTPS to encrypt session data during transmission

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What is the purpose of user authentication in PHP web applications?

A). To verify the identity of users accessing the application

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