Q
What is the primary benefit of salting passwords before hashing?

Answer & Solution

Answer: Option A
Solution:
Salting passwords before hashing adds a random string of characters (salt) to each password, making it unique and significantly increasing the complexity of hash calculations, thus preventing rainbow table attacks.
Related Questions on Average

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

How can you destroy a session in PHP?

A). session_destroy()

B). destroy_session()

C). end_session()

D). remove_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 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

Which PHP function is commonly used to hash passwords?

A). password_hash()

B). hash_password()

C). encrypt_password()

D). secure_hash()

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

A). session_destroy()

B). destroy_session()

C). end_session()

D). remove_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 recommended approach for handling session data in PHP forms?

A). Use form validation and CSRF tokens

B). Store session data in hidden form fields

C). Use plaintext passwords for form authentication

D). Share session data in URL parameters

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

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