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

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 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

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 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

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 does the $_SESSION superglobal array store in PHP?

A). Session data

B). User credentials

C). Database queries

D). HTML markup

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

A). session_destroy()

B). destroy_session()

C). end_session()

D). remove_session()

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 a security best practice for session management?

A). Use HTTPS to encrypt session data during transmission

B). Store session data in plaintext on the server

C). Set session cookies to expire after every request

D). Share session IDs in URL parameters