Multiple choice general knowledge

To be effective, this should ideally contain at least one digit and not match a natural language word.

  1. digital signature

  2. smart card

  3. public key

  4. password

  5. signature file

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A password should contain at least one digit and not match a natural language word for security. Strong passwords mix uppercase, lowercase, numbers, and special characters. Avoiding dictionary words makes them resistant to dictionary attacks. Digital signatures and public keys are cryptographic concepts, not passwords.