Are longer passwords more secure?

Related questions

1. Is a password manager a good idea?
2. How long does it take to crack a password of 9 characters?
3. How long would it take to crack a 25 character password?
4. What is a good passphrase?
5. Are passphrases more secure than passwords?
6. What is a key passphrase?
7. What is a passphrase for printer?
8. What is the best password length?
9. How long will it take to crack a password?
10. What are the guidelines for password selection?

Tags

1. #proportional
2. #strength
3. #password
4. #therefore
5. #characters
6. #words
7. #random
8. #remember
9. #possibly
10. #entropy
11. #secure
12. #could
13. #passphrase
14. #shorter
15. #directly
16. #actually
17. #increase
18. #lengthy