Cassie is worried about credential management on a network where users often have over six passwords to remember. She’s currently interested in finding a solution to this problem. Which would be the best way to address this issue?

Use a password manager

Explanation:

It is a disadvantage to use usernames and passwords for account authentication is a fundamentally defective security mechanism.

Your pet's name and other nomenclatures are very easy for hackers.

Advantages of a password manager:

Most password managers use multifactor authentication. The information is stored, in encrypted form, on the servers operated by the providers; This is a strong enough security. Examples of password managers LastPass, 1Password, Bitwarden, RoboForm, Intuitive Password, Dashlane, RoboForm etc.