CompTIA Security+ Question C-56

A team of firewall administrators have access to a `master password list’ containing service account passwords. Which of the following BEST protects the master password list?

A. File encryption
B. Password hashing
C. USB encryption
D. Full disk encryption

Answer: A

File encryption can be used to protect the contents of individual files. It uses randomly generated symmetric encryption keys for the file and stores the key in an encrypted form using the user’s public key on the encrypted file.