Which technology can be used to prevent a cracker from launching a dictionary or brute-force attack of a hash?

Which technology can be used to prevent a cracker from launching a dictionary or brute-force attack of a hash?
Which technology could be used to prevent a cracker from launching a dictionary or brute-force attack off a hash?

• AES
• MD5
• HMAC
• rainbow tables

Explanation: HMACs use an additional secret key as input to the hash function. This adds another layer of security to the hash in order to defeat man-in-the-middle attacks and provide authentication of the data source.

Exam with this question: Final Quiz Cybersecurity Essentials