Secure Your Understanding

The use of passwords to protect data

The use of biometric authentication to protect data

The use of mathematical algorithms to transform data into a form that is not readily intelligible (correct)

The use of firewalls to protect data

To enforce access rights to data

To transform data into a form that is not readily intelligible

To prove the source and integrity of the data unit and protect against forgery (correct)

To assure the integrity of a data unit or stream of data units

Data integrity

Data encryption

Data transformation

Access rights (correct)