CompTIA Security Plus Mock Test Q837

Which of the following data security techniques will allow Matt, an IT security technician, to encrypt a system with speed as its primary consideration?

A. Hard drive encryption
B. Infrastructure as a service
C. Software based encryption
D. Data loss prevention

Correct Answer: A
Section: Application, Data and Host Security

Disk and device encryption encrypts the data on the device. This feature ensures that the data on the device cannot be accessed in a useable form should the device be stolen. It
should be implemented using a hardware-based solution for greater speed.

Incorrect Answers:
B: The Infrastructure as a Service (IaaS) model is a cloud computing business model uses virtualization, with the clients paying for resources used. It is not a data security technique.
C: Software based encryption is usually slower than hardware based encryption.
D. Data loss prevention is the purpose of encryption; it is not a data security technique.

Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, 6th Edition, Sybex, Indianapolis, 2014, pp. 418-419
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 236, 237