What kind of license validation was used to make the graphics software work correctly?

Calvin is the IT manager for Riverson & Associates, an advertising firm based out of Toronto. Calvin is responsible for all IT related situations. The firm’s marketing director has asked Calvin to purchase a graphics editing application to install on two computers in the marketing department. Calvin makes the purchase and receives the software in the mail one week later. Calvin installs the software on the two requested computers. When the marketing users try to use the software, it says they need to “Insert device for validation”. Calvin calls the software company to find out what the issue is. Calvin thought there was a CD key that needed to be used on installation but the company’s support represe ntative said there should have been a USB device included in the software box. Calvin looks through the software boxes and finds two USB devices. After plugging the devices into the computers in marketing, the graphics software works properly. What kind of license validation was used to make the graphics software work correctly?

A.
The software company used dongles to ensure license validation.

B.
These USB devices are called hardware validators.

C.
The company used logic gates to ensure license validation.

D.
The USB devices the software required for license validation are called logic

Explanation:
keys.