![Mcqmate logo](https://mcqmate.com/images/logos/logo-black.png)
![Mcqmate logo](https://mcqmate.com/images/logos/logo-white.png)
McqMate
Q. |
There can only be one
|
A. | primary |
B. | secondary |
C. | supplemental |
D. | customer |
Answer» A. primary |
View all MCQs in
Usability EngineeringNo comments yet