David, an IT Manager, Has Just Returned from a Security

Multiple Choice

David, an IT manager, has just returned from a security conference where he was discussing the capabilities of a vendor's products. The vendor explained that their system relied on an agent that is installed on systems within an organization in order for it to work. Which of the following is most likely the type of product offered by this vendor?

A) Flip-based vulnerability scanner
B) Pull-based vulnerability scanner
C) Slide-based vulnerability scanner
D) Push-based vulnerability scanner