Answer:
Bumper
Step-by-step explanation:
The bumper ad is video format limited to only six second video.
This type of video format is ideal for the accelerating the brand reach and frequency among the people.
This format is advertisement is sold to the individual or companies who wants to advertise their product or services on the CPM basis.
CPM means cost per thousand impression i.e a fixed amount is charged for every thousand individual viewing the advertisement i.e in the bumper ad.