Which bidding type is only available for ads on the Display Network?

Q. Which bidding type is only available for ads on the Display Network?

A. Target cost-per-acquisition (CPA)

B. Viewable cost-per-thousand impressions (vCPM)

C. Cost-per-view (CPV)

D. Maximize clicks

Correct Answer is:

B. Viewable cost-per-thousand impressions (vCPM)