- Manual CPC
- Viewable CPM
- Enhanced impressions
- Target CPA
The Correct Answer is: Target CPA.
Explanation: Target CPA is a Smart Bidding strategy offered by Google Ads. Designed to optimize conversions, it sets bids based on the target cost-per-acquisition (CPA) set by the advertiser. Using advanced machine learning, it automatically tweaks bids and incorporates real-time auction signals to achieve an average CPA across all campaigns that aligns with the set target, all the while accounting for external factors and competition.
Read more here: https://support.google.com/google-ads/answer/6268632