Question: When reviewing a campaign, you notice that your cost per conversion on desktop is much lower than on mobile. How should you optimize the bidding strategy is you wanted to increase the overall number of campaign conversions?

1. Increase the desktop bid adjustment for this campaign
2. Increase the ad frequency for the campaign
3. Decrease the desktop bid adjustment for the campaign
4. Increase both the desktop and mobile ad adjustments

Answer: The correct answer of the above question is Option A:Increase the desktop bid adjustment for this campaign