You can adjust your bidding using Bid adjustments(modifiers) option in Microsoft Advertising. Bid adjustments allow you to change your bids for specific devices. You can use this to increase your bid on your best performing devices so that your ad spend goes towards the ads that target your best performing devices.
This question is a part of the Bing Accreditation Exam and the Microsoft Advertising Certified Professional exam. You can find all the answers with full explanation for both exams in our Bing Accreditation Exam Answers page and Microsoft Advertising Certified Professional Exam Answers page.