To raise awareness of what you're advertising without limiting who might see your ads, you should:

To raise awareness of what you're advertising without limiting who might see your ads, you should:

·          add multiple targeting methods and use the "Target and bid" setting

·          add multiple targeting methods and use the "Bid only" setting

·          set a topic bid adjustment to show your ads on multiple pages about a specific topic

·          set a mobile bid adjustment to reach more customers on mobile devices

Correct Answer is :

add multiple targeting methods and use the "Bid only" setting

Source: https://academy.exceedlms.com