Using ‘Target and Bid’ setting in LinkedIn profile targeting will narrow down your audience. This is because Target and Bid setting means your targeting methods must match to a user before your ad is shown. This means you can show your ad only to a selected audience and your overall reach is narrowed down.
This question is a part of the Microsoft Advertising Certified Professional exam. You can find all the answers with detailed explanation for this exam in the Microsoft Advertising Certified Professional exam page.