Research for a client who owns used car dealerships show that people who visit his website also visit certain popular car blogs. Which targeting method would you use to reach these people?

  • Remarketing
  • Keywords
  • Topics
  • Placements

The correct answer is:

  • Placements

Explanation: If you want to run ads on the Display Network but only on placements you’ve hand-picked, you can do so with managed placements. For example, if you sell travel packages and want your ads to appear on a particular website or a specific page about travel, add it as a managed placement.

Read more here https://support.google.com/adwords/answer/2470108?hl=en