Targeting by topic is a good strategy if your client wants to:

Targeting by topic is a good strategy if your client wants to:

  • drive sales on his website
  • reach a specific audience
  • control where his ads appear on the Display Network
  • actively manage his budget because he has strict cost-per-acquisition goals

The correct Answer is:

  • control where his ads appear on the Display Network

Explanation: If you’d like to control where your ads appear on the Google Display Network, or you’re a brand-oriented advertiser, or you have strict CPA goals and want to actively manage your budget, Google Adwords recommends using our other targeting options, such as keyword contextual targeting or placements targeting.

Read more here: https://support.google.com/adwords/answer/2497832?hl=en