You can use Keyword Planner to identify:
- the number of negative keywords you should add
- which text ads are performing best based on your keywords
- the amount of traffic potential keywords you might get
- webpages where your ad can appear based on your keywords
The correct answer for the above question is:
Here you can read the explanation about the Google Keyword Planner: https://support.google.com/google-ads/answer/3114286?hl=en