(A) Search capabilities by landing page URL
(B) Compare your ad impression share to your competitors
(C) Customize your individual ad group and keyword
(D) Look at keyword search volume for a specified time
(E) All of the above
Keyword Planner gives you all the above mentioned data. You can use the Keyword Tool to find out if your landing page contains the keywords you’re targeting and whether it is optimized for your targeted keywords by using the landing page URL. You can type in your targeted keyword to find out about your Ad share against your competitors and other market leader domains. You can use the Keyword tool to customize the bids for your keywords and Ad groups or you can even increase them to full scale to get the traffic estimates for your keyword. Most importantly, you can use the Keyword Tool to find out the search volume of your keyword for a specific time going back up to a period of 24 months.
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.