Cost-per-thousand impressions (CPM) bidding is only available for:

Cost-per-thousand impressions (CPM) bidding is only available for:

  • accounts that are using prepay billing
  • campaigns that target the Google Display Network
  • accounts using U.S. Dollars for billing currency
  • campaigns that target search partner sites

The correct Answer is:

  • campaigns that target the Google Display Network
  • Google Display Advertising Exam – All Q&As
  • * Updated on 25-Apr-2019
  • * 100% Moneyback Guarantee
  • * 100% Legitimate to use for Exam

Explanation: Cost-per-thousand impressions (CPM) bidding is only available for campaigns that target the Google Display Network. CPM bidding means that you pay based on the number of impressions (times your ads are shown) that you receive on the Google Display Network.

Read more here: https://support.google.com/adwords/answer/6310?hl=en