Câu 126: Google AdWords Fundamentals

Quality Score and Ad Rank are calculated:

1. A. Every time you change your CPCs within your account.
2. B. Every time someone does a search that triggers your ad. — đáp án hiện tại
3. C. A few times a day, based on your ad scheduling settings.
4. D. Every time your ad is eligible to serve on a Display Network page.