- Number of Keywords
- Type of product or service
- Maximum cost-per-click (CPC) bids
- Number of ad groups per campaign
Right Answer:“Type of product or service“
An advertiser should group their campaigns byÂ type of product or service.Â A great rule of thumb for building an effective campaign structure is to mirror your websiteâ€™s structure. By creating campaigns and ad groups around a particular theme or product, you can generate keyword lists that directly correlate to the corresponding ad text and ads that link directly to that productâ€™s page on your website. You can even add keyword-specific URLs to enhance the quality and significance of your ads in your account.
Read more here: https://support.google.com/adwords/answer/2375470?hl=en