An advertiser should group their campaigns by:

Question: An advertiser should group their campaigns by:

Options are:

1. Number of Keywords
2. Type of product or service
3. Maximum cost-per-click (CPC) bids
4. Number of ad groups per campaign

Right Answer:

“Type of product or service“

Answer Explanation:

An advertiser should group their campaigns by type of product or service. A great rule of thumb for building an effective campaign structure is to mirror your website’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 product’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