Question: An SEM manager wants to combine as many campaigns as possible into a single portfolio to allow the algorithm to find more opportunities. Which of the following is a constraint regarding campaign management?
- A campaign must have at least 1,000 keywords to be eligible.
- Campaigns can be managed by three different bid strategies.
- Bid strategies only work with Google Ads campaigns.
- One campaign can only be managed by one bid strategy.
Explanation
A campaign in Search Ads 360 can be included in only one active bid strategy at a time. This prevents conflicting bidding logic from making different bid decisions for the same campaign. Portfolio bidding can still include many campaigns, but each campaign must belong to a single strategy. This constraint helps the system optimize consistently toward one selected goal.
Why the other options are incorrect
Three different bid strategies is incorrect because overlapping bid strategy control would create conflicting optimization signals.
1,000 keywords is incorrect because eligibility is not based on a fixed keyword-count requirement.
Google Ads campaigns only is incorrect because Search Ads 360 supports bid strategies across supported search engine accounts.
Source for verification
https://support.google.com/sa360/table/16471635
https://support.google.com/sa360/answer/9916580
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