What’s the relationship between Google Merchant Center and Google Ads?
Correct Answer
Google Merchant Center passes inventory data to Google Ads so advertisers can use the data to build a Shopping campaign.
Key takeaways
Merchant Center holds product data and passes it to Google Ads.
Inventory flows one way — into the ads account.
The link must be approved before any Shopping campaign can serve.
Why is this the correct answer?
Merchant Center holds the product data and passes it to Google Ads, where campaigns turn that inventory into ads and bid on it. The direction matters: inventory flows from Merchant Center into the ads account, never the other way. That is why the two must be linked before a Shopping campaign can serve, and why a feed problem shows up as a campaign with nothing to advertise.
Why are the other options wrong?
Google Merchant Center passes campaign performance to Google Ads so advertisers can use the data to influence future campaign builds.
Campaign performance data lives in Google Ads. Merchant Center reports on product and feed status instead.
Google Ads passes inventory data to Google Merchant Center so advertisers can use the data to build a Shopping campaign.
This reverses the flow. Inventory originates in Merchant Center and is passed to Google Ads.
Google Ads passes campaign performance to Google Merchant Center so advertisers can use the data to influence future campaign builds.
Google Ads does not pass campaign performance to Merchant Center. Performance reporting stays in the ads account.
Frequently asked questions about this topic
Where should I look when impressions drop suddenly?
Merchant Center Diagnostics first. Item disapprovals and feed failures silently remove products from the auction while the campaign still looks active in Google Ads, so a drop with no bidding change usually traces back there.
Topics in this question
About the Shopping Ads Certification
The Shopping Ads Certification checks that you can run retail campaigns end to end: product data in Merchant Center, linking it to Google Ads, and choosing between Standard Shopping and Performance Max to drive sales and value.
Exam guide and all 407 Google Ads Shopping questions →Related Google Ads Shopping questions
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