How many extension types can show up in any given ad auction? February 21, 2019 By CertificationAnswers How many extension types can show up in any given ad auction? 4 extensions 6 extensions 10 extensions 3 extensions Get certified in Performance Smart Assessment ! Related content Related posts:Match the client goal to the correct ad extension.Which attributes describe a good landing page…If a client wants to add a layer of auction-time…Why should an advertiser consider automated bidding?…