NTO wants to exclude sending an email at send time to those with a record on the 'Exclude' Data Extension.
The primary key on this data extension is Subscriber Key. How would a developer write the Exclusion Script?

A new record is appended to the Orders data extension each time a customer makes a purchase. Which SQL statement would select a unique list of subscribers who have made multiple purchases?

A developer is using the legacy endpoint www.exacttargetapis.com and has been asked to switch to Tenant Specific Endpoints (TSEs). What is a benefit of switching to TSEs?

Certification Aid created following AMPscript code: %%[ SET @var1 = 10 SET @var2 = 20 SET @var3 = 30 ]%% How can the three variables be summed up to evaluate to 60? Choose 1.

A particular data extension need to be configured to store six months of data.
How should data retention be added to the data extension in Email Studio?