Certification Aid wants to add new customers to a cross-channel welcome campaign when they register on the company website. Which API should be used for this? Choose 1.

A developer wants to create a CloudPage which is linked from an email. %%[SET @point = RequestParameter(x) SET @value = 5 IF Length(@point) > 1 THEN SET @value = 1 ELSEIF Length(@point)>2 THEN SET @value = 2 ELSEIF Length(@point) >3 THEN SET@value = 3 ELSEIF Length(@point) >4 THEN SET @value = 4 ENDIF]%% Which is the expected value of @value if x = 'Tacos'?

A developer identified a use case where a triggered send of an email is needed. The developer already successfully set up authentication with a Client ID and Client Secret has used them in several REST calls. When the REST call is made, a "401 Unauthorized" error is returned. What is the first thing the developer should check?

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?

NTO wants to exclude sends to specific subscribers based on a business rule, which is defined in an Exclusion Script. Which three types of sends would support this functionality? Choose 3