A developer wants to delete a batch of subscribers from Marketing Cloud. The developer performs a Contact Delete on a batch of records in a data extension in Contact Builder. Which scenario would cause subscriber records to remain in the data extension?

NTO is using an asyncrhonous SOAP API call to the TriggerSend object to send order confirmation email to their customers. Which API object and attribute should be used to retrieve the status of the API call?

A developer needs to identify all subscribers who were sent Job ID 420 but did not click any links. Which SQL statement would produce the desired results?

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?

Clock Kicks would like to encrypt and store form data submitted from a CloudPage in a data extension using AMPscript. Which three encryption options could be used when creating a new key in Key Management? Choose 3