A developer wants to design a custom subscription center in CloudPages. The developer prefers to code in AMPscript, but is also skilled in Server-Side JavaScript. While the developer is confident their code is of high quality, they would still like to handle unexprected errors gracefully to ensure the best user experience. Which feature should handle this scenario?

Certification Aid wants to include SSJS in an email message. Which code block can be used for this? Choose
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A developer wants to upload a base64-encoded file to Content Builder using an API Installed Package but receives an insufficient Privileges error. What should the developer check to troubleshoot the error?

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?

Adeveloper wants to retrieve daily JSON data from a customer's API and write it to a data extension for consumption in Marketing Cloud at a later time.
What set of Server-Side JavaScript activities should the developer use?