What should you do?

You need to migrate an internal file upload API with an enforced 500-MB file size limit to App Engine.

What should you do?
A . Use FTP to upload files.
B . Use CPanel to upload files.
C . Use signed URLs to upload files.
D . Change the API to be a multipart file upload AP

Answer: C

Explanation:

Reference: https://wiki.christophchamp.com/index.php?title=Google_Cloud_Platform