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Hi Robert,
The scenario says that the on-premises web application allows anyone around the globe to search its back catalog and retrieve individual newspaper pages on their web portal. This application uses a commercial Optical Character Recognition (OCR) software that automatically converts images to a text file. The “commercial search application” in the option simply refers to this web application.
The OCR must be replaced by another service, like Amazon Rekognition while the search application can be replaced by CloudSearch.
To avoid any confusion, I have updated the option to provide more clarity. Let us know if you need further assistance. The Tutorials Dojo team is dedicated to help you pass your AWS exam on your first try!
Regards,
Jon Bonso @ Tutorials Dojo
