Which feature indicates where the dividing curtain is in the CRJ 550 cabin?

The dividing curtain in the CRJ 550 cabin is typically located between the two wardrobe closets. This placement allows for a clear separation of the cabin, distinguishing between different service areas or passenger classes while also being practical for the aircraft's layout. The wardrobe closets are situated in a way that provides a logical and effective space for this curtain, allowing flight attendants to easily manage service and passenger comfort.

Understanding the location of the dividing curtain is crucial for crew members, as it helps streamline boarding, deplaning, and in-flight service while maintaining passenger privacy and comfort. The other locations mentioned, while relevant to the cabin's structure or functionality, do not serve the specific purpose of indicating where the dividing curtain is situated.