PROFESSIONAL-CLOUD-DEVELOPER Question #199: Real Exam Question with Answer & Explanation

Question

You are designing a chat room application that will host multiple rooms and retain the message history for each room. You have selected Firestore as your database. How should you represent the data in Firestore?

Options

• ACreate a collection for the rooms. For each room, create a document that lists the contents of the
• BCreate a collection for the rooms. For each room, create a collection that contains a document for
• CCreate a collection for the rooms. For each room, create a document that contains a collection for
• DCreate a collection for the rooms, and create a document for each room. Create a separate