Google Cloud Professional Cloud Developer PCD — Topic 1 Question 182

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?

Accepted Answer

Correct answer: C. The correct answer is C. Option C: Create a collection for the rooms. For each room, create a document that contains a collection for documents, each of which contains a message.

Google Cloud Professional Cloud Developer PCD — Question 182