Microsoft Certified:Azure Data Fundamentals
Domain 1Objective 1
Describe Ways to Represent Data DP-900 Practice Questions (Page 10)
Part of the Describe core data concepts domain, which accounts for 25–30% of the DP-900 exam. Microsoft does not publish an official question count, but from its 45-minute exam (~20–30 total, ~5–9 in this domain), expect 1–2 from this objective — we provide 48 practice questions to prepare you well beyond it. (estimate)
48questions here
10free pages
9concepts
25–30%of the exam
Questions 46–48
- 46
A software company receives configuration files from IoT devices. Each file contains device ID, timestamp, and a set of sensor readings that vary by device type. The company needs to store these files in a way that supports querying by device ID and timestamp, while preserving the variable sensor readings. Which storage option is most appropriate?
Select an answer first - 47
A retail company stores customer orders in a relational database. Each order has a fixed set of attributes: order ID, customer ID, order date, and total amount. The company now wants to add a flexible field to capture optional delivery instructions that vary by order. What is the most appropriate way to represent this new field while keeping the existing data structured?
Select an answer first - 48
A healthcare system needs to exchange patient records with external partners. The records contain nested information such as patient demographics, insurance details, and medical history. The partners use different systems, so the format must be widely supported and able to represent complex hierarchies. Which format should they use?
Select an answer first
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