AZ-305 Design infrastructure solutions Practice Question
This AZ-305 practice question tests your understanding of design infrastructure solutions. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company is designing a solution for a data analytics workload. The company receives streaming data from multiple sources, including IoT devices and social media feeds. The data must be ingested, processed in real-time, and stored for historical analysis. The company also wants to use Power BI to create real-time dashboards from the streaming data. You need to recommend a data pipeline architecture. What should you include?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use Azure Event Hubs for ingestion, Azure Stream Analytics for real-time processing, and Power BI for dashboards.
Option A is correct because Azure Event Hubs ingests streaming data, Azure Stream Analytics processes it in real-time, and outputs to Power BI for real-time dashboards. Data can also be stored in Azure Blob Storage for historical analysis. Option B is wrong because Azure IoT Hub is for IoT devices only. Option C is wrong because Azure Data Lake Analytics is for batch processing. Option D is wrong because Azure Synapse Analytics is for big data analytics, not real-time streaming.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Use Azure IoT Hub for ingestion, Azure Stream Analytics for processing, and Power BI for dashboards.
Why it's wrong here
IoT Hub is for IoT devices, not social media feeds.
✗
Use Azure Event Hubs for ingestion, Azure Data Lake Analytics for processing, and Power BI for dashboards.
Why it's wrong here
Data Lake Analytics is for batch, not real-time.
✓
Use Azure Event Hubs for ingestion, Azure Stream Analytics for real-time processing, and Power BI for dashboards.
Why this is correct
Event Hubs, Stream Analytics, and Power BI form a real-time pipeline.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use Azure Event Hubs for ingestion, Azure Synapse Analytics for processing, and Power BI for dashboards.
Why it's wrong here
Synapse Analytics is for big data analytics, not real-time streaming.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-305 question in full detail.
Identify which AZ-305 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Design infrastructure solutions — This question tests Design infrastructure solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use Azure Event Hubs for ingestion, Azure Stream Analytics for real-time processing, and Power BI for dashboards. — Option A is correct because Azure Event Hubs ingests streaming data, Azure Stream Analytics processes it in real-time, and outputs to Power BI for real-time dashboards. Data can also be stored in Azure Blob Storage for historical analysis. Option B is wrong because Azure IoT Hub is for IoT devices only. Option C is wrong because Azure Data Lake Analytics is for batch processing. Option D is wrong because Azure Synapse Analytics is for big data analytics, not real-time streaming.
What should I do if I get this AZ-305 question wrong?
Identify which AZ-305 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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