AZ-900 Describe Azure architecture and services Practice Question
Which Azure service provides a managed Apache Hadoop cluster for processing large amounts of data using batch analytics?
⚠ Common exam trap
Many candidates confuse Azure Databricks (which also uses Spark) with HDInsight, but Databricks is not a managed Hadoop cluster and focuses on collaborative analytics and machine learning, not native batch Hadoop processing.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure HDInsight
Azure HDInsight is the correct answer because it is a fully managed, open-source analytics service that provides Apache Hadoop clusters specifically designed for batch processing of large data sets using MapReduce and other Hadoop ecosystem components. Unlike other services, HDInsight directly supports Hadoop's distributed file system (HDFS) and YARN resource management, making it the native choice for traditional big data batch analytics.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Azure Databricks
Why it's wrong here
Azure Databricks is an optimized Apache Spark-based analytics platform, offering collaborative notebooks and managed clusters for big data workloads such as ETL and machine learning. While it is commonly used for processing large datasets, it does not represent the fully managed, native HDInsight service that is specifically associated with Microsoft's Apache Hadoop offering. Since the question asks for the managed Hadoop service, Databricks is incorrect.
- ✓
Azure HDInsight
Why this is correct
Azure HDInsight is the managed cloud service built for running Apache Hadoop (and related open-source frameworks such as Spark, Hive, and HBase) on large datasets. It supports traditional batch processing via MapReduce and Hive jobs, storing data in Azure Storage or Azure Data Lake for scale. As the direct, first-party answer for Hadoop-style batch analytics, this is the correct choice.
- ✗
Azure Synapse Analytics
Why it's wrong here
Azure Synapse Analytics is an enterprise data warehousing service that combines massive parallel processing over relational tables with serverless SQL queries on data lakes. It is not a managed Hadoop service and does not run the Hadoop/MapReduce open-source stack. Although it can perform some big-data analytics, its managed cluster model and focus on SQL/data warehousing make it the wrong answer for the specified Hadoop batch scenario.
- ✗
Azure Stream Analytics
Why it's wrong here
Azure Stream Analytics is a real-time stream processing service that runs continuous SQL-style queries over data coming from sources like Event Hubs or IoT Hub. It has no support for executing MapReduce jobs or batch analytics on stored HDFS/Hadoop data. Because the question specifically asks about batch analytics on large datasets, this service is the wrong choice.
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Senior Network & Security Engineer · founder of Courseiva
This AZ-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AZ-900 exam.