AZ-900 Describe Azure architecture and services Practice Question

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 Logic Apps

  Why it's wrong here

  Azure Logic Apps is a low-code workflow orchestration service designed to automate business processes and integrate applications through triggers and actions connecting to SaaS and on-premises systems. However, it is not a purpose-built ETL tool: it lacks the native data transformation, large-scale copy activity, and pipeline-based scheduling that Azure Data Factory offers. While Logic Apps can handle simple data movement, Azure Data Factory is the proper service for extracting data from SaaS sources and loading it into Azure data stores.

• ✓

  Azure Data Factory

  Why this is correct

  Azure Data Factory is the correct choice because it is a cloud-based ETL and data integration service with over 90 built-in connectors, including dedicated connectors for SaaS applications such as Salesforce and ServiceNow. It lets you build pipelines with copy activities, data flows, and triggers to extract data on a schedule, transform it, and load it into destinations like Azure Synapse Analytics, Azure SQL Database, or Azure Blob Storage. This makes Data Factory the dedicated solution for scheduled, large-scale data movement, unlike workflow, messaging, or event routing alternatives.

• ✗

  Azure Event Grid subscriptions

  Why it's wrong here

  Azure Event Grid is an event routing service that pushes real-time events from publisher sources to subscriber handlers, enabling reactive, event-driven architectures. It is not designed for poll-based, scheduled batch extraction of data from SaaS platforms; its lifecycle centers on near-real-time event delivery rather than ETL pipelines. Azure Data Factory provides the scheduled orchestration and data movement capabilities required for copying data from SaaS sources into analytical stores.

• ✗

  Azure Service Bus

  Why it's wrong here

  Azure Service Bus is a fully managed enterprise message broker that decouples applications by reliably delivering messages through queues and pub/sub topics. It does not extract data from SaaS applications or load it into Azure data warehouses; its role is to relay messages between components at runtime. Azure Data Factory, in contrast, uses its extensive connector library to perform scheduled, at-scale ingestion and transformation from platforms like Salesforce and ServiceNow.

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