Quick Answer
The answer is the Log Analytics Contributor role. This role is correct because it grants the managed identity the necessary permissions to send data to a Log Analytics workspace, specifically enabling the creation and management of data collection rules and the ability to write log data via the Data Collection API. On the Microsoft Azure Developer Associate AZ-204 exam, this scenario tests your understanding of how managed identities interact with Azure Monitor’s ingestion pipeline, often appearing in questions about serverless functions that need to centralize diagnostics. A common trap is confusing this with the Log Analytics Reader role, which only allows reading data, not writing it, or with Monitoring Contributor, which is broader and less precise for direct log ingestion. For a memory tip, think of the phrase “Contributor writes, Reader only cites”—the Contributor role is the one that actively pushes logs into the workspace, making it the only suitable choice for an Azure Functions managed identity tasked with writing logs.
This AZ-204 practice question tests your understanding of implement azure security. 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.
You are developing a serverless function using Azure Functions that needs to write logs to a Log Analytics workspace. The function uses a managed identity. Which RBAC role should you assign to the function's managed identity?
Log Analytics Reader
Why wrong: Reader role cannot write data.
Monitoring Contributor
Why wrong: Monitoring Contributor does not grant write access to Log Analytics.
Log Analytics Contributor
This role allows writing to Log Analytics workspaces.
Storage Blob Data Contributor
Why wrong: This role is for Azure Storage blobs, not Log Analytics.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Log Analytics Contributor
The Log Analytics Contributor role is required because it grants the managed identity the necessary permissions to send data to a Log Analytics workspace, including the ability to create and manage data collection rules and write log data. This role is specifically designed for scenarios where an Azure resource, such as an Azure Function, needs to ingest logs into Log Analytics via the Data Collection API.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Log Analytics Reader
Why it's wrong here
Reader role cannot write data.
Monitoring Contributor
Why it's wrong here
Monitoring Contributor does not grant write access to Log Analytics.
Log Analytics Contributor
Why this is correct
This role allows writing to Log Analytics workspaces.
Related concept
Read the scenario before looking for a memorised answer.
Storage Blob Data Contributor
Why it's wrong here
This role is for Azure Storage blobs, not Log Analytics.
Common exam traps
The trap here is that candidates often confuse the Log Analytics Contributor role with the Monitoring Contributor role, mistakenly thinking the latter covers log ingestion, but Monitoring Contributor lacks the specific write permissions to the Log Analytics workspace data plane.
Detailed technical explanation
Under the hood, the Log Analytics Contributor role includes the 'Microsoft.OperationalInsights/workspaces/write' and 'Microsoft.OperationalInsights/workspaces/sharedKeys/action' permissions, which are required for the managed identity to authenticate and send log data via the Log Analytics Ingestion API (HTTP POST to the workspace's data collection endpoint). In a real-world scenario, if the function uses the Azure Monitor Ingestion client library, the managed identity must have this role to successfully push custom logs or diagnostic data.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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.
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FAQ
Implement Azure security — This question tests Implement Azure security — Read the scenario before looking for a memorised answer..
The correct answer is: Log Analytics Contributor — The Log Analytics Contributor role is required because it grants the managed identity the necessary permissions to send data to a Log Analytics workspace, including the ability to create and manage data collection rules and write log data. This role is specifically designed for scenarios where an Azure resource, such as an Azure Function, needs to ingest logs into Log Analytics via the Data Collection API.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
This AZ-204 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-204 exam.
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