Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A company has a policy that all Azure Storage accounts must have diagnostic settings enabled to send logs and metrics to a specific Log Analytics workspace. The governance team wants to automatically configure these diagnostic settings when a new storage account is created, without blocking the initial creation. The solution must not require manual intervention. Which Azure Policy effect should the team use in their policy definition?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
DeployIfNotExists
DeployIfNotExists will automatically deploy a diagnostic setting to a storage account if it does not already exist. This meets the requirement of automatic configuration without blocking the storage account creation.
B
Distractor review
Audit
Audit creates a compliance log entry when a condition is evaluated, but it does not take any action to deploy or change resources. It would only report non-compliance, not automatically configure the diagnostic settings.
C
Distractor review
Deny
Deny prevents the creation of resources that do not meet the policy condition. In this case, it would block the creation of a storage account that lacks diagnostic settings, which contradicts the requirement to allow creation and then automatically configure.
D
Distractor review
Append
Append is used to add additional fields or properties to an existing resource during creation or update, such as adding a tag. It cannot deploy a separate resource like a diagnostic setting, so it is not suitable for this scenario.
Common exam trap
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Technical deep dive
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
- Standard ACLs match source addresses.
- Extended ACLs can match source, destination, protocol and ports.
- The first matching ACL entry is used.
- There is usually an implicit deny at the end.
TExam Day Tips
- Check inbound versus outbound direction.
- Read the ACL from top to bottom.
- Look for a broader permit or deny above the intended line.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A developer is building a serverless application that requires integration with an on-premises SQL Server database for real-time data processing. The on-premises network is connected to Azure via a site-to-site VPN. Which Azure service would allow the function to securely access the on-premises database without exposing it to the public internet?
Question 2
A solutions architect is designing a storage solution for a large media company. The company needs to store video files that are accessed infrequently but must be retained for several years for compliance. Which two Azure storage options meet these requirements? (Select two.)
Question 3
A company deploys a multi-tier application using Azure virtual machines. The web tier VMs must be evenly distributed across two distinct data centers within an Azure region to avoid a single point of failure from an infrastructure outage. Which Azure construct should they use to meet this requirement?
Question 4
A company wants to enforce a set of security policies across all their Azure subscriptions. They have created several individual policy definitions. Which Azure construct should they use to group these policies together and assign them as a single package?
Question 5
A company deploys a line-of-business application on an Azure virtual machine. The IT team wants to ensure the application remains secure. According to the shared responsibility model, which of the following security tasks is the sole responsibility of the customer (the company)?
Question 6
A company develops a web API that runs on Azure App Service. The development team wants to deploy a new version of the API to a staging environment, run integration tests against it, and then gradually shift production traffic to the new version. If any issues are detected, they want to immediately roll back to the previous version without redeploying. Which Azure App Service feature should the team use to meet these requirements?
FAQ
Questions learners often ask
What does this AZ-900 question test?
Standard ACLs match source addresses.
What is the correct answer to this question?
The correct answer is: DeployIfNotExists — Azure Policy supports several effects. 'DeployIfNotExists' is used to automatically deploy a resource (like a diagnostic setting) when a condition is met and the resource does not already exist. In this scenario, the condition is the creation of a storage account, and the missing resource is the diagnostic setting. The other effects are not suitable because they either block creation (Deny), report compliance only (Audit), or cannot create entire resources (Append).
What should I do if I get this AZ-900 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
Discussion
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