The answer is that the package must be a ZIP file and it must be accessible via a URL or stored locally in the /home/data/SitePackages directory. This is because the Run from Package feature in Azure App Service mounts the ZIP directly as the read-only wwwroot, bypassing file extraction and improving cold-start performance; the service downloads the package from the provided URL during startup, so the URL must be either publicly reachable or secured with a SAS token. On the AZ-204 exam, this concept tests your understanding of deployment optimization and often appears as a distractor where candidates mistakenly think the package must be extracted or that any archive format works. A common trap is assuming the package can be an ISO or tar file, but only ZIP is supported. Memory tip: think “ZIP it and link it” — the package must be zipped and either linked via a URL or placed directly in the site’s data directory.
AZ-204 Develop Azure compute solutions Practice Question
This AZ-204 practice question tests your understanding of develop azure compute 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.
Which TWO conditions are required to use the 'Run from Package' feature in Azure App Service?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The package must be accessible via a URL if not deployed locally.
Option A is correct because the 'Run from Package' feature in Azure App Service requires the deployment package to be accessible via a URL if it is not deployed locally (e.g., uploaded directly via the Azure portal or CLI). When using a remote URL, the package must be publicly accessible or secured with a SAS token, as App Service downloads it to the /home/data/SitePackages directory during startup. This ensures the app runs directly from the package without extracting it to the wwwroot folder.
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.
✓
The package must be accessible via a URL if not deployed locally.
Why this is correct
If using external package, a URL (with SAS token if private) is required.
Related concept
Read the scenario before looking for a memorised answer.
✗
The package must be stored in Azure Blob Storage.
Why it's wrong here
The package can also be deployed directly to the app's file system.
✓
The package must be a ZIP file.
Why this is correct
Only ZIP files are supported for 'Run from Package'.
Related concept
Read the scenario before looking for a memorised answer.
✗
The package size cannot exceed 500 MB.
Why it's wrong here
The limit is 1 GB.
✗
The App Service must have a managed identity to access the package.
Why it's wrong here
Managed identity is not required if using a SAS URL.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume the package must be in Azure Blob Storage (Option B) or require a managed identity (Option E), but Azure App Service supports any accessible URL and uses SAS tokens for private storage, not managed identities.
Detailed technical explanation
How to think about this question
Under the hood, when 'Run from Package' is enabled, Azure App Service sets the WEBSITE_RUN_FROM_PACKAGE app setting to '1' (for local packages) or a URL (for remote packages). The package is mounted as a read-only drive, and the app runs directly from it, improving cold start performance and ensuring consistency. A real-world scenario is deploying a large monolithic app where extracting to wwwroot would be slow; using a remote package URL with a SAS token allows seamless updates without downtime.
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.
TExam Day Tips
→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-204 question in full detail.
Develop Azure compute solutions — This question tests Develop Azure compute solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The package must be accessible via a URL if not deployed locally. — Option A is correct because the 'Run from Package' feature in Azure App Service requires the deployment package to be accessible via a URL if it is not deployed locally (e.g., uploaded directly via the Azure portal or CLI). When using a remote URL, the package must be publicly accessible or secured with a SAS token, as App Service downloads it to the /home/data/SitePackages directory during startup. This ensures the app runs directly from the package without extracting it to the wwwroot folder.
What should I do if I get this AZ-204 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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