- A
Use a stored access policy with a shared access signature
Why wrong: SAS tokens require sharing a secret key, which is not suitable for authenticating application identities without managing secrets.
- B
Configure a firewall on the storage account to allow only the application's IP address
Why wrong: Firewall rules restrict network traffic but do not authenticate the application identity; any client from the allowed IP could access the storage.
- C
Enable a private endpoint for the storage account
Why wrong: Private endpoints restrict access to a virtual network but do not provide application-level authentication.
- D
Use Azure AD authentication with managed identities
Managed identities provide an automatically managed identity in Azure AD, allowing applications to authenticate to storage without storing credentials.
Quick Answer
The correct answer is to use Azure AD authentication with managed identities. This configuration allows Azure resources, such as virtual machines or Azure Functions, to obtain an Azure AD token and authenticate directly to Azure Storage without ever needing shared keys or shared access signatures. By eliminating static secrets, managed identities enforce a zero-trust model where access is granted based on the application’s identity and role assignments, not on stored credentials. On the Microsoft Azure Security Engineer Associate AZ-500 exam, this concept tests your understanding of identity-based access control versus network or key-based methods—a common trap is confusing firewall rules or private endpoints with authentication, but those only control network paths, not who the caller is. Remember the memory tip: “Keys are for locks, identities are for apps”—if the goal is to remove keys, always look for managed identities with Azure AD.
AZ-500 Secure compute, storage, and databases Practice Question
This AZ-500 practice question tests your understanding of secure compute, storage, and databases. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
Your organization uses Azure Storage accounts with blob containers. You need to ensure that only authorized applications can access the storage account, without using shared keys or shared access signatures. What should you configure?
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
Use Azure AD authentication with managed identities
Option A is correct because Azure Storage supports managed identities for Azure resources, allowing applications to authenticate without storing keys. Option B is wrong because firewall rules control network access, not application identity. Option C is wrong because private endpoints provide network isolation, not application authentication. Option D is wrong because SAS tokens still require managing secrets.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use a stored access policy with a shared access signature
Why it's wrong here
SAS tokens require sharing a secret key, which is not suitable for authenticating application identities without managing secrets.
- ✗
Configure a firewall on the storage account to allow only the application's IP address
Why it's wrong here
Firewall rules restrict network traffic but do not authenticate the application identity; any client from the allowed IP could access the storage.
- ✗
Enable a private endpoint for the storage account
Why it's wrong here
Private endpoints restrict access to a virtual network but do not provide application-level authentication.
- ✓
Use Azure AD authentication with managed identities
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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.
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related AZ-500 NAT questions on configuration and troubleshooting.
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Secure compute, storage, and databases — study guide chapter
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FAQ
Questions learners often ask
What does this AZ-500 question test?
Secure compute, storage, and databases — This question tests Secure compute, storage, and databases — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Use Azure AD authentication with managed identities — Option A is correct because Azure Storage supports managed identities for Azure resources, allowing applications to authenticate without storing keys. Option B is wrong because firewall rules control network access, not application identity. Option C is wrong because private endpoints provide network isolation, not application authentication. Option D is wrong because SAS tokens still require managing secrets.
What should I do if I get this AZ-500 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related AZ-500 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 20, 2026
This AZ-500 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-500 exam.
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