The correct choice is to configure a managed identity for the Batch pool. This works because managed identities for Azure resources provide an automatically managed service principal in Azure AD, allowing compute nodes to authenticate directly to Azure Storage without ever storing or rotating credentials. On the AZ-204 exam, this scenario tests your understanding of identity-based access versus key-based secrets; a common trap is selecting storage account keys or SAS tokens, which are shared secrets that can be leaked or exposed. The exam emphasizes that managed identities eliminate credential management entirely by letting Azure handle the authentication flow behind the scenes. For a memory tip, remember that "managed" means Microsoft manages the identity lifecycle, so you never have to touch a key—think "no keys, no leaks."
AZ-204 Develop Azure compute solutions Practice Question
This AZ-204 practice question tests your understanding of develop azure compute solutions. 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 company runs a batch processing job on Azure Batch. The job processes large datasets and requires access to Azure Storage. You need to ensure that the compute nodes can securely access the storage account without exposing credentials. What should you configure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Managed identity for the Batch pool
Option C is correct because managed identities for Azure resources allow compute nodes to authenticate to Azure Storage without storing credentials. Option A is wrong because storage account keys are shared secrets. Option B is wrong because SAS tokens can be exposed. Option D is wrong because Azure AD service principals require managing credentials.
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.
✗
Azure AD service principal
Why it's wrong here
Service principals require client secrets or certificates, which still need to be managed.
✗
Storage account access keys
Why it's wrong here
Access keys are long-lived shared secrets that must be stored securely and can be compromised.
✓
Managed identity for the Batch pool
Why this is correct
Assign a managed identity to the Batch pool to authenticate to Azure Storage without any secrets.
Related concept
Static NAT maps one inside address to one outside address.
✗
Shared access signatures (SAS)
Why it's wrong here
SAS tokens grant time-limited access but still require distributing tokens to nodes.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-204 question in full detail.
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-204 NAT questions on configuration and troubleshooting.
Develop Azure compute solutions — This question tests Develop Azure compute solutions — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Managed identity for the Batch pool — Option C is correct because managed identities for Azure resources allow compute nodes to authenticate to Azure Storage without storing credentials. Option A is wrong because storage account keys are shared secrets. Option B is wrong because SAS tokens can be exposed. Option D is wrong because Azure AD service principals require managing credentials.
What should I do if I get this AZ-204 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-204 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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Question Discussion
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