The answer is to enable a system-assigned managed identity for the Automation account. This is correct because managed identities provide Azure AD-backed, automatically rotated credentials, eliminating the need to store secrets or connection strings in the runbook code or in Automation credential assets. When the runbook triggers the database export to a storage account, it uses the managed identity to authenticate to Azure SQL Database and to the storage account, ensuring a secure, passwordless connection. On the DP-300 exam, this scenario tests your understanding of secure authentication patterns for automated workloads, often contrasting managed identities with less secure options like embedded SQL authentication or Automation account run-as accounts. A common trap is selecting a run-as account, but remember that managed identities are the modern, recommended approach for Azure Automation. Memory tip: think “MI for AI” — Managed Identity for Automation Integration.
DP-300 Configure and manage automation of tasks Practice Question
This DP-300 practice question tests your understanding of configure and manage automation of tasks. 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.
You have an Azure SQL Database that needs to be backed up daily using Azure Automation runbooks. The runbook must trigger an export of the database to a storage account. How should you configure the runbook to authenticate securely to Azure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable a system-assigned managed identity for the Automation account
Option C is correct because Managed Identity (system-assigned or user-assigned) is the recommended secure authentication method for Azure Automation runbooks, avoiding stored credentials. Option A uses credentials stored in the runbook, which is less secure. Option B uses automation account credentials, which still requires key management. Option D is not a valid type.
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 shared access signature (SAS) token stored in the runbook
Why it's wrong here
SAS tokens can expire and are not recommended for automated authentication.
✗
Use Automation Account credential assets
Why it's wrong here
While credential assets are more secure than plain text, they still require key management.
✓
Enable a system-assigned managed identity for the Automation account
Why this is correct
Managed identities provide secure authentication without storing credentials.
Related concept
Static NAT maps one inside address to one outside address.
✗
Store the SQL admin credentials as variables in the runbook
Why it's wrong here
Storing credentials in variables is insecure and not recommended.
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 DP-300 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 DP-300 NAT questions on configuration and troubleshooting.
Configure and manage automation of tasks — This question tests Configure and manage automation of tasks — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Enable a system-assigned managed identity for the Automation account — Option C is correct because Managed Identity (system-assigned or user-assigned) is the recommended secure authentication method for Azure Automation runbooks, avoiding stored credentials. Option A uses credentials stored in the runbook, which is less secure. Option B uses automation account credentials, which still requires key management. Option D is not a valid type.
What should I do if I get this DP-300 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 DP-300 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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