Question 477 of 997

Implement Azure security →mediumMultiple ChoiceObjective-mapped

AZ-204 Implement Azure security Practice Question

This AZ-204 practice question tests your understanding of implement azure security. 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 has an application running on Azure Virtual Machines that needs to access secrets in Azure Key Vault. You want to restrict network access to the Key Vault so that only the virtual network/subnet containing the VMs can reach it. You also want to ensure that the solution works with the least management overhead. Which configuration should you use?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "least"
Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.

Question 1mediummultiple choice

Review the full subnetting walkthrough →

A
Configure Key Vault firewall with IP-based rules that allow the VM's public IP address.
Why wrong: IP rules rely on public IP addresses, which may change and are less secure. It also does not leverage the virtual network boundary.
B
Configure a Private Endpoint for the Key Vault in the same virtual network as the VMs.
Why wrong: Private Endpoint provides a private IP from the VNet, but it requires setting up Private DNS zones and has more complexity than service endpoints for this simple scenario.
C
Configure Key Vault firewall to allow access from the virtual network and subnet using service endpoints.
Enabling service endpoints on the subnet and adding the VNet/Subnet to the Key Vault firewall rules restricts traffic to only that subnet. It is easy to configure and provides secure network isolation.
D
Use a shared access signature (SAS) to access Key Vault secrets.
Why wrong: SAS tokens are used for Azure Storage, not for Key Vault. Key Vault uses Microsoft Entra ID authentication and access policies or RBAC.

Full breakdown with real-world context →

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

✓

Configure Key Vault firewall to allow access from the virtual network and subnet using service endpoints.

Option C is correct because configuring Key Vault firewall with virtual network service endpoints allows you to restrict access to the Key Vault to a specific virtual network and subnet without exposing the VMs to the internet. This approach leverages Azure's backbone network for traffic, providing secure and direct connectivity with minimal management overhead, as service endpoints are automatically maintained by Azure.

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.

✗
Configure Key Vault firewall with IP-based rules that allow the VM's public IP address.
Why it's wrong here
IP rules rely on public IP addresses, which may change and are less secure. It also does not leverage the virtual network boundary.
✗
Configure a Private Endpoint for the Key Vault in the same virtual network as the VMs.
Why it's wrong here
Private Endpoint provides a private IP from the VNet, but it requires setting up Private DNS zones and has more complexity than service endpoints for this simple scenario.
✓
Configure Key Vault firewall to allow access from the virtual network and subnet using service endpoints.
Why this is correct
Enabling service endpoints on the subnet and adding the VNet/Subnet to the Key Vault firewall rules restricts traffic to only that subnet. It is easy to configure and provides secure network isolation.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use a shared access signature (SAS) to access Key Vault secrets.
Why it's wrong here
SAS tokens are used for Azure Storage, not for Key Vault. Key Vault uses Microsoft Entra ID authentication and access policies or RBAC.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse Private Endpoints with service endpoints, assuming Private Endpoints are always the best choice for network isolation, but service endpoints are simpler and have less management overhead when you only need to restrict access to a specific virtual network/subnet without requiring private IP connectivity.

Trap categories for this question

Scenario analysis trap
Private Endpoint provides a private IP from the VNet, but it requires setting up Private DNS zones and has more complexity than service endpoints for this simple scenario.

Detailed technical explanation

How to think about this question

Virtual network service endpoints extend your virtual network private address space and the identity of your VNet to Azure services over a direct connection on the Azure backbone. When enabled for Key Vault, traffic from the specified subnet to the Key Vault always stays within the Microsoft Azure network, bypassing the internet. This is achieved by adding the subnet's virtual network identifier to the Key Vault firewall rules, which is more efficient than Private Endpoint for scenarios where you only need to restrict access to a specific subnet without requiring the private IP address for the Key Vault.

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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this AZ-204 question test?

Implement Azure security — This question tests Implement Azure security — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Configure Key Vault firewall to allow access from the virtual network and subnet using service endpoints. — Option C is correct because configuring Key Vault firewall with virtual network service endpoints allows you to restrict access to the Key Vault to a specific virtual network and subnet without exposing the VMs to the internet. This approach leverages Azure's backbone network for traffic, providing secure and direct connectivity with minimal management overhead, as service endpoints are automatically maintained by Azure.

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.

Are there clue words in this question I should notice?

Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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