- A
Just-in-Time (JIT) VM Access from Microsoft Defender for Cloud
Why wrong: JIT reduces exposure by opening ports for a limited time, but it still requires a public IP on the VM and does not itself enforce MFA. Additional configuration would be needed for MFA.
- B
Azure Bastion
Correct. Azure Bastion provides secure RDP/SSH access without public IPs and integrates with Azure AD and Conditional Access to enforce MFA, fulfilling both requirements.
- C
Network Security Groups (NSGs) with allow rules for RDP only from a trusted IP
Why wrong: NSGs can restrict source IPs but still require the VM to have a public IP and do not enforce MFA. This does not meet the MFA requirement.
- D
Azure Firewall with DNAT rules to forward RDP traffic
Why wrong: Even with Azure Firewall, the VM would still be exposed via the firewall's public IP, and MFA is not natively enforced. Additional components would be needed to add MFA.
AZ-500 Secure networking Practice Question
This AZ-500 practice question tests your understanding of secure networking. 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.
A company has several Azure virtual machines (VMs) in a VNet that host a legacy application. IT support staff need to perform remote administration using RDP. The security team wants to avoid exposing the VMs to the public internet and also enforce Azure Multi-Factor Authentication (MFA) for all RDP sessions. Which Azure service should they deploy to meet these requirements?
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
Azure Bastion
Azure Bastion provides secure, seamless RDP/SSH connectivity to Azure VMs directly from the Azure portal over TLS, without exposing the VMs to a public IP address. It also integrates with Azure AD and Conditional Access to enforce Azure Multi-Factor Authentication (MFA) for all RDP sessions, meeting both the security and compliance requirements.
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.
- ✗
Just-in-Time (JIT) VM Access from Microsoft Defender for Cloud
- ✓
Azure Bastion
- ✗
Network Security Groups (NSGs) with allow rules for RDP only from a trusted IP
- ✗
Azure Firewall with DNAT rules to forward RDP traffic
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Just-in-Time (JIT) VM Access with MFA enforcement, but JIT only controls network-level access timing and does not natively enforce Azure MFA for the RDP session itself.
Detailed technical explanation
How to think about this question
Azure Bastion is a fully platform-managed PaaS service that is deployed inside a VNet and uses TLS 1.2+ to tunnel RDP/SSH traffic, eliminating the need for public IPs on target VMs. It integrates with Azure AD Conditional Access policies, allowing administrators to require MFA, device compliance, or other conditions before the RDP session is established. Under the hood, Bastion uses a dedicated subnet (AzureBastionSubnet) and scales out based on session load, providing high availability without additional configuration.
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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Secure networking — study guide chapter
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FAQ
Questions learners often ask
What does this AZ-500 question test?
Secure networking — This question tests Secure networking — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Azure Bastion — Azure Bastion provides secure, seamless RDP/SSH connectivity to Azure VMs directly from the Azure portal over TLS, without exposing the VMs to a public IP address. It also integrates with Azure AD and Conditional Access to enforce Azure Multi-Factor Authentication (MFA) for all RDP sessions, meeting both the security and compliance requirements.
What should I do if I get this AZ-500 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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Last reviewed: Jun 11, 2026
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