- A
Just-in-Time (JIT) VM access
JIT VM access locks down inbound traffic to VMs, reducing exposure while enabling temporary access for administrators.
- B
Azure Bastion
Why wrong: Azure Bastion provides secure RDP and SSH connectivity to VMs directly from the Azure portal without exposing public IPs. It is a separate service, not a Defender for Cloud feature.
- C
Adaptive network hardening
Adaptive network hardening uses machine learning to analyze traffic patterns and provide recommendations to harden Network Security Group (NSG) rules, restricting access to only known IPs and ports.
- D
Vulnerability assessment
Why wrong: Vulnerability assessment (e.g., in Defender for Cloud) scans VMs for known vulnerabilities. It does not directly control inbound port access nor provide just-in-time access.
Quick Answer
The answer is Just-in-Time (JIT) VM access and Adaptive network hardening. JIT VM access directly protects Azure VMs by locking down inbound traffic to management ports like RDP 3389 and SSH 22, only opening them temporarily upon approved requests, which drastically reduces the attack surface. Adaptive network hardening complements this by using machine learning to analyze traffic patterns and automatically tighten network security group rules, blocking risky connections while allowing legitimate flows. On the SC-900 exam, this pairing tests your understanding of how Microsoft Defender for Cloud’s workload protection plans go beyond basic firewalls—a common trap is choosing only one, but the question explicitly asks for two features that work together to secure VMs. Remember the mnemonic “JIT opens, Adaptive tightens” to recall that JIT handles time-bound port access while Adaptive continuously hardens the network perimeter.
SC-900 Practice Question: Describe the capabilities of Microsoft security solutions
This SC-900 practice question tests your understanding of describe the capabilities of microsoft security solutions. 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 security administrator wants to use Microsoft Defender for Cloud to protect Azure VMs. Which two of the following should be enabled to meet the requirements? (Choose two.)
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
Just-in-Time (JIT) VM access
Just-in-Time (JIT) VM access reduces the attack surface by locking down inbound traffic to Azure VMs, only opening ports (e.g., RDP 3389, SSH 22) when requested and for a limited time after approval via Microsoft Defender for Cloud. This directly protects Azure VMs by preventing persistent exposure of management ports.
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
Why this is correct
JIT VM access locks down inbound traffic to VMs, reducing exposure while enabling temporary access for administrators.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Azure Bastion
- ✓
Adaptive network hardening
Why this is correct
Adaptive network hardening uses machine learning to analyze traffic patterns and provide recommendations to harden Network Security Group (NSG) rules, restricting access to only known IPs and ports.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Vulnerability assessment
Why it's wrong here
Vulnerability assessment (e.g., in Defender for Cloud) scans VMs for known vulnerabilities. It does not directly control inbound port access nor provide just-in-time access.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse Azure Bastion (a secure connectivity service) with a security protection feature, or think vulnerability assessment is a protective control rather than a detection tool, leading them to select options that do not actively protect VMs from network-based attacks.
Detailed technical explanation
How to think about this question
Adaptive network hardening uses machine learning to analyze traffic patterns and recommend NSG rules that restrict allowed source IPs and ports to only those actually in use, reducing the attack surface. JIT VM access integrates with Azure RBAC and Azure Policy to enforce time-bound port openings, logging all requests and approvals in Azure Activity Log for audit. Both features are part of Defender for Cloud's 'Protect' workload protections, specifically the 'Access and Application controls' blade.
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.
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FAQ
Questions learners often ask
What does this SC-900 question test?
Describe the capabilities of Microsoft security solutions — This question tests Describe the capabilities of Microsoft security solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Just-in-Time (JIT) VM access — Just-in-Time (JIT) VM access reduces the attack surface by locking down inbound traffic to Azure VMs, only opening ports (e.g., RDP 3389, SSH 22) when requested and for a limited time after approval via Microsoft Defender for Cloud. This directly protects Azure VMs by preventing persistent exposure of management ports.
What should I do if I get this SC-900 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
This SC-900 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 SC-900 exam.
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