- A
Block the IP using Microsoft Defender for Cloud's adaptive network hardening.
Why wrong: Adaptive network hardening recommends NSG rules but does not block immediately.
- B
Use Azure Firewall Manager to create a global deny rule for the IP address across all firewalls.
Firewall Manager can apply a policy to multiple firewalls, ensuring consistent blocking.
- C
Create a network security group (NSG) rule on each virtual network subnet to deny the IP.
Why wrong: NSG rules are per-subnet and require manual application to all subnets.
- D
Add a rule to the Azure Firewall policy to deny outbound traffic to the IP address.
Why wrong: A single rule in the firewall policy blocks traffic through that firewall, but if multiple firewalls exist, each needs the rule.
Question 1,230 of 1,639
SC-200 Respond to security incidents Practice Question
This SC-200 practice question tests your understanding of respond to security incidents. 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.
During a security incident, you need to block a malicious IP address at the network level for all Azure resources in a subscription. You have Azure Firewall deployed. What is the MOST efficient method to implement the block?
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
✓
Use Azure Firewall Manager to create a global deny rule for the IP address across all firewalls.
Azure Firewall Manager provides centralized management of Azure Firewall policies across multiple firewalls, allowing you to create a global deny rule that applies to all firewalls in a subscription. This is the most efficient method because it avoids configuring individual firewalls or NSGs, and it ensures consistent enforcement at the network level for all Azure resources.
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.
- ✗
Block the IP using Microsoft Defender for Cloud's adaptive network hardening.
Why it's wrong here
Adaptive network hardening recommends NSG rules but does not block immediately.
- ✓
Use Azure Firewall Manager to create a global deny rule for the IP address across all firewalls.
Why this is correct
Firewall Manager can apply a policy to multiple firewalls, ensuring consistent blocking.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create a network security group (NSG) rule on each virtual network subnet to deny the IP.
Why it's wrong here
NSG rules are per-subnet and require manual application to all subnets.
- ✗
Add a rule to the Azure Firewall policy to deny outbound traffic to the IP address.
Why it's wrong here
A single rule in the firewall policy blocks traffic through that firewall, but if multiple firewalls exist, each needs the rule.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure Firewall Manager with individual firewall rule management, assuming that adding a rule directly to a firewall policy (Option D) is sufficient, but they overlook the need for a centralized, global block that applies to all firewalls and both traffic directions.
Detailed technical explanation
How to think about this question
Azure Firewall Manager uses a parent-child policy hierarchy where a global rule collection (e.g., a deny rule for a specific IP) can be applied at the root policy level, automatically inherited by all child firewall policies. This ensures that even if new firewalls are deployed or policies are updated, the block remains enforced without manual intervention. In contrast, NSG rules are stateful and apply only at the subnet or NIC level, missing traffic that flows through Azure Firewall (e.g., forced tunneling or hub-spoke architectures).
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 healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
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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Respond to security incidents — study guide chapter
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FAQ
Questions learners often ask
What does this SC-200 question test?
Respond to security incidents — This question tests Respond to security incidents — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use Azure Firewall Manager to create a global deny rule for the IP address across all firewalls. — Azure Firewall Manager provides centralized management of Azure Firewall policies across multiple firewalls, allowing you to create a global deny rule that applies to all firewalls in a subscription. This is the most efficient method because it avoids configuring individual firewalls or NSGs, and it ensures consistent enforcement at the network level for all Azure resources.
What should I do if I get this SC-200 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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
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Last reviewed: Jul 4, 2026
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