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.
Exhibit
Refer to the exhibit.
{
"properties": {
"displayName": "Block malicious IP",
"description": "Blocks traffic from known malicious IP addresses.",
"securityPolicy": {
"isEnabled": true,
"rules": [
{
"name": "BlockIP",
"priority": 100,
"sourceAddresses": ["10.0.0.5"],
"destinationAddresses": ["*"],
"access": "Deny",
"direction": "Inbound",
"protocol": "Any"
}
]
}
}
}
You are analyzing a firewall policy in Azure Firewall deployed via Azure Policy. What is the effect of this rule?
Exhibit
Refer to the exhibit.
{
"properties": {
"displayName": "Block malicious IP",
"description": "Blocks traffic from known malicious IP addresses.",
"securityPolicy": {
"isEnabled": true,
"rules": [
{
"name": "BlockIP",
"priority": 100,
"sourceAddresses": ["10.0.0.5"],
"destinationAddresses": ["*"],
"access": "Deny",
"direction": "Inbound",
"protocol": "Any"
}
]
}
}
}
A
Allows outbound traffic from any source to IP 10.0.0.5.
Why wrong: Access is Deny and direction is inbound.
B
Allows inbound traffic from IP 10.0.0.5 to any destination.
Why wrong: Access is set to Deny, not Allow.
C
Denies inbound traffic from IP 10.0.0.5 to any destination.
The rule denies inbound traffic from the specified source IP.
D
Denies outbound traffic from any source to IP 10.0.0.5.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Denies inbound traffic from IP 10.0.0.5 to any destination.
The rule in Azure Firewall deployed via Azure Policy uses a default deny approach for inbound traffic. Since the rule explicitly denies inbound traffic from IP 10.0.0.5 to any destination, option C is correct. Azure Firewall processes rules in a priority order, and a deny rule for inbound traffic from a specific source IP overrides any allow rules that might match the same traffic.
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.
✗
Allows outbound traffic from any source to IP 10.0.0.5.
Why it's wrong here
Access is Deny and direction is inbound.
✗
Allows inbound traffic from IP 10.0.0.5 to any destination.
Why it's wrong here
Access is set to Deny, not Allow.
✓
Denies inbound traffic from IP 10.0.0.5 to any destination.
Why this is correct
The rule denies inbound traffic from the specified source IP.
Related concept
Read the scenario before looking for a memorised answer.
✗
Denies outbound traffic from any source to IP 10.0.0.5.
Why it's wrong here
Direction is inbound, not outbound.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse the direction of traffic (inbound vs outbound) and the action (allow vs deny), leading them to select options that reverse the source/destination or misinterpret the rule's effect.
Detailed technical explanation
How to think about this question
Azure Firewall rules are evaluated based on priority (lower number = higher priority) and rule collection type (NAT, Network, Application). For inbound traffic, a Network rule with 'Deny' action and source IP 10.0.0.5 will block all inbound connections from that IP, regardless of destination port or protocol, unless a higher-priority allow rule explicitly permits it. This behavior aligns with the default-deny model where explicit deny rules take precedence over implicit allows.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-200 question in full detail.
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: Denies inbound traffic from IP 10.0.0.5 to any destination. — The rule in Azure Firewall deployed via Azure Policy uses a default deny approach for inbound traffic. Since the rule explicitly denies inbound traffic from IP 10.0.0.5 to any destination, option C is correct. Azure Firewall processes rules in a priority order, and a deny rule for inbound traffic from a specific source IP overrides any allow rules that might match the same traffic.
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.
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Question Discussion
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