SC-200 Respond to security incidents Practice Question
This SC-200 practice question tests your understanding of respond to security incidents. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 organization uses Microsoft Sentinel. A security analyst receives an alert from a custom analytics rule that triggers on a specific sequence of failed logon attempts followed by a successful logon from an unusual location. The incident is generated but the analyst is not sure if the activity is malicious or a user error. What should the analyst do first to quickly gather additional context?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use the Investigation graph to explore related entities and events
Option C is correct because using the Investigation graph in Microsoft Sentinel allows the analyst to visually explore related entities and events to understand the scope and context of the incident. Option A is wrong because creating a new analytics rule would not help with immediate investigation. Option B is wrong because running a KQL query across the entire workspace is time-consuming and less efficient. Option D is wrong because modifying the existing rule is not appropriate for investigating a single incident.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Run a KQL query across the entire workspace to find all related events
Why it's wrong here
While possible, it is less efficient than using the Investigation graph.
✗
Create a new analytics rule to detect similar patterns
Why it's wrong here
Creating a new rule does not help investigate the current incident.
✓
Use the Investigation graph to explore related entities and events
Why this is correct
The Investigation graph provides a visual, entity-based approach to quickly understand incident context.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
✗
Modify the existing analytics rule to add more conditions
Why it's wrong here
Modifying the rule does not help with immediate investigation of this incident.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-200 question in full detail.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SC-200 NAT questions on configuration and troubleshooting.
Respond to security incidents — This question tests Respond to security incidents — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Use the Investigation graph to explore related entities and events — Option C is correct because using the Investigation graph in Microsoft Sentinel allows the analyst to visually explore related entities and events to understand the scope and context of the incident. Option A is wrong because creating a new analytics rule would not help with immediate investigation. Option B is wrong because running a KQL query across the entire workspace is time-consuming and less efficient. Option D is wrong because modifying the existing rule is not appropriate for investigating a single incident.
What should I do if I get this SC-200 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SC-200 NAT questions on configuration and troubleshooting.
Are there clue words in this question I should notice?
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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