Question 1,023 of 1,639
Perform threat huntingmediumMultiple ChoiceObjective-mapped

Quick Answer

The answer is to create a Watchlist in Microsoft Sentinel containing the IP addresses, then write a KQL query in the Hunting blade that joins the Watchlist with DeviceNetworkEvents from Defender for Endpoint. This approach is the most efficient because Watchlists are optimized for storing and querying large external threat intelligence lists directly within Sentinel, allowing you to perform a join operation in KQL that matches network traffic against your known malicious IPs without overwhelming the query engine. On the SC-200 exam, this scenario tests your understanding of proactive threat hunting versus automated detection; a common trap is choosing a playbook or analytics rule for automation when the question explicitly asks for a manual, proactive hunt. Remember that Watchlists are your go-to tool for bringing in external data for ad-hoc hunting queries, while KQL joins are the mechanism to correlate that data with telemetry. Memory tip: think "Watchlist + Join = Hunt Efficiency."

SC-200 Perform threat hunting Practice Question

This SC-200 practice question tests your understanding of perform threat hunting. 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 with the Microsoft Defender XDR connector to ingest alerts and incidents from Defender for Endpoint, Defender for Office 365, and Defender for Identity. As a threat hunter, you want to proactively search for devices that may be communicating with known malicious IP addresses that have not yet triggered an alert. You have a list of known malicious IP addresses from an external threat intelligence feed. Which approach should you take to perform this hunt efficiently?

Question 1mediummultiple choice
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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

Create a Watchlist in Microsoft Sentinel containing the IP addresses, then write a KQL query in the Hunting blade that joins the Watchlist with DeviceNetworkEvents from Defender for Endpoint.

Option A is the most efficient: create a Watchlist in Sentinel with the IP list, then use KQL to join with DeviceNetworkEvents. Option B is inefficient for large lists; Option C uses the wrong connector; Option D is for automation, not hunting.

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.

  • Create a Logic App that runs hourly and checks each IP against DeviceNetworkEvents, then creates incidents.

    Why it's wrong here

    This is for automated detection, not ad-hoc hunting.

  • Create a Watchlist in Microsoft Sentinel containing the IP addresses, then write a KQL query in the Hunting blade that joins the Watchlist with DeviceNetworkEvents from Defender for Endpoint.

    Why this is correct

    Watchlists allow efficient joining in queries without hardcoding.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Use the ThreatIntelligenceIndicator table in Microsoft Sentinel, which automatically ingests the feed if you configure a Threat Intelligence - TAXII connector.

    Why it's wrong here

    The TAXII connector ingests STIX indicators, but the scenario states you have a list, not a TAXII feed.

  • Manually add each IP address as a custom detection rule in Microsoft Sentinel for each device.

    Why it's wrong here

    Not scalable; manual and inefficient.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Trap categories for this question

  • Scenario analysis trap

    The TAXII connector ingests STIX indicators, but the scenario states you have a list, not a TAXII feed.

Detailed technical explanation

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

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.
  • Use explanations to understand the rule behind the answer.

TExam Day Tips

  • Underline the problem statement mentally.
  • 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 SC-200 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

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FAQ

Questions learners often ask

What does this SC-200 question test?

Perform threat hunting — This question tests Perform threat hunting — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Create a Watchlist in Microsoft Sentinel containing the IP addresses, then write a KQL query in the Hunting blade that joins the Watchlist with DeviceNetworkEvents from Defender for Endpoint. — Option A is the most efficient: create a Watchlist in Sentinel with the IP list, then use KQL to join with DeviceNetworkEvents. Option B is inefficient for large lists; Option C uses the wrong connector; Option D is for automation, not hunting.

What should I do if I get this SC-200 question wrong?

Identify which SC-200 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 21, 2026

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This SC-200 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-200 exam.