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SC-200 Premium File: 499 Questions & Answers

Last Update: Oct 30, 2026

SC-200 Training Course: 47 Video Lectures

SC-200 PDF Study Guide: 441 Pages

$79.99

SC-200 Bundle gives you unlimited access to "SC-200" files. However, this does not replace the need for a .vce exam simulator. To download your .vce exam simulator click here

Microsoft SC-200 Practice Test 29

Question 280

A change to incident creation stops new incidents while alerts still reach the analytics table. Which response best meets the security operations requirement?

  1. Narrow grouping conditions to identity or entity similarity.
  2. Open the incident's linked alerts and evidence records.
  3. Configure supported grouping of related alerts into one incident.
  4. Verify analytics alert and incident creation options and any automation closure.

Explanation

Correct Answer

D:

Incident behavior depends on configuration beyond KQL event matching. This directly addresses the requirement to restore expected analytic incident workflow.

Incorrect Answers

A:

Entity-aware grouping prevents unrelated cases being merged solely because they share a rule. This addresses avoid false incident correlation; it does not directly satisfy restore expected analytic incident workflow.

B:

Grouping maintains underlying alert provenance for investigation. Its intended use is to inspect grouped alert details, whereas this case requires the analyst to restore expected analytic incident workflow.

C:

Correlated grouping reduces incident fragmentation while preserving alert details. That action focuses on consolidate one-user incident evidence rather than the specified need to restore expected analytic incident workflow.

Question 281

Two rules both map to the same technique, but management counts them as two independent technique coverage areas. Which approach is best supported by the evidence?

  1. Report distinct technique coverage separately from number of rules mapped.
  2. Update the rule's ATT&CK tactic and technique mapping to match its actual behavior.
  3. Inspect the MITRE ATT&CK coverage visualization for the relevant rules.
  4. Plan both necessary source onboarding and a matching detection analytic.

Explanation

Correct Answer

A:

Multiple rules can cover one behavior without expanding unique ATT&CK technique coverage. This directly addresses the requirement to measure unique coverage rather than rule count.

Incorrect Answers

B:

Accurate technique classification improves coverage analysis and incident context. Its intended use is to correct misclassified ATT&CK mappings, whereas this case requires the analyst to measure unique coverage rather than rule count.

C:

ATT&CK mapping reveals which tactics and techniques have associated detections. That action focuses on assess lateral-movement detection coverage rather than the specified need to measure unique coverage rather than rule count.

D:

Technique coverage requires observable signals as well as rule logic. This addresses close a telemetry-backed ATT&CK gap; it does not directly satisfy measure unique coverage rather than rule count.

Question 282

A scheduled detection uses a source table absent from the connected Sentinel workspace. Which action most directly addresses the observed condition?

  1. Configure event grouping and incident settings around the relevant entity.
  2. Correct the data connector and table availability before enabling the rule.
  3. Create a scheduled Sentinel analytics rule using a bounded KQL aggregation.
  4. Align rule frequency, lookback and incident grouping with the intended behavior.

Explanation

Correct Answer

B:

A scheduled KQL analytic cannot detect rows from nonexistent sources. This directly addresses the requirement to satisfy scheduled rule table prerequisites.

Incorrect Answers

A:

Grouping settings determine alert and incident consolidation from analytics results. This addresses group repeated account detections coherently; it does not directly satisfy satisfy scheduled rule table prerequisites.

C:

Scheduled rules evaluate query results against configured threshold and frequency settings. That action focuses on detect repeated failures over a time window rather than the specified need to satisfy scheduled rule table prerequisites.

D:

Misaligned lookbacks can reprocess evidence and cause repeated alerts. This addresses correct scheduled-rule duplicate evaluation; it does not directly satisfy satisfy scheduled rule table prerequisites.

Question 283

Analysts observe a newly created rule's alerts but no corresponding MITRE tactic mapping. What is the most appropriate next action for the analyst?

  1. Replace placeholders and validate organization-specific entity identifiers before enabling.
  2. Correct the analytic workspace and data connector association before deployment.
  3. Add accurate ATT&CK tactic and technique mappings to rule metadata.
  4. Review source health, query logic and relevance before retaining or retiring silent rules.

Explanation

Correct Answer

C:

Classification enriches investigation and coverage measurement. This directly addresses the requirement to map rule alerts to ATT&CK correctly.

Incorrect Answers

A:

Rule templates require scoped adaptation to real data and safe thresholds. This addresses prevent unsafe template defaults in production; it does not directly satisfy map rule alerts to ATT&CK correctly.

B:

Workspace-bound analytics can only evaluate supported accessible data. Its intended use is to deploy detections to the correct workspace, whereas this case requires the analyst to map rule alerts to ATT&CK correctly.

D:

Long silence can indicate either low risk or detection failure. This addresses assess dormant detection effectiveness; it does not directly satisfy map rule alerts to ATT&CK correctly.

Question 284

SOC analysts treat a machine-learning anomaly as conclusive proof that a user account is malicious. Which response best meets the security operations requirement?

  1. Evaluate the supported Fusion or machine-learning detection capability.
  2. Use supported built-in ML detections and validate what signals and tables they consume.
  3. Verify the rule's supported connectors and required telemetry prerequisites.
  4. Corroborate the anomaly with independent identity and endpoint evidence.

Explanation

Correct Answer

D:

Statistical deviations are investigation leads, not standalone confirmation of compromise. This directly addresses the requirement to validate ML alerts before enforcement.

Incorrect Answers

A:

Fusion-style detection combines heterogeneous signals to identify complex attack patterns. This addresses correlate multistage attack patterns; it does not directly satisfy validate ML alerts before enforcement.

B:

Machine-learning correlation may rely on models not exposed as one editable KQL rule. Its intended use is to choose native ML correlation instead of mimicking internals, whereas this case requires the analyst to validate ML alerts before enforcement.

C:

Incomplete inputs reduce detection coverage regardless of whether the ML rule is enabled. That action focuses on restore ML detection data prerequisites rather than the specified need to validate ML alerts before enforcement.

Question 285

The SOC wants to know whether active analytics cover lateral movement techniques mapped in ATT&CK. Which approach is best supported by the evidence?

  1. Inspect the MITRE ATT&CK coverage visualization for the relevant rules.
  2. Plan both necessary source onboarding and a matching detection analytic.
  3. Report distinct technique coverage separately from number of rules mapped.
  4. Update the rule's ATT&CK tactic and technique mapping to match its actual behavior.

Explanation

Correct Answer

A:

ATT&CK mapping reveals which tactics and techniques have associated detections. This directly addresses the requirement to assess lateral-movement detection coverage.

Incorrect Answers

B:

Technique coverage requires observable signals as well as rule logic. Its intended use is to close a telemetry-backed ATT&CK gap, whereas this case requires the analyst to assess lateral-movement detection coverage.

C:

Multiple rules can cover one behavior without expanding unique ATT&CK technique coverage. That action focuses on measure unique coverage rather than rule count rather than the specified need to assess lateral-movement detection coverage.

D:

Accurate technique classification improves coverage analysis and incident context. This addresses correct misclassified ATT&CK mappings; it does not directly satisfy assess lateral-movement detection coverage.

Question 286

An incident continues to appear after a suppression was applied to a different analytic rule. Which action most directly addresses the observed condition?

  1. Run positive and negative test cases against the updated detection logic.
  2. Identify the generating rule and verify the suppression's actual scope.
  3. Replace the broad range with precise known-good endpoints or conditions.
  4. Add a bounded exception for the validated service account with change documentation.

Explanation

Correct Answer

B:

An exception on one rule does not automatically affect other detection sources. This directly addresses the requirement to diagnose wrong-rule suppression.

Incorrect Answers

A:

Validation demonstrates that tuning did not eliminate the intended signal. This addresses validate detection after suppressions; it does not directly satisfy diagnose wrong-rule suppression.

C:

Wide network allowlists reduce detection coverage unnecessarily. That action focuses on repair unsafe network suppression rather than the specified need to diagnose wrong-rule suppression.

D:

Principal-scoped exclusions preserve monitoring of unrelated accounts. This addresses suppress approved service identity events only; it does not directly satisfy diagnose wrong-rule suppression.

Question 287

An endpoint rule should evaluate events frequently, but a 24-hour frequency is too slow for the threat's response SLA. What is the most appropriate next action for the analyst?

  1. Validate the required schema and fields in the saved detection-rule query.
  2. Align the hunting query's time filters with the rule's supported lookback window.
  3. Select a supported shorter custom detection frequency with an appropriate lookback.
  4. Apply supported deduplication or stable event identifiers in the query.

Explanation

Correct Answer

C:

Detection frequency and event window govern how soon matching events can generate alerts. This directly addresses the requirement to reduce custom rule detection delay.

Incorrect Answers

A:

Custom detection execution has output-column constraints beyond a query simply returning results. This addresses repair scheduled detection schema; it does not directly satisfy reduce custom rule detection delay.

B:

Records outside the configured execution window are not evaluated for the detection run. Its intended use is to fix detection lookback mismatch, whereas this case requires the analyst to reduce custom rule detection delay.

D:

Distinct event keys reduce duplicate matches from event retransmission. This addresses avoid duplicate custom detection matches; it does not directly satisfy reduce custom rule detection delay.

Question 288

A new anomaly analytic produces many benign alerts during the organization's annual payroll run. Which response best meets the security operations requirement?

  1. Investigate related identity, endpoint and network evidence before containment.
  2. Use the supported anomaly scoring feature instead of a pure static-threshold rule.
  3. Configure the appropriate supported anomaly detection capability and its parameters.
  4. Calibrate anomaly thresholds and contextualize recurring business cycles before enforcement.

Explanation

Correct Answer

D:

Baseline-aware tuning avoids treating expected periodic behavior as attacks. This directly addresses the requirement to reduce seasonal anomaly false positives.

Incorrect Answers

A:

A single anomaly remains uncertain until corroborated by attack behavior. This addresses corroborate isolated anomaly alerts; it does not directly satisfy reduce seasonal anomaly false positives.

B:

Scoring can express degree of deviation where the service supports it. Its intended use is to prioritize graded behavioral anomalies, whereas this case requires the analyst to reduce seasonal anomaly false positives.

C:

Anomaly detections identify deviations from expected behavior rather than only exact signatures. That action focuses on detect anomalous security activity rather than the specified need to reduce seasonal anomaly false positives.

Question 289

A rule query returns many matched rows but the SOC wants one grouped incident per affected account. Which approach is best supported by the evidence?

  1. Configure event grouping and incident settings around the relevant entity.
  2. Align rule frequency, lookback and incident grouping with the intended behavior.
  3. Create a scheduled Sentinel analytics rule using a bounded KQL aggregation.
  4. Correct the data connector and table availability before enabling the rule.

Explanation

Correct Answer

A:

Grouping settings determine alert and incident consolidation from analytics results. This directly addresses the requirement to group repeated account detections coherently.

Incorrect Answers

B:

Misaligned lookbacks can reprocess evidence and cause repeated alerts. Its intended use is to correct scheduled-rule duplicate evaluation, whereas this case requires the analyst to group repeated account detections coherently.

C:

Scheduled rules evaluate query results against configured threshold and frequency settings. That action focuses on detect repeated failures over a time window rather than the specified need to group repeated account detections coherently.

D:

A scheduled KQL analytic cannot detect rows from nonexistent sources. This addresses satisfy scheduled rule table prerequisites; it does not directly satisfy group repeated account detections coherently.

Question 290

An exclusion rule uses an entire corporate IP range and masks evidence of unauthorized connections. Which action most directly addresses the observed condition?

  1. Run positive and negative test cases against the updated detection logic.
  2. Replace the broad range with precise known-good endpoints or conditions.
  3. Identify the generating rule and verify the suppression's actual scope.
  4. Add a bounded exception for the validated service account with change documentation.

Explanation

Correct Answer

B:

Wide network allowlists reduce detection coverage unnecessarily. This directly addresses the requirement to repair unsafe network suppression.

Incorrect Answers

A:

Validation demonstrates that tuning did not eliminate the intended signal. This addresses validate detection after suppressions; it does not directly satisfy repair unsafe network suppression.

C:

An exception on one rule does not automatically affect other detection sources. That action focuses on diagnose wrong-rule suppression rather than the specified need to repair unsafe network suppression.

D:

Principal-scoped exclusions preserve monitoring of unrelated accounts. This addresses suppress approved service identity events only; it does not directly satisfy repair unsafe network suppression.


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