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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 30

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.

Question 291

A Fusion analytic flags an attack chain based on several independent detections, and an analyst wants the contributing signals. What is the most appropriate next action for the analyst?

  1. Distinguish event time from ingestion time and adjust triage priority accordingly.
  2. Evaluate alert evidence and use narrowly justified triage rules, not blanket closure.
  3. Inspect contributing alerts and correlated entities within the Fusion incident.
  4. Restore the required data sources or acknowledge reduced detection coverage.

Explanation

Correct Answer

C:

Fusion conclusions are supported by underlying event and alert relationships. This directly addresses the requirement to explain multi-signal detection evidence.

Incorrect Answers

A:

Late-arriving data can generate recent alerts for historical events. This addresses assess late-ingested alert timelines; it does not directly satisfy explain multi-signal detection evidence.

B:

Blanket suppression risks missing true attacks contained in noisy model outputs. Its intended use is to prevent unsafe ML alert dismissal, whereas this case requires the analyst to explain multi-signal detection evidence.

D:

ML models cannot correlate events that are no longer ingested. This addresses repair built-in ML input loss; it does not directly satisfy explain multi-signal detection evidence.

Question 292

A hunt query reliably finds a suspicious remote execution technique and should now generate repeat alerts on new matches. Which response best meets the security operations requirement?

  1. Configure rule scope consistent with the creator's device permissions.
  2. Add evidence-backed filters and test query selectivity before re-enabling the rule.
  3. Project required timestamp and device or report identifier fields for the detection schema.
  4. Create a custom detection rule from the validated advanced hunting query.

Explanation

Correct Answer

D:

Custom detections periodically rerun hunting logic and can produce actionable alerts. This directly addresses the requirement to promote a validated hunt into ongoing detection.

Incorrect Answers

A:

Custom detection scope is constrained by applicable device access and portal roles. This addresses respect device-group access in custom detection; it does not directly satisfy promote a validated hunt into ongoing detection.

B:

Narrow predicates reduce routine matches while retaining distinct attack signals. Its intended use is to reduce noisy custom detection alerts, whereas this case requires the analyst to promote a validated hunt into ongoing detection.

C:

Entity and event fields tie generated alerts to the underlying device observations. That action focuses on enrich generated custom detection alerts rather than the specified need to promote a validated hunt into ongoing detection.

Question 293

A new custom detection must run only against devices that the analyst is authorized to manage. Which approach is best supported by the evidence?

  1. Configure rule scope consistent with the creator's device permissions.
  2. Create a custom detection rule from the validated advanced hunting query.
  3. Add evidence-backed filters and test query selectivity before re-enabling the rule.
  4. Project required timestamp and device or report identifier fields for the detection schema.

Explanation

Correct Answer

A:

Custom detection scope is constrained by applicable device access and portal roles. This directly addresses the requirement to respect device-group access in custom detection.

Incorrect Answers

B:

Custom detections periodically rerun hunting logic and can produce actionable alerts. Its intended use is to promote a validated hunt into ongoing detection, whereas this case requires the analyst to respect device-group access in custom detection.

C:

Narrow predicates reduce routine matches while retaining distinct attack signals. That action focuses on reduce noisy custom detection alerts rather than the specified need to respect device-group access in custom detection.

D:

Entity and event fields tie generated alerts to the underlying device observations. This addresses enrich generated custom detection alerts; it does not directly satisfy respect device-group access in custom detection.

Question 294

A rule is evaluating every five minutes but its query uses an incorrect one-hour event window and duplicate alerts appear. Which action most directly addresses the observed condition?

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

Explanation

Correct Answer

B:

Misaligned lookbacks can reprocess evidence and cause repeated alerts. This directly addresses the requirement to correct scheduled-rule duplicate evaluation.

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 correct scheduled-rule duplicate evaluation.

C:

A scheduled KQL analytic cannot detect rows from nonexistent sources. That action focuses on satisfy scheduled rule table prerequisites rather than the specified need to correct scheduled-rule duplicate evaluation.

D:

Scheduled rules evaluate query results against configured threshold and frequency settings. This addresses detect repeated failures over a time window; it does not directly satisfy correct scheduled-rule duplicate evaluation.

Question 295

A custom detection references events older than its configured lookback and produces no alerts. What is the most appropriate next action for the analyst?

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

Explanation

Correct Answer

C:

Records outside the configured execution window are not evaluated for the detection run. This directly addresses the requirement to fix detection lookback mismatch.

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 fix detection lookback mismatch.

B:

Distinct event keys reduce duplicate matches from event retransmission. Its intended use is to avoid duplicate custom detection matches, whereas this case requires the analyst to fix detection lookback mismatch.

D:

Detection frequency and event window govern how soon matching events can generate alerts. This addresses reduce custom rule detection delay; it does not directly satisfy fix detection lookback mismatch.

Question 296

An analytic generates one alert per failed login and analysts want a single incident for a correlated user within a window. Which response best meets the security operations requirement?

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

Explanation

Correct Answer

D:

Correlated grouping reduces incident fragmentation while preserving alert details. This directly addresses the requirement to consolidate one-user incident evidence.

Incorrect Answers

A:

Grouping maintains underlying alert provenance for investigation. This addresses inspect grouped alert details; it does not directly satisfy consolidate one-user incident evidence.

B:

Incident behavior depends on configuration beyond KQL event matching. Its intended use is to restore expected analytic incident workflow, whereas this case requires the analyst to consolidate one-user incident evidence.

C:

Entity-aware grouping prevents unrelated cases being merged solely because they share a rule. That action focuses on avoid false incident correlation rather than the specified need to consolidate one-user incident evidence.

Question 297

An ML analytic reports no incidents because one of its prerequisite data sources was never onboarded. Which approach is best supported by the evidence?

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

Explanation

Correct Answer

A:

Incomplete inputs reduce detection coverage regardless of whether the ML rule is enabled. This directly addresses the requirement to restore ML detection data prerequisites.

Incorrect Answers

B:

Fusion-style detection combines heterogeneous signals to identify complex attack patterns. Its intended use is to correlate multistage attack patterns, whereas this case requires the analyst to restore ML detection data prerequisites.

C:

Machine-learning correlation may rely on models not exposed as one editable KQL rule. That action focuses on choose native ML correlation instead of mimicking internals rather than the specified need to restore ML detection data prerequisites.

D:

Statistical deviations are investigation leads, not standalone confirmation of compromise. This addresses validate ML alerts before enforcement; it does not directly satisfy restore ML detection data prerequisites.

Question 298

Two unrelated users trigger different alerts but overly broad grouping creates one confusing incident. Which action most directly addresses the observed condition?

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

Explanation

Correct Answer

B:

Entity-aware grouping prevents unrelated cases being merged solely because they share a rule. This directly addresses the requirement to avoid false incident correlation.

Incorrect Answers

A:

Grouping maintains underlying alert provenance for investigation. This addresses inspect grouped alert details; it does not directly satisfy avoid false incident correlation.

C:

Incident behavior depends on configuration beyond KQL event matching. That action focuses on restore expected analytic incident workflow rather than the specified need to avoid false incident correlation.

D:

Correlated grouping reduces incident fragmentation while preserving alert details. This addresses consolidate one-user incident evidence; it does not directly satisfy avoid false incident correlation.

Question 299

An IOC analytic fires on stale indicators beyond the organization's validity policy. What is the most appropriate next action for the analyst?

  1. Configure a threat intelligence analytic that correlates IOC values with network events.
  2. Map each IOC type to a compatible observed telemetry field.
  3. Filter or retire expired indicators in the threat intelligence matching logic.
  4. Treat the campaign as hunting context until telemetry corroborates activity.

Explanation

Correct Answer

C:

Indicator expiration guards against obsolete threat context. This directly addresses the requirement to exclude expired IOCs from analytics.

Incorrect Answers

A:

TI analytics matches indicator observations with local event streams. This addresses detect threat-indicator network matches; it does not directly satisfy exclude expired IOCs from analytics.

B:

IOC matching requires aligned types and normalized field values. Its intended use is to correct mismatched TI field joins, whereas this case requires the analyst to exclude expired IOCs from analytics.

D:

External intelligence describes potential exposure, not proof of local compromise. This addresses avoid false incident assertions from TI reports; it does not directly satisfy exclude expired IOCs from analytics.

Question 300

A multi-stage attack produces separate identity and endpoint anomalies that must be correlated beyond one simple KQL rule. Which response best meets the security operations requirement?

  1. Corroborate the anomaly with independent identity and endpoint evidence.
  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. Evaluate the supported Fusion or machine-learning detection capability.

Explanation

Correct Answer

D:

Fusion-style detection combines heterogeneous signals to identify complex attack patterns. This directly addresses the requirement to correlate multistage attack patterns.

Incorrect Answers

A:

Statistical deviations are investigation leads, not standalone confirmation of compromise. This addresses validate ML alerts before enforcement; it does not directly satisfy correlate multistage attack patterns.

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 correlate multistage attack patterns.

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 correlate multistage attack patterns.


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