- A
Event ID 4776: The domain controller attempted to validate the credentials for an account.
Why wrong: This is for credential validation.
- B
Event ID 4662: An operation was performed on an object.
This event can be used to monitor for directory replication operations.
- C
Event ID 4648: A logon was attempted using explicit credentials.
Why wrong: This is for explicit credential logon.
- D
Event ID 4624: An account was successfully logged on.
Why wrong: This indicates successful logon, not DCSync.
Question 171 of 1,639
SC-200 Manage a security operations environment Practice Question
This SC-200 practice question tests your understanding of manage a security operations environment. 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 Defender for Identity. The security team wants to monitor for suspected DCSync attacks. Which Windows Event ID should you monitor to detect DCSync activity?
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
✓
Event ID 4662: An operation was performed on an object.
Event ID 4662 logs any operation performed on an Active Directory object, including the directory service access control entry for the DS-Replication-Get-Changes-All extended right (control access right 1131f6aa-9c07-11d1-f79f-00c04fc2dcd2). A DCSync attack uses this right to replicate domain credentials from a domain controller, so monitoring 4662 with the specific object type and access mask for replication is the correct detection method.
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.
- ✗
Event ID 4776: The domain controller attempted to validate the credentials for an account.
Why it's wrong here
This is for credential validation.
- ✓
Event ID 4662: An operation was performed on an object.
Why this is correct
This event can be used to monitor for directory replication operations.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Event ID 4648: A logon was attempted using explicit credentials.
Why it's wrong here
This is for explicit credential logon.
- ✗
Event ID 4624: An account was successfully logged on.
Why it's wrong here
This indicates successful logon, not DCSync.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse authentication events (4776, 4624) or credential use events (4648) with the directory replication operation that DCSync actually performs, leading them to choose a logon-related event ID instead of the object access event that captures the replication request.
Detailed technical explanation
How to think about this question
DCSync works by an attacker with domain admin or equivalent privileges using the DRSUAPI (Directory Replication Service API) to request replication of domain objects, including password hashes, from a domain controller. The specific extended right monitored is DS-Replication-Get-Changes-All (GUID 1131f6aa-9c07-11d1-f79f-00c04fc2dcd2), and Event ID 4662 with ObjectType 'domainDNS' and AccessMask '0x100' (control access) is the precise indicator. In a real-world scenario, an attacker may use Mimikatz's lsadump::dcsync command, which triggers this event on the target domain controller.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
Visual reference
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this SC-200 question test?
Manage a security operations environment — This question tests Manage a security operations environment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Event ID 4662: An operation was performed on an object. — Event ID 4662 logs any operation performed on an Active Directory object, including the directory service access control entry for the DS-Replication-Get-Changes-All extended right (control access right 1131f6aa-9c07-11d1-f79f-00c04fc2dcd2). A DCSync attack uses this right to replicate domain credentials from a domain controller, so monitoring 4662 with the specific object type and access mask for replication is the correct detection method.
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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Last reviewed: Jul 4, 2026
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.
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