ISC2 CC Security Operations Practice Question
A security analyst notices repeated failed login attempts from an internal IP address to a domain controller, followed by a successful login. Which log type is most likely to provide detailed evidence of this 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
✓
Authentication logs
Authentication logs record login attempts, including failures and successes, making them ideal for detecting brute-force attacks.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Application logs
Why it's wrong here
Application logs record application-specific errors, not authentication.
- ✗
Firewall logs
Why it's wrong here
Firewall logs show blocked/allowed network traffic, not authentication events.
- ✗
System logs
Why it's wrong here
System logs record service events, not authentication details.
- ✓
Authentication logs
Why this is correct
Correct. Authentication logs capture login attempts and outcomes.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 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 CC exam.