200-201 Security Monitoring Practice Question
A security analyst is reviewing web server logs and notices a high number of 404 errors for non-existent URLs. Which TWO of the following tools would best help investigate this anomaly?
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
✓
Wireshark for packet-level analysis
Using SIEM for correlation and Wireshark for packet analysis on the server's traffic can help identify the source and nature of the requests.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Snort for IDS alerts
Why it's wrong here
Snort may detect patterns but not necessary for initial investigation.
- ✗
YARA for file scanning
Why it's wrong here
YARA scans files, not network traffic.
- ✓
Wireshark for packet-level analysis
Why this is correct
Wireshark can capture and analyze HTTP requests.
- ✓
SIEM for correlation and alerting
Why this is correct
SIEM can aggregate logs and correlate events.
- ✗
NetFlow for top talkers
Why it's wrong here
NetFlow shows volume, not specific URLs.
Go deeper
Related to this question
About these practice questions
One of 979 original 200-201 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-201 practice question is part of Courseiva's free Cisco 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 200-201 exam.