200-201 Security Monitoring Practice Question
A security analyst is using Zeek to monitor network traffic. The analyst wants to extract all files transferred over HTTP. Which Zeek script or package accomplishes this?
⚠ Common exam trap
Cisco often tests the distinction between logging metadata (e.g., http.log) and actually extracting file content, so candidates mistakenly choose http-logs.zeek thinking it captures files, when it only records HTTP session details.
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
✓
file_extraction.zeek
The file_extraction.zeek script is specifically designed to extract files from network streams, including HTTP transfers. Zeek's default HTTP logging (http.log) records metadata about HTTP sessions, but to actually capture and reassemble the transferred files (e.g., images, executables, documents), the file_extraction framework must be loaded via this script or package.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
dns-logs.zeek
Why it's wrong here
DNS logs do not extract files.
- ✗
conn-logs.zeek
Why it's wrong here
Connection logs summarize flows.
- ✗
http-logs.zeek
Why it's wrong here
This logs HTTP headers, not files.
- ✓
file_extraction.zeek
Why this is correct
This script extracts files from network streams.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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