200-201 Network Intrusion Analysis Practice Question
An alert shows a high volume of outbound traffic from an internal host to an external IP using FTP. The data includes files with names matching internal document names. This activity is most likely:
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
✓
Data exfiltration
Exfiltration via FTP is a common technique to steal data by transferring it to an external server.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
C2 beaconing
Why it's wrong here
Beaconing is periodic small packets, not large file transfers.
- ✗
Normal backup operation
Why it's wrong here
Backups typically use internal servers or scheduled tasks, not suspicious external FTP.
- ✗
Port scanning
Why it's wrong here
Port scanning does not involve file transfers.
- ✓
Data exfiltration
Why this is correct
Large outbound FTP transfers of internal documents indicate exfiltration.
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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.