200-201 Network Intrusion Analysis Practice Question
An analyst is reviewing alerts from an IDS. A signature matched 'script' and 'alert' in HTTP request parameters. The analyst inspects the packet and sees <script>alert('XSS')</script> in the URI. What is the most accurate classification of this alert?
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
✓
True positive
The alert corresponds to a real attack (cross-site scripting) in the traffic, so it is a true positive.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
False negative
Why it's wrong here
False negative means an attack occurred but no alert fired.
- ✗
False positive
Why it's wrong here
A false positive would be an alert without an actual attack.
- ✗
True negative
Why it's wrong here
True negative means no alert and no attack.
- ✓
True positive
Why this is correct
The attack payload is present, confirming a real attack.
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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.