200-201 Network Intrusion Analysis Practice Question
In a PCAP analysis, an analyst uses the filter 'http.request.uri contains "UNION"' and finds multiple HTTP requests with 'SELECT' and 'UNION SELECT' in the URI parameter. Which type of attack is likely occurring?
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
✓
SQL injection
SQL injection attacks often include SQL keywords like UNION and SELECT in crafted parameters.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
SQL injection
Why this is correct
UNION SELECT is a classic SQL injection pattern.
- ✗
Buffer overflow
Why it's wrong here
Buffer overflow involves memory corruption, not SQL patterns.
- ✗
Cross-site scripting
Why it's wrong here
XSS uses script tags, not SQL keywords.
- ✗
Command injection
Why it's wrong here
Command injection uses OS commands, not SQL.
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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.