212-89 Web Application Incidents Practice Question
An analyst is investigating a suspected SQL injection attack on an IIS server. Which log file should they prioritize to identify the specific URL-encoded payload strings submitted by the attacker?
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
✓
W3C Extended Log File Format logs
W3C extended log files in IIS provide the most granular detail on URL parameters and query strings used in SQL injection.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Application Event logs
Why it's wrong here
Application logs typically record server-side runtime errors, not the raw HTTP request data.
- ✗
HTTPERR logs
Why it's wrong here
HTTPERR logs track connection errors and protocol violations, not valid application-layer input.
- ✗
Security Event logs
Why it's wrong here
Security logs record authentication and system-level events, not web request payloads.
- ✓
W3C Extended Log File Format logs
Why this is correct
The W3C logs capture requested URIs and query strings necessary for identifying malicious SQL injection patterns.
About these practice questions
Courseiva writes every 212-89 question from scratch — 206 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official EC-Council exam blueprint
This 212-89 practice question is part of Courseiva's free EC-Council 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 212-89 exam.