312-39 Incident Detection And Triage Practice Question
When building a new SIEM use case, what is the first phase of the development lifecycle?
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
✓
Requirement gathering and scoping.
Defining requirements is always the starting point for SIEM use case design.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Requirement gathering and scoping.
Why this is correct
You must understand the business need before building the rule.
- ✗
Writing the correlation query.
Why it's wrong here
This is the implementation phase.
- ✗
Testing the alert in production.
Why it's wrong here
This is the validation phase.
- ✗
Documenting the playbook.
Why it's wrong here
Documentation follows implementation.
About these practice questions
This 312-39 question is part of Courseiva's 201-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam 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 312-39 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 312-39 exam.