312-39 Cyber Threats Iocs And Attack Methodology Practice Question
A system administrator reports high CPU usage on a server. Upon checking task manager, you find 'svchost.exe' running from a temp folder. What is the most immediate action?
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
✓
Isolate the host from the network
Identifying a process running from a suspicious location like Temp is a high-confidence IoC for malware.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Isolate the host from the network
Why this is correct
Isolation prevents lateral movement and further C2 communication.
- ✗
Delete the file
Why it's wrong here
Deleting the file removes the IoC before it can be analyzed.
- ✗
Update antivirus signatures
Why it's wrong here
Too slow; the system is already compromised.
- ✗
Restart the server
Why it's wrong here
This may destroy volatile memory evidence.
About these practice questions
One of 202 original 312-39 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. 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.