CPENT Network And Perimeter Exploitation Practice Question
During an assessment, a penetration tester captures an LLMNR/NBT-NS broadcast request on the local network segment. Which tool can the tester use to spoof the response and capture the resulting NTLMv2 password hash when the victim machine attempts authentication?
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
✓
Responder
Responder is the standard tool used to poison LLMNR, NBT-NS, and mDNS requests, capturing authentication hashes or relaying them to other targets.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Cain & Abel
Why it's wrong here
Cain & Abel is a legacy password recovery and network sniffing tool for Windows.
- ✗
Ettercap
Why it's wrong here
Ettercap is a general-purpose man-in-the-middle tool for LANs, but Responder is purpose-built for LLMNR/NBT-NS poisoning.
- ✓
Responder
Why this is correct
Responder is an LLMNR, NBT-NS, and MDNS poisoner designed to capture credential hashes.
- ✗
Wireshark
Why it's wrong here
Wireshark captures packets passively and does not perform active poisoning.
About these practice questions
This CPENT question is part of Courseiva's 274-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 CPENT 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 CPENT exam.