Crucial Exams

Certified Ethical Hacker (CEH) Practice Question

During a penetration test, you capture IKE packets from an IPSec tunnel that negotiates keys with an ephemeral Diffie-Hellman exchange. The network administrator states that, even if the VPN gateway's long-term private key is later compromised, previously recorded sessions will remain confidential. Which cryptographic concept is being implemented in this scenario?

  • Non-repudiation

  • Key stretching

  • Key escrow

  • Perfect forward secrecy

Certified Ethical Hacker (CEH)
Cryptography
Your Score:
Settings & Objectives
Random Mixed
Questions are selected randomly from all chosen topics, with a preference for those you haven’t seen before. You may see several questions from the same objective or domain in a row.
Rotate by Objective
Questions cycle through each objective or domain in turn, helping you avoid long streaks of questions from the same area. You may see some repeat questions, but the distribution will be more balanced across topics.

Check or uncheck an objective to set which questions you will receive.

Wipe Score
Bash, the Crucial Exams Chat Bot
AI Bot