Free Eccouncil 212-81 Exam Practice Questions

    • PDF Questions

      • Exam Code: 212-81
      • Exam Name: Certified Encryption Specialist
      • Total Questions: 206
      • PDF Price: $29.50 / $59.00
    • Bundle Pack

      • Exam Code: 212-81
      • Exam Name: Certified Encryption Specialist
      • Total Questions: 206
      • Bundle Price: $49.50 / $99
    • Online Engine

      • Exam Code: 212-81
      • Exam Name: Certified Encryption Specialist
      • Total Questions: 206
      • Practice Test Price: $34.50 / $69.00
    1. Page: 1/42
      Total 206 Questions
    Question No 1
    What is Kerchoff's principle?
    Choose the Choices:


    Question No 2
    When learning algorithms, such as RSA, it is important to understand the mathematics being used. In RSA, the number of positive integers less than or equal to some number is critical in key generation. The number of positive integers less than or equal to n that are coprime to n is called ______.
    Choose the Choices:


    Question No 3
    The Clipper chip is notable in the history of cryptography for many reasons. First, it was designed for civilian used secure phones. Secondly, it was designed to use a very specific symmetric cipher. Which one of the following was originally designed to provide built - in cryptography for the Clipper chip?
    Choose the Choices:


    Question No 4
    Which of the following is an asymmetric cipher?
    Choose the Choices:


    Question No 5
    Juanita has been assigned the task of selecting email encryption for the staff of the insurance company she works for. The various employees often use diverse email clients. Which of the following methods is available as an add - in for most email clients?
    Choose the Choices:

    Next Question

    1. Page: 1/42
      Total 206 Questions

About This 212-81 Question Bank

This page has 206 free practice questions for the Eccouncil 212-81 (Certified Encryption Specialist) exam, last refreshed on 8th Sep 2026. Answer each question, then reveal the correct choice to check your understanding before deciding whether to unlock the full question bank.

The demo above is a sample of the complete 212-81 question set. The full bank includes the PDF, downloadable practice test, and online exam-engine formats listed above, with free updates included for the duration you choose.

Frequently Asked Questions

How many free 212-81 questions can I try here?

This demo includes a sample from our 206-question 212-81 bank so you can check the format and difficulty before purchasing.

Are these 212-81 questions updated?

Yes, the Eccouncil 212-81 question bank is reviewed and refreshed periodically to reflect current exam objectives.

What formats are available for the full 212-81 question bank?

PDF download, an online practice-test engine, and a combined bundle pack with 3, 6, or 12-month free updates.

Is there a refund if I don't pass?

Yes, purchases include a money-back guarantee — see our refund policy for details.