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Free EC-COUNCIL 212-81 Exam Dumps Questions & Answers
| Exam Code/Number: | 212-81Join the discussion |
| Exam Name: | Certified Encryption Specialist |
| Certification: | EC-COUNCIL |
| Question Number: | 208 |
| Publish Date: | Oct 23, 2025 |
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Total 208 questions
Total 208 questions
John is trying to select the appropriate authentication protocol for his company. Which of the following types of authentication solutions use tickets to provide access to various resources from a central location?
Correct Answer: A
A disk you rotated to encrypt/decrypt. Created by Leon Alberti. Similar technologies were used in the Enigma machine. Considered the forefather of modern encryption.
Correct Answer: D
Explanation: (Only visible for DumpsFiles members)
Which of the following are valid key sizes for AES (choose three)?
Correct Answer: B,D,F
Explanation: (Only visible for DumpsFiles members)
Uses a formula, M_n = 2^n − 1 where n is a prime number, to generate primes. Works for 2, 3, 5, 7 but fails on 11 and on many other n values.
Correct Answer: A
Explanation: (Only visible for DumpsFiles members)
What does Output feedback (OFB) do:
Correct Answer: D
Explanation: (Only visible for DumpsFiles members)