Download Latest Ec-council 212-81 Practice Exam Questions

Download Latest Ec-council 212-81 Practice Exam Questions

Download the latest Ec-council 212-81 Practice Exam Questions for your best preparation. ECES exam is excellent for ethical hackers and penetration testing professionals as most penetration testing courses skip cryptanalysis completely. FreeTestShare Ec-council 212-81 Practice Exam Questions make your preparation process simply because they are designed to help you pass your EC-Council Certified Encryption Specialist (ECES) exam on the first try. Our Ec-council 212-81 Practice Exam Questions will take away your nervousness and help you finish the exam with a lot of important professional information.

Take a free 212-81 practice exam right now to see how prepared you are!

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1. What is the name of the attack where the attacker obtains the ciphertexts corresponding to a set of plaintexts of his own choosing?

2. John works as a cryptography consultant. He finds that people often misunderstand the reality of breaking a cipher .

What is the definition of breaking a cipher?

3. _____ uses at least two different shifts, changing the shift with different letters in the plain text.

4. Which of the following is a cryptographic protocol that allows two parties to establish a shared key over an insecure channel?

5. During the process of encryption and decryption, what keys are shared?

6. A 160-bit hash algorithm developed by Hans Dobbertin, Antoon Bosselaers, and Bart Preneel for which there are 128, 256 and 320-bit versions is called what?

7. Message hidden in unrelated text. Sender and receiver have pre-arranged to use a pattern to remove certain letters from the message which leaves only the true message behind.

8. Which one of the following is an algorithm that uses variable length key from 1 to 256 bytes, which constitutes a state table that is used for subsequent generation of pseudorandom bytes and then a pseudorandom string of bits, which is XORed with the plaintext to produce the ciphertext?

9. A _____ is a function that takes a variable-size input m and returns a fixed-size string.

10. A technique used to increase the security of block ciphers. It consists of steps that combine the data with portions of the key (most commonly using a simple XOR) before the first round and after the last round of encryption.


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