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Intro to Cryptography ECES Practice Questions & Answers Latest Update (839) Western Governors University.

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Intro to Cryptography ECES Practice Questions & Answers Latest Update (839) Western Governors University.

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Intro to Cryptography ECES Practice
Questions & Answers Latest Update
(839) Western Governors University.

, EC-Council Certified Encryption Specialist
Practice Questions (50 Total)
1. How did the ATBASH cipher work?
a) By shifting each letter a certain number of spaces
b) By Multi alphabet substitution
c) By rotating text a given number of spaces
d) By substituting each letter for the letter from the opposite end of the alphabet (i.e.
A becomes Z, B becomes Y, etc.)

2. DES has a key space of what?
a) 2128
b) 2192
c) 256
d) 264

3. Which of the following are valid key sizes for AES (choose three)?
a) 56
b) 64
c) 128
d) 192
e) 256
f) 512

4. Which of the following algorithms uses three different keys to encrypt the plain
text?
a) AES
b) 3DES
c) Blowfish
d) Skipjack

5. Which of the following is a block cipher?
a) AES
b) RC4
c) DH
d) RSA

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  • which of the following are valid key sizes for

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