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ECCouncil 212-81 Practice Test - Questions Answers, Page 6

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Question 51

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A real time protocol for verifying certificates (and a newer method than CRL).

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Question 52

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Which of the following is not a key size used by AES?

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Question 53

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Which one of the following is an authentication method that sends the username and password in cleartext?

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Question 54

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A _________ is a digital representation of information that identifies you as a relevant entity by a trusted third party.

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Question 55

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Modern symmetric ciphers all make use of one or more s-boxes. Both Feistel and non-Feistel ciphers use these s-boxes. What is an s-box?

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Question 56

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A cryptographic hash function which uses a Merkle tree-like structure to allow for immense parallel computation of hashes for very long inputs. Authors claim a performance of 28 cycles per byte for MD6-256 on an Intel Core 2 Duo and provable resistance against differential cryptanalysis.

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Question 57

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What size block does FORK256 use?

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Question 58

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Which of the following algorithms uses three different keys to encrypt the plain text?

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Question 59

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Original, unencrypted information is referred to as ____.

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Question 60

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Which of the following is a block cipher?

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