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Certified Encryption Specialist Actual Exam & 212-81 Practice Vce & Certified Encryption Specialist Updated Torrent

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EC-COUNCIL Certified Encryption Specialist Sample Questions (Q80-Q85):

NEW QUESTION # 80
What is a "Collision attack" in cryptography?

  • A. Collision attacks try to find two inputs producing the same
  • B. Collision attacks try to get the public key
  • C. Collision attacks try to break the hash into two parts, with the same bytes in each part to get the private key
  • D. Collision attacks try to break the hash into three parts to get the plaintext value

Answer: A Explanation:
Collision attacks try to find two inputs producing the same
https://en.wikipedia.org/wiki/Collision_attack
A collision attack on a cryptographic hash tries to find two inputs producing the same hash value, i.e. a hash collision. This is in contrast to a preimage attack where a specific target hash value is specified.
NEW QUESTION # 81
MD5 can best be described as which one of the following?

  • A. Digital signature
  • B. Symmetric algorithm
  • C. Hashing algorithm
  • D. Asymmetric algorithm

Answer: C Explanation:
Hashing algorithm
https://en.wikipedia.org/wiki/MD5
The MD5 message-digest algorithm is a widely used hash function producing a 128-bit hash value. Although MD5 was initially designed to be used as a cryptographic hash function, it has been found to suffer from extensive vulnerabilities. It can still be used as a checksum to verify data integrity, but only against unintentional corruption. It remains suitable for other non-cryptographic purposes, for example for determining the partition for a particular key in a partitioned database.
NEW QUESTION # 82
What size block does FORK256 use?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: D Explanation:
512
https://en.wikipedia.org/wiki/FORK-256
FORK-256 was introduced at the 2005 NIST Hash workshop and published the following year.[6] FORK-256 uses 512-bit blocks and implements preset constants that change after each repetition. Each block is hashed into a 256-bit block through four branches that divides each 512 block into sixteen 32-bit words that are further encrypted and rearranged
NEW QUESTION # 83
Which of the following acts as a verifier for the certificate authority?

  • A. Certificate authority
  • B. Directory management system
  • C. Registration authority
  • D. Certificate Management system

Answer: C Explanation:
Registration authority
https://en.wikipedia.org/wiki/Registration_authority
Registration authorities exist for many standards organizations, such as ANNA (Association of National Numbering Agencies for ISIN), the Object Management Group, W3C, IEEE and others. In general, registration authorities all perform a similar function, in promoting the use of a particular standard through facilitating its use. This may be by applying the standard, where appropriate, or by verifying that a particular application satisfies the standard's tenants. Maintenance agencies, in contrast, may change an element in a standard based on set rules - such as the creation or change of a currency code when a currency is created or revalued (i.e. TRL to TRY for Turkish lira). The Object Management Group has an additional concept of certified provider, which is deemed an entity permitted to perform some functions on behalf of the registration authority, under specific processes and procedures documented within the standard for such a role.
NEW QUESTION # 84
Which one of the following attempts to hide data in plain view?

  • A. Substitution
  • B. Asymmetric cryptography
  • C. Cryptography
  • D. Steganography

Answer: D Explanation:
Steganography
https://en.wikipedia.org/wiki/Steganography
Steganography is the practice of concealing a file, message, image, or video within another file, message, image, or video. The word steganography comes from Greek steganographia, which combines the words steganos , meaning "covered or concealed", and -graphia meaning "writing".
NEW QUESTION # 85
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