VALID 212-81 VALID EXAM BRAINDUMPS AND HIGH-EFFICIENT NEW 212-81 BRAINDUMPS PDF & PROFESSIONAL CERTIFICATION CERTIFIED ENCRYPTION SPECIALIST BOOK TORRENT

Valid 212-81 Valid Exam Braindumps and High-Efficient New 212-81 Braindumps Pdf & Professional Certification Certified Encryption Specialist Book Torrent

Valid 212-81 Valid Exam Braindumps and High-Efficient New 212-81 Braindumps Pdf & Professional Certification Certified Encryption Specialist Book Torrent

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The EC-Council Certified Encryption Specialist (ECES) certification exam is designed to test an individual's knowledge and skills in the field of encryption. It is a highly sought-after certification in the IT industry, as encryption is a critical element of cybersecurity. The ECES certification is an intermediate-level certification suitable for IT professionals, including security analysts, network administrators, and system engineers.

EC-COUNCIL 212-81 (Certified Encryption Specialist) Certification Exam covers a wide range of topics, including encryption basics, symmetric and asymmetric key cryptography, public key infrastructure (PKI), digital signatures, and more. 212-81 exam is designed to test your knowledge and understanding of these topics, as well as your ability to apply them in real-world scenarios.

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To become certified, candidates must pass a rigorous examination that tests their knowledge and skills in encryption. 212-81 Exam is designed to be challenging and comprehensive, and it requires candidates to have a deep understanding of encryption technologies and their applications. Candidates who pass the exam will receive the ECS certification, which is recognized globally as a mark of excellence in encryption.

EC-COUNCIL Certified Encryption Specialist Sample Questions (Q147-Q152):

NEW QUESTION # 147
Which of the following is a fundamental principle of cryptography that holds that the algorithm can be publicly disclosed without damaging security?

  • A. Vigenere's principle
  • B. Kerkchoff's principle
  • C. Shamir's principle
  • D. Babbage's principle

Answer: B

Explanation:
Kerkchoff's principle
https://en.wikipedia.org/wiki/Kerckhoffs%27s_principle
Kerckhoffs's principle (also called Kerckhoffs's desideratum, assumption, axiom, doctrine or law) of cryptography was stated by Netherlands born cryptographer Auguste Kerckhoffs in the 19th century: A cryptosystem should be secure even if everything about the system, except the key, is public knowledge.
Kerckhoffs's principle was reformulated (or possibly independently formulated) by American mathematician Claude Shannon as "the enemy knows the system", i.e., "one ought to design systems under the assumption that the enemy will immediately gain full familiarity with them". In that form, it is called Shannon's maxim. This concept is widely embraced by cryptographers, in contrast to "security through obscurity", which is not.


NEW QUESTION # 148
A transposition cipher invented 1918 by Fritz Nebel, used a 36 letter alphabet and a modified Polybius square with a single columnar transposition.

  • A. Book Ciphers
  • B. Cipher Disk
  • C. ADFVGX Cipher
  • D. ROT13 Cipher

Answer: C

Explanation:
ADFVGX Cipher
https://en.wikipedia.org/wiki/ADFGVX_cipher
ADFGVX cipher was a field cipher used by the German Army on the Western Front during World War I. ADFGVX was in fact an extension of an earlier cipher called ADFGX.
Invented by Lieutenant Fritz Nebel (1891-1977) and introduced in March 1918, the cipher was a fractionating transposition cipher which combined a modified Polybius square with a single columnar transposition.
Incorrect answers:
Book Ciphers - or Ottendorf cipher, is a cipher in which the key is some aspect of a book or other piece of text. Books, being common and widely available in modern times, are more convenient for this use than objects made specifically for cryptographic purposes. It is typically essential that both correspondents not only have the same book, but the same edition.
Cipher Disk - enciphering and deciphering tool developed in 1470 by the Italian architect and author Leon Battista Alberti. He constructed a device, (eponymously called the Alberti cipher disk) consisting of two concentric circular plates mounted one on top of the other. The larger plate is called the "stationary" and the smaller one the "moveable" since the smaller one could move on top of the "stationary" ROT13 Cipher - simple letter substitution cipher that replaces a letter with the 13th letter after it, in the alphabet. ROT13 is a special case of the Caesar cipher which was developed in ancient Rome.


NEW QUESTION # 149
A transposition cipher invented 1918 by Fritz Nebel, used a 36 letter alphabet and a modified Polybius square with a single columnar transposition.

  • A. Book Ciphers
  • B. Cipher Disk
  • C. ADFVGX Cipher
  • D. ROT13 Cipher

Answer: C

Explanation:
ADFVGX Cipher
https://en.wikipedia.org/wiki/ADFGVX_cipher
ADFGVX cipher was a field cipher used by the German Army on the Western Front during World War
I. ADFGVX was in fact an extension of an earlier cipher called ADFGX.
Invented by Lieutenant Fritz Nebel (1891-1977) and introduced in March 1918, the cipher was a fractionating transposition cipher which combined a modified Polybius square with a single columnar transposition.
Incorrect answers:
Book Ciphers - or Ottendorf cipher, is a cipher in which the key is some aspect of a book or other piece of text. Books, being common and widely available in modern times, are more convenient for this use than objects made specifically for cryptographic purposes. It is typically essential that both correspondents not only have the same book, but the same edition.
Cipher Disk - enciphering and deciphering tool developed in 1470 by the Italian architect and author Leon Battista Alberti. He constructed a device, (eponymously called the Alberti cipher disk) consisting of two concentric circular plates mounted one on top of the other. The larger plate is called the "stationary" and the smaller one the "moveable" since the smaller one could move on top of the "stationary" ROT13 Cipher - simple letter substitution cipher that replaces a letter with the 13th letter after it, in the alphabet. ROT13 is a special case of the Caesar cipher which was developed in ancient Rome.


NEW QUESTION # 150
A linear congruential generator is an example of what?

  • A. A pseudo random number generator
  • B. A random number generator
  • C. A prime number generator
  • D. A coprime generator

Answer: A

Explanation:
A pseudo random number generator
https://en.wikipedia.org/wiki/Linear_congruential_generator
A linear congruential generator (LCG) is an algorithm that yields a sequence of pseudo-randomized numbers calculated with a discontinuous piecewise linear equation. The method represents one of the oldest and best-known pseudorandom number generator algorithms. The theory behind them is relatively easy to understand, and they are easily implemented and fast, especially on computer hardware which can provide modular arithmetic by storage-bit truncation.


NEW QUESTION # 151
Which component of IPsec performs protocol-level functions that are required to encrypt and decrypt the packets?

  • A. Oakley
  • B. IPsec driver
  • C. IPsec Policy Agent
  • D. Internet Key Exchange (IKE)

Answer: D

Explanation:
Internet Key Exchange (IKE)
https://en.wikipedia.org/wiki/Internet_Key_Exchange
Internet Key Exchange (IKE, sometimes IKEv1 or IKEv2, depending on version) is the protocol used to set up a security association (SA) in the IPsec protocol suite. IKE builds upon the Oakley protocol and ISAKMP. IKE uses X.509 certificates for authentication - either pre-shared or distributed using DNS (preferably with DNSSEC) - and a Diffie-Hellman key exchange to set up a shared session secret from which cryptographic keys are derived.
Incorrect answers:
Oakley - the Oakley Key Determination Protocol is a key-agreement protocol that allows authenticated parties to exchange keying material across an insecure connection using the Diffie-Hellman key exchange algorithm. The protocol was proposed by Hilarie K. Orman in 1998, and formed the basis for the more widely used Internet Key Exchange protocol.
IPsec Policy Agent - service provides end-to-end security between clients and servers on TCP/IP networks, manages IPsec policy settings, starts the Internet Key Exchange (IKE), and coordinates IPsec policy settings with the IP security driver.
IPsec driver - wrong!


NEW QUESTION # 152
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