3des - Study guides, Class notes & Summaries

WGU C839 Objective Assessment Study Guide (Latest 2024/ 2025 Update) Introduction to Cryptography| Qs & As| Grade A| 100% Correct (Verified Answers) Q: Information Theory Answer: -Published by Claude Shannon in 1949 in the Bell System Technical Journal - Important concepts: -Diffusion -Confusion -Avalanche Effect (Horst Feist's variation on Shannon's concept of diffusion Q: Kerckhoff's Principle Answer: -1883 -A crptosystem should be secure even if all its elemen...

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.) d. By substituting each letter for the letter from the opposite end of the alphabet (i.e. A becomes Z, B becomes Y, etc.) DES has a key space of what? a. 2^128 b. 2^192 c. 2^56 d. 2^64 c. 2^56 ...

Elliptic Curve Cryptography (ECC) Correct Answer asymmetric cipher that provides digital signa-tures, key distribution, and encryption capabilities 2FA Correct Answer Two-Factor Authentication 3DES Correct Answer Triple Digital Encryption Standard ACL Correct Answer Access Control List AES Correct Answer Advanced Encryption Standard AJAX Correct Answer Asynchronous JavaScript and XML ALE Correct Answer Annualized Loss Expectancy API Correct Answer Application Programming Int...

What type of encryption uses different keys to encrypt and decrypt the message? A Symmetric B Private key C Secure D Asymmetric D The most widely used asymmetric encryption algorithm is what? A RSA B Vigenere C DES D Caesar Cipher A Original, unencrypted information is referred to as ____. A text B plaintext C cleantext D ciphertext B Which of the following is NOT an asymmetric system? A PGP B RSA C SSL D DES D In order for User A to send U...

CREST CPSA EXAM REVIEW QUESTIONS AND ANSWERS, GRADED A+/ APPROVED/ %SYSTEMDRIVE% - Contains the boot options for computers with BIOS firmware running NT-based operating system prior to Windows Vista %SYSTEMROOT%repairSAM %SYSTEMROOT%System32configRegBackSAM - Stores Windows users' passwords in a hashed format (in LM hash and NTLM hash). These are backups of C:windowssystem32configSAM 1.3.6.1.2.1.25.1.6.0 System Processes 1.3.6.1.2.1.25.4.2.1.2 Running Programs ...

Multiple Encryption - correct answer the process of encrypting an already encrypted message one or more times Double DES - correct answer The simplest form of multiple encryption has two encryption stages and two keys Given the potential vulnerability of DES to a brute-force attack, what are the alternatives? - correct answer - design a new algorithm AES for example - to use multiple encryption with DES and multiple keys. double DES strengths? - correct answer - more security (because ...

EC-Council Certified Encryption Specialist v2 (ECES) - Practice Questions and AnswersEC-Council Certified Encryption Specialist v2 (ECES) - Practice Questions and AnswersEC-Council Certified Encryption Specialist v2 (ECES) - Practice Questions and AnswersEC-Council Certified Encryption Specialist v2 (ECES) - Practice Questions and Answers 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 numbe...

EC-Council Certified Encryption Specialist v2 (ECES) - Practice Questions with Verified Answers 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.) d. By substituting each letter for the letter from the opposite end of the alphabet (i.e. A becomes Z, B becomes...

W836 Object Assessment Fundamentals of Information Security Exam| 100% Correct| Questions and Verified Answers| 2023/ 2024 Update Q: What is a risk? Answer: the likelihood that something bad will happen from a threat exploiting a vulnerability Q: What in an impact? Answer: The value of the assets being threatened Q: Physical Controls Answer: Locks, fences, doors, and guards are examples of Q: Technical Controls Answer: Firewalls, IPS, IDS, and Anti...

CSSLP Questions and Answers with 100%Correct Solutions. *-property - correct answer Pronounced "star property," this aspect of the Bell-LaPadula security model is commonly referred to as the "no-write-down" rule because it doesn't allow a user to write to a file with a lower security classification, thus preserving confidentiality. 3DES - correct answer Triple DES encryption—three rounds of DES encryption used to improve security. 802.11 - correct answer A family of standards that ...