Des encryption - Study guides, Class notes & Summaries

UNIVERSITY OF THE CUMBERLANDS ISOL 531 ACCESS CONTROL MIDTERM EXAM FALL SEMESTER 2024 APPROVED QUESTIONS AND ANSWERS EXAM A+ GRADE QUESTION 1 1. There are three principal components of any access control scenario: policies, subjects, and . tools procedu res objects access QUESTION 2 1. In the private sector, the most common systems use a token or challenge-response device coupled with a username and password. multilayered access control control asset value smart card QUE...

WGU C836 Fundamentals of Information Security Final Exam | Questions and Verified Answers| 2023/ 2024 Update Q: What process ensures compliance with applicable laws, policies, and other bodies of administrative control, and detects misuse? This task contains the radio buttons and checkboxes for options. The shortcut keys to perform this task are A to H and alt+1 to alt+9. A. Nonrepudiation B. Deterrence C. Auditing D. Accountability E. Authorization Answer: C. Auditing Lesson...

Chapter 2 – Cryptographic Tools TRUE/FALSE QUESTIONS: T F 1. Symmetric encryption is used primarily to provide confidentiality. T F 2. Two of the most important applications of public-key encryption are digital signatures and key management. T F 3. Cryptanalytic attacks try every possible key on a piece of ciphertext until an intelligible translation into plaintext is obtained. T F 4. The secret key is input to the encryption algorithm. T F 5. Triple DES tak...

WGU C839 - Intro to Cryptography with 100% Verified Questions And Answers Which of the following most accurately defines encryption? A changing a message so it can only be easily read by the intended recipient B Making binary changes to a message to conceal it C changing a message using complex mathematics D Applying keys to plain text A What type of encryption uses different keys to encrypt and decrypt the message? A Symmetric B Private key C Secure D Asymmetric D The m...

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 User B an encrypted message that onl...

WGU C839 - Introduction to Cryptography | 190 QUESTIONS | WITH COMPLETE SOLUTIONS. Serpent CORRECT ANSWERS: Symmetric Block Cipher Block Size: 128 bits Key Size: 128, 192, or 256 bits Rounds: 32 Network: Substitution-Permutation Tiny Encryption Algorithm (TEA) CORRECT ANSWERS: Symmetric Block Cipher Block Size: 64 bits Key Size: 128 bits Cryptography CORRECT ANSWERS: Deciphering secret writings, kryptos means hidden and grafo means write. Must not be readable by interlopers over secure...

WGU C839V5/D334 ADDITIONAL PRACTICE QUESTIONS AND ANSWERS VERIFIED 100% The hash value in bits for MD5 is ____. A. 128 B. 160 C. 256 Ans- 128 Hashing involves taking a _____ length input and producing a _____ length output (message digest). A. fixed; fixed B. variable; fixed C. fixed; variable Ans- variable; fixed The hash value in bits for SHA-1 is ____. A. 128 B. 160 C. 256 Ans- 160 The hash value in bits for MD4 is ____. A. 128 B. 160 C. 256 Ans- 128 ...

What type of encryption uses different keys to encrypt and decrypt the message? +Secure +Asymmetric +Private key +Symmetric Answer - Asymmetric Asymmetric cryptography, also known as public key cryptography, uses public and private keys to encrypt and decrypt data. The most widely used asymmetric encryption algorithm is what? +Caesar Cipher +Vigenere +RSA +DES Answer - RSA The RSA encryption algorithm is one of the most widely used public key encryption algorithms that have ...

Network+ N10-008 Network Security 4.1 Exam Study Guide with Complete Solutions Latest Updated CIA Triad - Correct Answer Confidentiality: Keeps data private and safe using encryption and authentication to access resources. Integrity: Ensures data was not modified in transit and verifies it came from its original source. Availability: Measures data accessibility and is increased by designed redundant networks. Symmetric Encryption - Correct Answer Sender and receiver use the same key to enc...

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