Encryption algorithms Study guides, Class notes & Summaries

Name all OSI layers - THE CORRECT ANSWER IS Application, Presentation, Session, Transport, Network, Data Link, Physical. Name all TCP/IP layers - THE CORRECT ANSWER IS Application, Transport, internet, Network Access. Name Four TCP head flags - THE CORRECT ANSWER IS ACK, FIN, SYN, URG, PSH, RST Which layer does HTTP protocl reside in the OSI model. - THE CORRECT ANSWER IS Layer 7, Application. Which layer does Ethernet reside in the OSI model. - THE CORRECT ANSWER IS Layer 2, Data li...

You are responsible for configuring access control for a new group of users in your organization. What type of access control element are the group and the users considered? a.) Object b.) Subject c.) Access Rights b.) Subject Commonly referred to as the C.I.A. Triad in cybersecurity, what security goals represent the acronym C.I.A.? a.) Confidentiality, Integrity, Assurance b.) Confidentiality, Integrity, Availability c.) Confidentiality, Integrity, Authenticity d.) Ciphertext, I...

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 only...

MATH 5111 Final Exam Questions and Answers- Northeastern University Question 1 10 out of 10 points A strength of asymmetric algorithms when compared to symmetric algorithms is key management (sharing keys with others while maintaining secrecy). Selected Answer: True Answers: True False  Question 2 10 out of 10 points A strength of symmetric algorithms is that they have multiple modes. Selected Answer: True Answers: True False  Question 3 10 out of 10 points A weakness of sy...

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 ...

WGU C839V5/D334 ADDITIONAL PRACTICE QUESTIONS AND ANSWERS 2024/2025 SOLVED 100%;(VIEW AHEAD OF EXAM STUDY TIPS GUARANTEED SUCCESS) 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 f...

1. How did the ATBASH cipher work? correct answer By substituting each letter for the letter from the opposite end of the alphabet (i.e. Abecomes Z, B becomes Y, etc.) 2. DES has a key space of what? correct answer 2^56 3. Which of the following are valid key sizes for AES (choose three)? correct answer c. 128 d. 192 e. 256 4. Which of the following algorithms uses three different keys to encrypt the plain text? correct answer 3DES Triple Data Encryption System 5. Which of the f...

WGU-C838-Pre-Assessment questions and answers latest 2022"Which phase of the cloud data lifecycle allows both read and process functions to be performed? (A) Share (B) Store (C) Create (D) Archive" Create "Which phase of the cloud data security lifecycle typically occurs simultaneously with creation? (A) Use (B) Share (C) Store (D) Destroy" Store "Which phase of the cloud data life cycle uses content delivery networks? (A) Share (B) Create (C) Destroy (D) Archive...

ISC2 Cybersecurity Certification Terms (New 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| A Grade QUESTION Egress Monitoring Monitoring of outgoing network traffic. QUESTION Encapsulation Answer: Enforcement of data hiding and code hiding during all phases of software development and operational use. Bundling together data and methods is the process of encapsulation; its opposite process may be called unpacking, revealing, or using other terms...

1. Explain the elements of the CIA Triad and give an example of each.  Confidentiality- concept of the measures used to ensure the protection of the protection of the secrecy of data, objects, or resources. o Two-factor authentication to access sensitive data  Integrity- Concept of protecting reliability and correctness of data. o ATM and bank software ensure integrity by maintaining up to date monetary records  Availability- Authorized subjects are granted timely and uninterrupt...