Ciphertext - Study guides, Class notes & Summaries

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...

What type of security training is specifically designed to educate employees about attack techniques? - ️️capture the flag Linda's organization recently experienced a social engineering attack. The attacker called a help desk employee and persuaded her that she was a project manager on a tight deadline and locked out of her account. The help desk technician provided the attacker with access to the account. What social engineering principle was used? - ️️urgency What type of phishi...

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 User B can read, User A must encrypt message with which of the following keys? A User A's public key B User A's private key C User B's public key D User B's private key C

ISC2 Cybersecurity Certification (CC) Exam Questions and Answers What type of security training is specifically designed to educate employees about attack techniques? - Answer ️️ -capture the flag Linda's organization recently experienced a social engineering attack. The attacker called a help desk employee and persuaded her that she was a project manager on a tight deadline and locked out of her account. The help desk technician provided the attacker with access to the account. What...

WGU C839 Final Exam (Latest 2024/ 2025 Update) Introduction to Cryptography| Qs & As| Grade A| 100% Correct (Verified Answers) Q: Which of the following are symmetric stream ciphers? Answer: - FISH - RC4 - PIKE Q: Identify and select the hash algorithms from the list below Answer: - FORK256 - MD5 - GOST - RIPEMD-160 Q: Identify and select viable options for key exchange: Answer: - DH - ECDH - MQV Q: Identify and select the 32 round symmetric blo...

WGU C839 Pre- Assessment V1 (Latest 2024/ 2025 Update) Introduction to Cryptography| Qs & As| Grade A| 100% Correct (Verified Answers) Q: What is the result of a hash function? Answer: Digest Q: What is used to efficiently encrypt *large files?* Answer: Symmetric encryption Q: An administrator needs to encrypt the following word with the Atbash cipher: *security* Which ciphertext is correct? Answer: hvxfirgb Remember this is a Mono-Alphabet Substituti...

CRY 303c Final Exam | Questions with complete solutions Which of the following violate Kerckhoff's principle? Select all that are applicable. A. A company states that its system is "secure" because it uses confidential and proprietary protocols. B. The company password is written using an invisible ink, and only the people within the company know the fact that invisible ink is used. C. The algorithms for popular symmetric ciphers such as DES and AES are publicly known. D. The attacker has t...

GMU IT 366 Midterm Exam Study Guide Questions with Verified Solutions At each layer, the unit of data has a different name. What is the general name for this data unit? What are the data units used at ISO OSI layers 1 through 4? The general name for this data unit is a Protocol Data Unit (PDU). At ISO OSI Layers 1-4 (from top to bottom): L4 Application Layer: "segment" L3 Network Layer: "packet" L2 Data Link Layer: "frame" L1 Physical Layer: "bits/bit stream" Does the ter...

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...

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...