Wgu c839 - Study guides, Revision notes & Summaries

WGU C839 Objective Assessment Study Review (Latest 2024/ 2025 Update) Introduction to Cryptography| Qs & As| Grade A| 100% Correct (Verified Answers) Q: A _____ is a function that takes a variable-size input m and returns a fixed-size string. A Symmetric cipher B Hash C Asymmetric cipher D Feistel Answer: B Q: Which of the following is a cryptographic protocol that allows two parties to establish a shared key over an insecure channel? A Elliptic Curve B RSA C MD5 D ...

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 Objective Assessment Study (New 2024/ 2025 Update) Introduction to Cryptography| Guide with Qs & As| Grade A| 100% Correct (Verified Answers)

WGU C839 Final Exam (New 2024/ 2025 Update) Introduction to Cryptography| Qs & As| Grade A| 100% Correct (Verified Answers)

WGU C839 Objective Assessment Study (New 2024/ 2025 Update) Introduction to Cryptography| Review with Qs & As| Grade A| 100% Correct (Verified Answers)

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...

WGU C839 Pre- Assessment Version 2 (New 2024/ 2025 Update) Introduction to Cryptography| Qs & As| Grade A| 100% Correct (Verified Answers)

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...

WGU C839 Pre- Assessment V1 (Latest 2024/ 2025 Update) Introduction to Cryptography| Qs & As| Grade A| 100% Correct (Verified Answers) Q: Employee A created a secret key and wants to send it to Employee B without any coworkers being able to decrypt the message.Which key needs to encrypt the message? Answer: Employee B's public key Q: Which type of cipher is ChaCha? Answer: stream Q: What is the key size for RC4 with WEP? Answer: 40 bits Q: Which sym...