WGU C839 OBJECTIVE ASSESSMENT 2 LATEST VERSIONS (VERSION A & B) /WGU C839 INTRODUCTION TO CRYPTOGRAPHY OA ACTUAL EXAM
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Course
2024/2025
Institution
2024/2025
WGU C839 OBJECTIVE ASSESSMENT 2 LATEST VERSIONS
(VERSION A & B) /WGU C839 INTRODUCTION TO
CRYPTOGRAPHY OA ACTUAL EXAM
Which encryption standard uses the same key to encrypt and decrypt messages? -
Answer️️ -Symmetric
Which algorithm is designated as a Type 2 product by the National Securi...
What is the result of a hash function? - Answer✔️✔️-Digest
What is used to efficiently encrypt large files? - Answer✔️✔️-Symmetric encryption
An administrator needs to encrypt the following word with the Atbash cipher: security
What is the correct ciphertext? - Answer✔️✔️-hvxfirgb
Which cryptographic algorithm has a 128-bit hash size? - Answer✔️✔️-Message Digest
Algorithm 5 (MD5)
Which characteristic makes a hashing function suitable for use in signature schemes? -
Answer✔️✔️-Collision resistance
Which attribute of a hashing function makes a birthday attack possible? - Answer✔️✔️-
Partial-message collision
Which hash algorithm produces a 160-bit output value? - Answer✔️✔️-SHA-1
What does cipher block chaining (CBC) use with the key to encrypt subsequent blocks
of plaintext? - Answer✔️✔️-Previous generated ciphertext
Which mode produces the same ciphertext from two identical plaintext blocks? -
Answer✔️✔️-Electronic codebook (ECB)
Which encryption mode is least secure? - Answer✔️✔️-Electronic codebook (ECB)
What is the mathematical formula used for symmetric decryption? - Answer✔️✔️-P = E
(K,C)
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