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WGU C839 Pre- Assessment Version 2 (New 2024/ 2025 Update) Introduction to Cryptography| Qs & As| Grade A| 100% Correct (Verified Answers) What encryption standard uses the same key to encrypt and decrypt messages? - ANSW..Symmetric.$17.99
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WGU C839 Pre- Assessment Version 2 (New 2024/ 2025 Update) Introduction to Cryptography| Qs & As| Grade A| 100% Correct (Verified Answers) What encryption standard uses the same key to encrypt and decrypt messages? - ANSW..Symmetric.
WGU C839 Pre- Assessment Version 2 (New 2024/ 2025 Update)
Introduction to Cryptography| Qs & As| Grade A| 100% Correct
(Verified Answers)
What encryption standard uses the same key to encrypt and decrypt
messages? - ANSW..Symmetric.
WGU C839 Pre- Assessment Version 2 (New 2024/ 2025 Update)
Introduction to Cryptography| Qs & As| Grade A| 100% Correct
(Verified Answers)
What encryption standard uses the same key to encrypt and decrypt
messages? - ✔✔ANSW✔✔..👌Symmetric.
What algorithm is designated as a Type 2 product by the National
Security Agency (NSA)? - ✔✔ANSW✔✔..👌Skipjack.
Which attribute of a hashing function makes a birthday attack
possible? - ✔✔ANSW✔✔..👌Partial-message collision.
Which hash algorithm produces a 160-bit output value? -
✔✔ANSW✔✔..👌SHA-1
What does cipher block chaining (CBC) use with the key to encrypt
subsequent blocks of plaintext? - ✔✔ANSW✔✔..👌Previous
generated ciphertext.
Which mode produces the same ciphertext from two identical
plaintext blocks? - ✔✔ANSW✔✔..👌Electronic codebook (ECB).
Which encryption mode is least secure? - ✔✔ANSW✔✔..👌Electronic
codebook (ECB).
What is the mathematical formula used for symmetric decryption? -
✔✔ANSW✔✔..👌P = E (K,C)
Which algorithm relies on factoring the product of large prime
numbers? - ✔✔ANSW✔✔..👌Rivest-Shamir-Adleman.
Which encryption technology is a serial combination of hashing, data
compression, symmetric-key cryptography, and public key
infrastructure (PKI) and can be used for encrypting texts, emails,
files, and directories or for full disk encryption? -
✔✔ANSW✔✔..👌Pretty Good Privacy (PGP).
, Which concept stipulates that algorithms should be openly shared
and scrutinized, but keys must be absolutely secured? -
✔✔ANSW✔✔..👌Kerckhoffs's principle.
Which encryption process minimizes known plaintext attacks against
Advanced Encryption Standard (AES)? -
✔✔ANSW✔✔..👌Randomizing the initialization vector.
What prevents a rainbow table attack during the encryption
process? - ✔✔ANSW✔✔..👌Salting.
Which factor increases the required number of attempts in a brute-
force attack? - ✔✔ANSW✔✔..👌Larger key size.
What is a vulnerability of the Data Encryption Standard (DES)? -
✔✔ANSW✔✔..👌Key length is too short.
Which block size does the Advanced Encryption Standard (AES)
use? - ✔✔ANSW✔✔..👌128.
Which block algorithm includes a provision for the decryption key
kept in a key escrow? - ✔✔ANSW✔✔..👌Skipjack.
What is the result of A|B and B|C? - ✔✔ANSW✔✔..👌A|C
What is the most commonly used format for certificates? -
✔✔ANSW✔✔..👌X.509v3.
What is referenced to determine if a certificate has been revoked? -
✔✔ANSW✔✔..👌Certificate Revocation List (CRL).
What needs to be installed on end users' computers to allow them to
trust applications that have been digitally signed by the developer? -
✔✔ANSW✔✔..👌Sender's public key.
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