age 1 of 29
WGU C839 INTRO TO CRYPTOGRAPHY OBJECTIVE
ASSESSMENT ACTUAL EXAM 2025/2026 ACCURATE
QUESTIONS WITH CORRECT DETAILED ANSWERS ||
100% GUARANTEED PASS <RECENT VERSION>
Which encryption standard uses the same key to encrypt and
decrypt messages? .......Answer.........Symmetric
Which algorithm is designated as a Type 2 product by the
National Security Agency (NSA)? .......Answer.........Skipjack
What is the most commonly used format for certificates?
.......Answer.........X.509 v3
What is referenced to determine if a certificate has been
revoked? .......Answer.........Certificate revocation list (CRL)
,age 2 of 29
What needs to be installed on end users' computers to allow
them to trust applications that have been digitally signed by the
developer? .......Answer.........Sender's public key
Which type of certificate must be certified by an authority to
verify it with other participants? .......Answer.........Public
Certificate
What is an attribute of the Rivest Cipher 4 (RC4) algorithm?
.......Answer.........It requires a unique nonce.
Which mode generates the key stream with a nonce and
incrementing value? .......Answer.........Counter (CTR)
Which mode is a stream algorithm that concatenates an
incrementing value with a nonce? .......Answer.........Counter (CTR)
, age 3 of 29
Which key would an administrator use to encrypt data so only
the CEO can decrypt it? .......Answer.........CEO's public key
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
WGU C839 INTRO TO CRYPTOGRAPHY OBJECTIVE
ASSESSMENT ACTUAL EXAM 2025/2026 ACCURATE
QUESTIONS WITH CORRECT DETAILED ANSWERS ||
100% GUARANTEED PASS <RECENT VERSION>
Which encryption standard uses the same key to encrypt and
decrypt messages? .......Answer.........Symmetric
Which algorithm is designated as a Type 2 product by the
National Security Agency (NSA)? .......Answer.........Skipjack
What is the most commonly used format for certificates?
.......Answer.........X.509 v3
What is referenced to determine if a certificate has been
revoked? .......Answer.........Certificate revocation list (CRL)
,age 2 of 29
What needs to be installed on end users' computers to allow
them to trust applications that have been digitally signed by the
developer? .......Answer.........Sender's public key
Which type of certificate must be certified by an authority to
verify it with other participants? .......Answer.........Public
Certificate
What is an attribute of the Rivest Cipher 4 (RC4) algorithm?
.......Answer.........It requires a unique nonce.
Which mode generates the key stream with a nonce and
incrementing value? .......Answer.........Counter (CTR)
Which mode is a stream algorithm that concatenates an
incrementing value with a nonce? .......Answer.........Counter (CTR)
, age 3 of 29
Which key would an administrator use to encrypt data so only
the CEO can decrypt it? .......Answer.........CEO's public key
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
