WGU D334 Objective Assessment (Latest Update 2026 /2027)
Introduction to Cryptography Core Exam Questions and Answers
(100% Correct) GUARANTEED Pass A+ - WGU
RC4 is a symmetric stream cipher with a variable key size up to a max of _____ bits.
A. 256
B. 2048
C. 1024 - correct answer 2048
_____ has a block size of 64 bits, key size of 56 bits, and 16 rounds of substitution &
transposition.
A. DES
B. AES
C. RC4 - correct answer Data Encryption Standard (DES)
A(n) _____ is a collection of precomputed hash values of actual plaintext passwords
used for password cracking.
A. initialization vector
B. key pair
C. rainbow table - correct answer rainbow table
_____ is a common x.509 certificate file type that is used with both PEM and DER
formats.
,A. .crt
B. .cer
C. .der - correct answer .cer
Skipjack is a symmetric block cipher that uses a ______ bit key.
A. 64
B. 80
C. 112 - correct answer 80
Enocoro operates with a key size of ______ bits and an initialization vector (IV) of
_____ bits.
A. 80; 80
B. 128; 64
C. 80; 64 - correct answer 128-bit key size; 64-bit IV
_____ has a block size of 64 bits, key size of 112 bits, and 48 rounds of substitution
& transposition.
A. DES
B. RSA
C. 3DES - correct answer Triple Data Encryption Standard (3DES)
Skipjack has a block size of _____bits.
A. 64
,B. 80
C. 128 - correct answer 64
PHOTON, SPONGENT, Lesamnta-LW, and Quark are examples of light-weight _____.
A. hashing algorithms
B. public-key algorithms
C. symmetric block ciphers - correct answer Light-weight hashing algorithms
_____ has a block size of 64 bits, key size of 128 bits, and >17 rounds of substitution
& transposition.
A. RSA
B. DSA
C. IDEA - correct answer IDEA
Quark produces a hash value of _____bits.
A. 128
B. 64 or 112
C. 80 or 128 - correct answer 64 or 112
The block size used with XTEA is _____ bits.
A. 56
B. 64
C. 80 - correct answer 64
, The key size used with XTEA is _____ bits.
A. 128
B. 256
C. 2048 - correct answer 128
Key sizes used with the Advanced Encryption Standard (AES) include _____. _____, or
_____.
A. 10, 12, 14
B. 128, 192, 256
C. 32, 64, 80 - correct answer 128, 192, 256
The Advanced Encryption Standard (AES) operates using _____ bit blocks. A.
128
B. 192
C. 256 - correct answer 128
Camelia is a _____.
A. Hash Algorithm
B. Symmetric block cipher
Introduction to Cryptography Core Exam Questions and Answers
(100% Correct) GUARANTEED Pass A+ - WGU
RC4 is a symmetric stream cipher with a variable key size up to a max of _____ bits.
A. 256
B. 2048
C. 1024 - correct answer 2048
_____ has a block size of 64 bits, key size of 56 bits, and 16 rounds of substitution &
transposition.
A. DES
B. AES
C. RC4 - correct answer Data Encryption Standard (DES)
A(n) _____ is a collection of precomputed hash values of actual plaintext passwords
used for password cracking.
A. initialization vector
B. key pair
C. rainbow table - correct answer rainbow table
_____ is a common x.509 certificate file type that is used with both PEM and DER
formats.
,A. .crt
B. .cer
C. .der - correct answer .cer
Skipjack is a symmetric block cipher that uses a ______ bit key.
A. 64
B. 80
C. 112 - correct answer 80
Enocoro operates with a key size of ______ bits and an initialization vector (IV) of
_____ bits.
A. 80; 80
B. 128; 64
C. 80; 64 - correct answer 128-bit key size; 64-bit IV
_____ has a block size of 64 bits, key size of 112 bits, and 48 rounds of substitution
& transposition.
A. DES
B. RSA
C. 3DES - correct answer Triple Data Encryption Standard (3DES)
Skipjack has a block size of _____bits.
A. 64
,B. 80
C. 128 - correct answer 64
PHOTON, SPONGENT, Lesamnta-LW, and Quark are examples of light-weight _____.
A. hashing algorithms
B. public-key algorithms
C. symmetric block ciphers - correct answer Light-weight hashing algorithms
_____ has a block size of 64 bits, key size of 128 bits, and >17 rounds of substitution
& transposition.
A. RSA
B. DSA
C. IDEA - correct answer IDEA
Quark produces a hash value of _____bits.
A. 128
B. 64 or 112
C. 80 or 128 - correct answer 64 or 112
The block size used with XTEA is _____ bits.
A. 56
B. 64
C. 80 - correct answer 64
, The key size used with XTEA is _____ bits.
A. 128
B. 256
C. 2048 - correct answer 128
Key sizes used with the Advanced Encryption Standard (AES) include _____. _____, or
_____.
A. 10, 12, 14
B. 128, 192, 256
C. 32, 64, 80 - correct answer 128, 192, 256
The Advanced Encryption Standard (AES) operates using _____ bit blocks. A.
128
B. 192
C. 256 - correct answer 128
Camelia is a _____.
A. Hash Algorithm
B. Symmetric block cipher
