WGU C839 v5/WGU D334 Practice Exam Prep
WGU C839 V5/WGU D334 PRACTICE EXAM PREP NEWEST
2026/2027 ACTUAL EXAM COMPLETE 170 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
A+||BRAND NEW VERSION!!
RC4 is a(n) _____.
A. Symmetric block cipher
B. Symmetric stream cipher
C. Asymmetric algorithm - Correct Answer-Symmetric stream cipher
An entity seeking to obtain a digital certificate must generate and submit a _____
request to a certificate authority to request the certificate.
A. certificate binding
B. certificate signing
C. certificate initialization - Correct Answer-certificate signing request (CSR)
ChaCha is a(n) _____.
A. Symmetric block cipher
B. Symmetric stream cipher
C. Asymmetric algorithm - Correct Answer-Symmetric stream cipher
RSA and DSA are both_____.
A. Hash algorithms
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, WGU C839 v5/WGU D334 Practice Exam Prep
B. Symmetric stream ciphers
C. Asymmetric algorithms - Correct Answer-Asymmetric algorithms
_____ provides a method for key exchange using a one-way function.
A. A hash algorithm
B. Quark
C. Diffie-Hellman - Correct Answer-Diffie-Hellman
_____ is a Lightweight cryptography method for signing messages (MAC).
A. Chaskey
B. Diffie-Hellman
C. Vigenere - Correct Answer-Chaskey
WEP uses _____-bit RC4.
A. 40
B. 128
C. 256 - Correct Answer-40
An entity seeking to obtain a digital certificate must first generate a _____ for
themselves.
A. secret key
B. asymmetric key pair
C. registration authority - Correct Answer-asymmetric key pair
2|Page
, WGU C839 v5/WGU D334 Practice Exam Prep
WPA uses _____-bit RC4.
A. 40
B. 128
C. 256 - Correct Answer-128
Wi-Fi Protected Access 2 (WPA2) uses 128-bit _____.
A. RC4
B. AES
C. ECC - Correct Answer-AES
_____ substitution is where a single mapping from our alphabet to a cipher
alphabet is created.
A. Mono-alphabetic
B. Polyalphabetic
C. Pseudo-random - Correct Answer-Mono-alphabetic
What step will a certificate authority (CA) take after generating a digital certificate
for a requester, but before issuing the certificate to that requester?
A. Sign the certificate with the CA's own private key
B. Sign the certificate with the CA's own public key
C. Sign the certificate with the requester's private key - Correct Answer-Sign the
certificate with the CA's own private key
3|Page
, WGU C839 v5/WGU D334 Practice Exam Prep
_______ refers to the mapping of our alphabet to a number of cipher alphabets.
A. Mono-alphabetic
B. Polyalphabetic
C. Pseudo-random - Correct Answer-Polyalphabetic
_____ is considered to be unbreakable since it only uses its cipher code once. -
Correct Answer-One-time pad
_____ encoding involves 8-bit values and supports up to 256 characters. - Correct
Answer-ASCII
A _____ occurs when two different input values produce the same hash signature.
A. collision
B. rainbow
C. tunnel - Correct Answer-collision
_____ is an encoding method with 16-bit values and supports up to 65,536
characters. - Correct Answer-UTF-16
The light-weight symmetric stream cipher Trivium operates with a key size of
______ bits and an initialization vector (IV) of _____ bits.
A. 80; 80
B. 64; 128
C. 128; 64 - Correct Answer-80; 80
4|Page
WGU C839 V5/WGU D334 PRACTICE EXAM PREP NEWEST
2026/2027 ACTUAL EXAM COMPLETE 170 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
A+||BRAND NEW VERSION!!
RC4 is a(n) _____.
A. Symmetric block cipher
B. Symmetric stream cipher
C. Asymmetric algorithm - Correct Answer-Symmetric stream cipher
An entity seeking to obtain a digital certificate must generate and submit a _____
request to a certificate authority to request the certificate.
A. certificate binding
B. certificate signing
C. certificate initialization - Correct Answer-certificate signing request (CSR)
ChaCha is a(n) _____.
A. Symmetric block cipher
B. Symmetric stream cipher
C. Asymmetric algorithm - Correct Answer-Symmetric stream cipher
RSA and DSA are both_____.
A. Hash algorithms
1|Page
, WGU C839 v5/WGU D334 Practice Exam Prep
B. Symmetric stream ciphers
C. Asymmetric algorithms - Correct Answer-Asymmetric algorithms
_____ provides a method for key exchange using a one-way function.
A. A hash algorithm
B. Quark
C. Diffie-Hellman - Correct Answer-Diffie-Hellman
_____ is a Lightweight cryptography method for signing messages (MAC).
A. Chaskey
B. Diffie-Hellman
C. Vigenere - Correct Answer-Chaskey
WEP uses _____-bit RC4.
A. 40
B. 128
C. 256 - Correct Answer-40
An entity seeking to obtain a digital certificate must first generate a _____ for
themselves.
A. secret key
B. asymmetric key pair
C. registration authority - Correct Answer-asymmetric key pair
2|Page
, WGU C839 v5/WGU D334 Practice Exam Prep
WPA uses _____-bit RC4.
A. 40
B. 128
C. 256 - Correct Answer-128
Wi-Fi Protected Access 2 (WPA2) uses 128-bit _____.
A. RC4
B. AES
C. ECC - Correct Answer-AES
_____ substitution is where a single mapping from our alphabet to a cipher
alphabet is created.
A. Mono-alphabetic
B. Polyalphabetic
C. Pseudo-random - Correct Answer-Mono-alphabetic
What step will a certificate authority (CA) take after generating a digital certificate
for a requester, but before issuing the certificate to that requester?
A. Sign the certificate with the CA's own private key
B. Sign the certificate with the CA's own public key
C. Sign the certificate with the requester's private key - Correct Answer-Sign the
certificate with the CA's own private key
3|Page
, WGU C839 v5/WGU D334 Practice Exam Prep
_______ refers to the mapping of our alphabet to a number of cipher alphabets.
A. Mono-alphabetic
B. Polyalphabetic
C. Pseudo-random - Correct Answer-Polyalphabetic
_____ is considered to be unbreakable since it only uses its cipher code once. -
Correct Answer-One-time pad
_____ encoding involves 8-bit values and supports up to 256 characters. - Correct
Answer-ASCII
A _____ occurs when two different input values produce the same hash signature.
A. collision
B. rainbow
C. tunnel - Correct Answer-collision
_____ is an encoding method with 16-bit values and supports up to 65,536
characters. - Correct Answer-UTF-16
The light-weight symmetric stream cipher Trivium operates with a key size of
______ bits and an initialization vector (IV) of _____ bits.
A. 80; 80
B. 64; 128
C. 128; 64 - Correct Answer-80; 80
4|Page
