WGU C839V5/D334 Passed Exam || Most Recent Exam
2026/2027 Actual Complete Real Exam Questions And
Correct Answers (Verified Answers) Already Graded
A+ | Guaranteed Success!! Newest Exam | Just
Released!!
The two types of symmetric ciphers are _____
and _____
A. Block,
Stream
B. CTR,
DES
C. Active, Passive - ANSWER-Block,
Stream
When encrypting data using asymmetric cryptography,
which key should be
shared or distributed to facilitate
decryption?
A. Secret
key
B. Private
key
C. Public key - ANSWER-
Public key
,_____ are used to manage how blocks of data are processed
in symmetric
encryption.
A. Stream
ciphers
B. Block cipher
modes
C. Padding - ANSWER-Block cipher
modes
Which symmetric block cipher modes enable the block cipher
to operate like a
stream
cipher?
A. ECB, DES,
ECC
B. CFB, OFB,
CTR
C. DSA, RSA, RC6 - ANSWER-CFB,
OFB, CTR
Symmetric block ciphers make use of _____ to perform
substitution as part the
encryption
process.
A. p-
boxes
,B. s-
boxes
C. IVs - ANSWER-S-
boxes
PRESENT is a light-weight symmetric block cipher with a key
size of 80 or 128
bits, 32 rounds, and ______ bit
block size.
A. 32
B. 64
C. 128 - ANSWER-
64
______ cryptography makes use of a key pair (one public,
one private) to perform encryption and decryption. If a
given key in a key pair is used for encryption, only the
opposite key in that key pair can perform the reverse
decryption. A. Symmetric
B. Asymmetric
C. Hash - ANSWER-Asymmetric
When encrypting data using symmetric cryptography, which
key may need to be exchanged to facilitate decryption?
A. Secret key
B. Private key
C. Public key - ANSWER-Secret key
, RC5 is a conventional symmetric block cipher that is suitable
for light-weight
implementations. It has a variable key size with a max
of _____bits.
A. 128
B. 256
C. 2048 - ANSWER-
2048
What is the block and key size in bits used by the light-weight
symmetric block cipher CLEFIA?
A. 64 bit blocks; 64 bit keys
B. 64 or 80 bit blocks; 128 bit keys
C. 128 bit blocks; 128, 192, or 256 bit keys - ANSWER-128 bit
blocks; 128, 192, or 256 bit keys
If Shawn employs public key cryptography to send Sue a
digitally signed
message, which key will Sue use to decrypt the
message?
A. Sue's private
key
B. Shawn's
private key
C. Sue's public key - ANSWER-Sue's
private key
_____ is a public key encryption method that is an extension
of El Gamal but adds a one-way hashing method which
2026/2027 Actual Complete Real Exam Questions And
Correct Answers (Verified Answers) Already Graded
A+ | Guaranteed Success!! Newest Exam | Just
Released!!
The two types of symmetric ciphers are _____
and _____
A. Block,
Stream
B. CTR,
DES
C. Active, Passive - ANSWER-Block,
Stream
When encrypting data using asymmetric cryptography,
which key should be
shared or distributed to facilitate
decryption?
A. Secret
key
B. Private
key
C. Public key - ANSWER-
Public key
,_____ are used to manage how blocks of data are processed
in symmetric
encryption.
A. Stream
ciphers
B. Block cipher
modes
C. Padding - ANSWER-Block cipher
modes
Which symmetric block cipher modes enable the block cipher
to operate like a
stream
cipher?
A. ECB, DES,
ECC
B. CFB, OFB,
CTR
C. DSA, RSA, RC6 - ANSWER-CFB,
OFB, CTR
Symmetric block ciphers make use of _____ to perform
substitution as part the
encryption
process.
A. p-
boxes
,B. s-
boxes
C. IVs - ANSWER-S-
boxes
PRESENT is a light-weight symmetric block cipher with a key
size of 80 or 128
bits, 32 rounds, and ______ bit
block size.
A. 32
B. 64
C. 128 - ANSWER-
64
______ cryptography makes use of a key pair (one public,
one private) to perform encryption and decryption. If a
given key in a key pair is used for encryption, only the
opposite key in that key pair can perform the reverse
decryption. A. Symmetric
B. Asymmetric
C. Hash - ANSWER-Asymmetric
When encrypting data using symmetric cryptography, which
key may need to be exchanged to facilitate decryption?
A. Secret key
B. Private key
C. Public key - ANSWER-Secret key
, RC5 is a conventional symmetric block cipher that is suitable
for light-weight
implementations. It has a variable key size with a max
of _____bits.
A. 128
B. 256
C. 2048 - ANSWER-
2048
What is the block and key size in bits used by the light-weight
symmetric block cipher CLEFIA?
A. 64 bit blocks; 64 bit keys
B. 64 or 80 bit blocks; 128 bit keys
C. 128 bit blocks; 128, 192, or 256 bit keys - ANSWER-128 bit
blocks; 128, 192, or 256 bit keys
If Shawn employs public key cryptography to send Sue a
digitally signed
message, which key will Sue use to decrypt the
message?
A. Sue's private
key
B. Shawn's
private key
C. Sue's public key - ANSWER-Sue's
private key
_____ is a public key encryption method that is an extension
of El Gamal but adds a one-way hashing method which
