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WGU C839 OBJECTIVE ASSESSMENT FINAL EXAM
NEWEST 2025/ 2026 COMPLETE 300 QUESTIONS AND
CORRECT ANSWERS WITH RATIONALES (VERIFIED
ANSWERS) |ALREADY GRADED A+||NEWEST
VERSION!!!
What type of encryption uses different keys to encrypt and
decrypt the message?
A Symmetric
B Private key
C Secure
D Asymmetric - Answer-D
The most widely used asymmetric encryption algorithm is
what?
A RSA
B Vigenere
C DES
D Caesar Cipher - Answer-A
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Original, unencrypted information is referred to as ____.
A text
B plaintext
C cleantext
D ciphertext - Answer-B
Which of the following is NOT an asymmetric system?
A PGP
B RSA
C SSL
D DES - Answer-D
In order for User A to send User B an encrypted message
that only User B can read, User A must encrypt message
with which of the following keys?
A User A's public key
B User A's private key
C User B's public key
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D User B's private key - Answer-C
The greatest weakness with symmetric algorithms is
_____.
A They are less secure than asymmetric
B The problem of key exchange
C They are slower than asymmetric
D The problem of generating keys - Answer-B
Which of the following is generally true about block sizes?
A Smaller block sizes increase security
B Block sizes must be more than 256 bits to be secure
C Block size is irrelevant to security
D Larger block sizes increase security - Answer-D
A _____ is a function that takes a variable-size input m
and returns a fixed-size string.
A Symmetric cipher
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B Hash
C Asymmetric cipher
D Feistel - Answer-B
Which of the following is a cryptographic protocol that
allows two parties to establish a shared key over an
insecure channel?
A Elliptic Curve
B RSA
C MD5
D Diffie-Hellman - Answer-D
A _________ is a digital representation of information that
identifies you as a relevant entity by a trusted third party?
A Digital Signature
B Hash
C Ownership stamp
D Digest - Answer-A
WGU C839 OBJECTIVE ASSESSMENT FINAL EXAM
NEWEST 2025/ 2026 COMPLETE 300 QUESTIONS AND
CORRECT ANSWERS WITH RATIONALES (VERIFIED
ANSWERS) |ALREADY GRADED A+||NEWEST
VERSION!!!
What type of encryption uses different keys to encrypt and
decrypt the message?
A Symmetric
B Private key
C Secure
D Asymmetric - Answer-D
The most widely used asymmetric encryption algorithm is
what?
A RSA
B Vigenere
C DES
D Caesar Cipher - Answer-A
,2|Page
Original, unencrypted information is referred to as ____.
A text
B plaintext
C cleantext
D ciphertext - Answer-B
Which of the following is NOT an asymmetric system?
A PGP
B RSA
C SSL
D DES - Answer-D
In order for User A to send User B an encrypted message
that only User B can read, User A must encrypt message
with which of the following keys?
A User A's public key
B User A's private key
C User B's public key
,3|Page
D User B's private key - Answer-C
The greatest weakness with symmetric algorithms is
_____.
A They are less secure than asymmetric
B The problem of key exchange
C They are slower than asymmetric
D The problem of generating keys - Answer-B
Which of the following is generally true about block sizes?
A Smaller block sizes increase security
B Block sizes must be more than 256 bits to be secure
C Block size is irrelevant to security
D Larger block sizes increase security - Answer-D
A _____ is a function that takes a variable-size input m
and returns a fixed-size string.
A Symmetric cipher
, 4|Page
B Hash
C Asymmetric cipher
D Feistel - Answer-B
Which of the following is a cryptographic protocol that
allows two parties to establish a shared key over an
insecure channel?
A Elliptic Curve
B RSA
C MD5
D Diffie-Hellman - Answer-D
A _________ is a digital representation of information that
identifies you as a relevant entity by a trusted third party?
A Digital Signature
B Hash
C Ownership stamp
D Digest - Answer-A
