WGU C839 INTRO TO CRYPTOGRAPHY
EXAM 2024 PRE-ASSESSMENT EXAM
COMPLETE 500 QUESTIONS WITH 100%
DETAILED VERIFIED AND CORRECT
ANSWERS ACTUAL BRAND-NEW EXAM
ALREADY GRADED A+
A Symmetric cryptography
B Masking
C Steganography
D Asymmetric cryptography C
If you wished to see a list of revoked certificates from a
CA, where would you look?
A CRL
B CA
C RFC
D
RA
A
Which of the following is generally true about block
ciphers?
A Secret block ciphers should be trusted.
B Block ciphers permute the bits of the input
1
,plaintext.
C The plaintext and ciphertext are always the same size.
D A block cipher is an encryption function for
variable-size blocks of data.
C
What does the OCSP protocol provide?
A encryption
B VPN connectivity
C hashing
D a real time protocol for verifying certificates D
What type of encryption uses different keys to encrypt
and decrypt the message?
A Symmetric
B Private key
C Secure
D Asymmetric
D
The most widely used asymmetric encryption algorithm is
what?
A RSA
2
,B Vigenere
C DES
D Caesar Cipher
A
Original, unencrypted information is referred to as
____.
A text
B plaintext
C cleantext
D ciphertext B
Which of the following is NOT an asymmetric system?
A PGP
B RSA
C SSL
D DES
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
3
, C User B's public key
D User B's private key 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 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 D
A _____ is a function that takes a variable-size input m
and returns a fixed-size string.
A Symmetric cipher
B Hash
4
EXAM 2024 PRE-ASSESSMENT EXAM
COMPLETE 500 QUESTIONS WITH 100%
DETAILED VERIFIED AND CORRECT
ANSWERS ACTUAL BRAND-NEW EXAM
ALREADY GRADED A+
A Symmetric cryptography
B Masking
C Steganography
D Asymmetric cryptography C
If you wished to see a list of revoked certificates from a
CA, where would you look?
A CRL
B CA
C RFC
D
RA
A
Which of the following is generally true about block
ciphers?
A Secret block ciphers should be trusted.
B Block ciphers permute the bits of the input
1
,plaintext.
C The plaintext and ciphertext are always the same size.
D A block cipher is an encryption function for
variable-size blocks of data.
C
What does the OCSP protocol provide?
A encryption
B VPN connectivity
C hashing
D a real time protocol for verifying certificates D
What type of encryption uses different keys to encrypt
and decrypt the message?
A Symmetric
B Private key
C Secure
D Asymmetric
D
The most widely used asymmetric encryption algorithm is
what?
A RSA
2
,B Vigenere
C DES
D Caesar Cipher
A
Original, unencrypted information is referred to as
____.
A text
B plaintext
C cleantext
D ciphertext B
Which of the following is NOT an asymmetric system?
A PGP
B RSA
C SSL
D DES
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
3
, C User B's public key
D User B's private key 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 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 D
A _____ is a function that takes a variable-size input m
and returns a fixed-size string.
A Symmetric cipher
B Hash
4
