WGU Course C839 - Intro to Cryptography/WGU C839 - Introduction to Cryptography| 190 QUESTIONS| WITH COMPLETE SOLUTIONS./get it 100% accurate!!

10/22/24, 7:26 AM WGU Course C839 - Intro to Cryptography/WGU C839 - Introduction to Cryptography| 190 QUESTIONS| WITH COMPLETE …




WGU Course C839 - Intro to
Cryptography/WGU C839 - Introduction to
Cryptography| 190 QUESTIONS| WITH
COMPLETE SOLUTIONS./get it 100% accurate!!


Terms in this set (293)


What type of encryption D
uses different keys to
encrypt and decrypt the
message?


A Symmetric
B Private key
C Secure
D Asymmetric

The most widely used A
asymmetric encryption
algorithm is what?


A RSA
B Vigenere
C DES
D Caesar Cipher

Original, unencrypted B
information is referred to
as ____.


A text
B plaintext
C cleantext
D ciphertext


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,10/22/24, 7:26 AM WGU Course C839 - Intro to Cryptography/WGU C839 - Introduction to Cryptography| 190 QUESTIONS| WITH COMPLETE …

Which of the following is D
NOT an asymmetric
system?


A PGP
B RSA
C SSL
D DES

In order for User A to C
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
D User B's private key

The greatest weakness B
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




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, 10/22/24, 7:26 AM WGU Course C839 - Intro to Cryptography/WGU C839 - Introduction to Cryptography| 190 QUESTIONS| WITH COMPLETE …

Which of the following is D
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

A _____ is a function that B
takes a variable-size input
m and returns a fixed-
size string.


A Symmetric cipher
B Hash
C Asymmetric cipher
D Feistel

Which of the following is D
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




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