C839/D334 WGU INTRO TO CRYPTOGRAPHY OA EXAM 2026
/ WGU C839/D334 INTRO TO CRYPTOGRAPHY OBJECTIVE
ASSESSMENT (OA) ACTUAL EXAM 2026 COMPLETE
ACCURATE EXAM APPROVED QUESTIONS WITH WELL
ELABORATED ANSWERS (VERIFIED ANSWERS) NEWEST
UPDATED VERSIONS |GUARANTEED SUCCESS
Which two components involved in performing encryption are known to
the party that will perform decryption before symmetric encryption is
applied? Choose 2 answers.
Answer- Cryptographic algorithm & Cryptographic key
Employee A created a secret key and wants to send it to Employee B
without any coworkers being able to decrypt the message. Which key
needs to encrypt the message?
Answer- Employee B's public key
Which type of cipher is Cha-cha?
Answer- stream
What is the key size for RC4 with WEP?
Answer- 40 bits
,Which symmetric encryption technique uses a 56-bit key size and a 64-
bit block size?
Answer- DES
Which wireless security standard uses a 128-bit RC4 stream cipher for
encrypted communications?
Answer- WPA
What defines a prime number?
Answer- Only has factors of itself and 1
What is 29 mod 12?
Answer- 5
What happens to the hash of a file if it is rehashed after the first
character of the file is changed?
Answer- The entire hash is different.
, What is the length (in bits) of an MD5 hash output?
Answer- 128
How many characters are used in an LM hash password?
Answer- 14
A Windows credential is identified as follows: user:
FDA95FBABC199D22LLD3B435B51876KK:199DDFD4EF0E9CD9K
MNC6FE771IL124B8: What is used to store this password?
Answer- NTLM
What is a rainbow table?
Answer- Precompiled list of hash values
Which mode encrypts each group with the same key, leaving each group
independent of the others?
Answer- ECB
/ WGU C839/D334 INTRO TO CRYPTOGRAPHY OBJECTIVE
ASSESSMENT (OA) ACTUAL EXAM 2026 COMPLETE
ACCURATE EXAM APPROVED QUESTIONS WITH WELL
ELABORATED ANSWERS (VERIFIED ANSWERS) NEWEST
UPDATED VERSIONS |GUARANTEED SUCCESS
Which two components involved in performing encryption are known to
the party that will perform decryption before symmetric encryption is
applied? Choose 2 answers.
Answer- Cryptographic algorithm & Cryptographic key
Employee A created a secret key and wants to send it to Employee B
without any coworkers being able to decrypt the message. Which key
needs to encrypt the message?
Answer- Employee B's public key
Which type of cipher is Cha-cha?
Answer- stream
What is the key size for RC4 with WEP?
Answer- 40 bits
,Which symmetric encryption technique uses a 56-bit key size and a 64-
bit block size?
Answer- DES
Which wireless security standard uses a 128-bit RC4 stream cipher for
encrypted communications?
Answer- WPA
What defines a prime number?
Answer- Only has factors of itself and 1
What is 29 mod 12?
Answer- 5
What happens to the hash of a file if it is rehashed after the first
character of the file is changed?
Answer- The entire hash is different.
, What is the length (in bits) of an MD5 hash output?
Answer- 128
How many characters are used in an LM hash password?
Answer- 14
A Windows credential is identified as follows: user:
FDA95FBABC199D22LLD3B435B51876KK:199DDFD4EF0E9CD9K
MNC6FE771IL124B8: What is used to store this password?
Answer- NTLM
What is a rainbow table?
Answer- Precompiled list of hash values
Which mode encrypts each group with the same key, leaving each group
independent of the others?
Answer- ECB
