Western Governors University
(WGU)
WGU DRO2 Introduction to Cryptography C839
WGU Introduction to Cryptography C839v5 (Exam
Code DRO2) Assessment Exams
Course Title and Number: DRO2 WGU D334 Assessment
Exam
Exam Title: Certification and Assessment
Exam Date: Exam 2025- 2026
Instructor: ____ [Insert Instructor’s Name] _______
Student Name: ___ [Insert Student’s Name] _____
Student ID: ____ [Insert Student ID] _____________
Examination
Time: - ____ Hours: ___ Minutes
Instructions:
1. Read each question carefully.
2. Answer all questions.
3. Use the provided answer sheet to mark your responses.
4. Ensure all answers are final before submitting the exam.
5. Please answer each question below and click Submit when you
have completed the Exam.
6. This test has a time limit, The test will save and submit
automatically when the time expires
7. This is Exam which will assess your knowledge on the course
Learning Resources.
Good Luck……...!
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C839 WGU Exam Code DRO2 Intro to Cryptography Exam Review
Questions and Answers | 100% Pass Guaranteed | Graded A+ |
2025- 2026
C839 and D334 Intro to Cryptography
WGU Introduction to Cryptography C839v5 (Exam Code DRO2)
and D334 (Exam Code HNO1)
WGU Western Governors University
Read All Instructions Carefully and Answer All the
Questions Correctly Good Luck: -
1. DES: 64 bit block, 56 bit key, 16 rounds, Fiestel
2. 3DES: 64 bit block, 168 bit key, 48 rounds, Fiestel
3. AES: 128 bit block, 128, 192, 256 bit key, 10, 12, 14
rounds, Substitution-permu- tation matrix
4. Blowfish: 64 bit block, 32-448 bit key, 16 rounds, Fiestel
5. Twofish: 128 bit block, 1-256 bit key, 16 rounds, Fiestel
6. Serpent: 128 bit block, 128, 192, 256 bit key, 32 rounds,
Fiestel
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7. CAST: 64 bit block, 128, 256 bit key, 12, 16 rounds, Fiestel
8. Skipjack/Clipper Chip: 64 bit block, 80 bit key, 32
rounds, Unbalanced Fiestel
9. IDEA: 64 bit block, 128 bit key, 8 rounds, Lai-Massey
Scheme
10.TEA: 64 bit block, 128 bit key, 64 rounds, Fiestel
11.RC4: Stream, 1-256 bit key, Key Stream X-OR
12.RC5: 32, 64, 128 bit block, 2048 bit key, variable rounds
13.RC6: 32, 64, 128 bit block, 2048 bit key, variable
rounds, Speed improved RC4, AES competition
14.SHARK: 64 bit block, 128 bit key, 6 rounds, Substitution-
permutation matrix
15.RSA: Leverages prime number characteristics, 1024-
4096 bit variable key size, 1 round. Most Popular / provides
authentication and encryption / authentication through
digital signatures.
16.ECC: Leverages discrete logarithm characteristics.
Provides authentication and encryption/ faster than RSA /
Uses less resources than RSA (Used in smaller devices like
smartphones) / authentication through digital signatures.
17.El Gamal: Used in recent versions of PGP. Extension
of Diffie Hellman (DH)/ Similar level of protection as RSA
and ECC/ usually the slowest.
18.DSA: A Federal Information Processing Standard for
digital signatures (FIPS 186)
19.Diffie Hellman (DH): No Authentication /vulnerable to
Man in the middle attacks
20.CBC (Cypher Block Chaining):
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(WGU)
WGU DRO2 Introduction to Cryptography C839
WGU Introduction to Cryptography C839v5 (Exam
Code DRO2) Assessment Exams
Course Title and Number: DRO2 WGU D334 Assessment
Exam
Exam Title: Certification and Assessment
Exam Date: Exam 2025- 2026
Instructor: ____ [Insert Instructor’s Name] _______
Student Name: ___ [Insert Student’s Name] _____
Student ID: ____ [Insert Student ID] _____________
Examination
Time: - ____ Hours: ___ Minutes
Instructions:
1. Read each question carefully.
2. Answer all questions.
3. Use the provided answer sheet to mark your responses.
4. Ensure all answers are final before submitting the exam.
5. Please answer each question below and click Submit when you
have completed the Exam.
6. This test has a time limit, The test will save and submit
automatically when the time expires
7. This is Exam which will assess your knowledge on the course
Learning Resources.
Good Luck……...!
, I can Help BYPASS PROCTORED EXAM 📑
📱Hit Me UP__ Inbox Open 24/7 – 365 …...!!!!
💬 Chat with us here: 📧
Click Here To <<ORDER NOW >> Follow Link
https://yourassignmenthandlers.kit.com/93b2309b47
!!!.ORDER NOW.!!! << TO GET INSTANT EXPERT HELP >> !!!.ORDER
NOW.!!!
C839 WGU Exam Code DRO2 Intro to Cryptography Exam Review
Questions and Answers | 100% Pass Guaranteed | Graded A+ |
2025- 2026
C839 and D334 Intro to Cryptography
WGU Introduction to Cryptography C839v5 (Exam Code DRO2)
and D334 (Exam Code HNO1)
WGU Western Governors University
Read All Instructions Carefully and Answer All the
Questions Correctly Good Luck: -
1. DES: 64 bit block, 56 bit key, 16 rounds, Fiestel
2. 3DES: 64 bit block, 168 bit key, 48 rounds, Fiestel
3. AES: 128 bit block, 128, 192, 256 bit key, 10, 12, 14
rounds, Substitution-permu- tation matrix
4. Blowfish: 64 bit block, 32-448 bit key, 16 rounds, Fiestel
5. Twofish: 128 bit block, 1-256 bit key, 16 rounds, Fiestel
6. Serpent: 128 bit block, 128, 192, 256 bit key, 32 rounds,
Fiestel
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100% NO A I or Plagiarism Guaranteed🎯
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, I can Help BYPASS PROCTORED EXAM 📑
📱Hit Me UP__ Inbox Open 24/7 – 365 …...!!!!
💬 Chat with us here: 📧
7. CAST: 64 bit block, 128, 256 bit key, 12, 16 rounds, Fiestel
8. Skipjack/Clipper Chip: 64 bit block, 80 bit key, 32
rounds, Unbalanced Fiestel
9. IDEA: 64 bit block, 128 bit key, 8 rounds, Lai-Massey
Scheme
10.TEA: 64 bit block, 128 bit key, 64 rounds, Fiestel
11.RC4: Stream, 1-256 bit key, Key Stream X-OR
12.RC5: 32, 64, 128 bit block, 2048 bit key, variable rounds
13.RC6: 32, 64, 128 bit block, 2048 bit key, variable
rounds, Speed improved RC4, AES competition
14.SHARK: 64 bit block, 128 bit key, 6 rounds, Substitution-
permutation matrix
15.RSA: Leverages prime number characteristics, 1024-
4096 bit variable key size, 1 round. Most Popular / provides
authentication and encryption / authentication through
digital signatures.
16.ECC: Leverages discrete logarithm characteristics.
Provides authentication and encryption/ faster than RSA /
Uses less resources than RSA (Used in smaller devices like
smartphones) / authentication through digital signatures.
17.El Gamal: Used in recent versions of PGP. Extension
of Diffie Hellman (DH)/ Similar level of protection as RSA
and ECC/ usually the slowest.
18.DSA: A Federal Information Processing Standard for
digital signatures (FIPS 186)
19.Diffie Hellman (DH): No Authentication /vulnerable to
Man in the middle attacks
20.CBC (Cypher Block Chaining):
Need Writing 📝Help? We've Got You Covered! ✍️
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💬 Chat with us here: 📧
