WGU Introduction-to-Cryptography Actual Free Exam Questions & Community Discussion

Exam Code/Number: Introduction-to-Cryptography
Exam Name/Title: WGU Introduction to Cryptography HNO1
Certification Provider: WGU
Corresponding Certification: Courses and Certificates

Exam Questions: 95
Updated On: Aug 18, 2026

Question #31

(What is an attribute of RC4 when used with WEP?)

A. 40-bit key

B. 256-bit key

C. 512-bit key

D. 128-bit key

Discussion 0

Correct Answer: A Vote an answer

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Question #32

(What is the relationship between Secure Sockets Layer (SSL) and Transport Layer Security (TLS)?)

A. SSL and TLS are identical in function and security.

B. SSL is the replacement of TLS.

C. TLS replaced SSL to provide improved security.

D. SSL is only used in email encryption.

Discussion 0

Correct Answer: C Vote an answer

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Question #33

(What makes the RC4 cipher unique compared to RC5 and RC6?)

A. Symmetric

B. Stream

C. Block

D. Asymmetric

Discussion 0

Correct Answer: B Vote an answer

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Question #34

(What is modular arithmetic in cryptography?)

A. The art of deciphering messages using prime numbers

B. The study of secret codes

C. The process of encoding messages using large integers

D. A method of encrypting messages using modular operations

Discussion 0

Correct Answer: D Vote an answer

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Question #35

(Which symmetric encryption technique uses a 256-bit key size and a 128-bit block size?)

A. DES

B. AES

C. IDEA

D. 3DES

Discussion 0

Correct Answer: B Vote an answer

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Question #36

(What is the significance of the Nobody But Us (NOBUS) principle in cryptography?)

A. It represents a widely used encryption standard.

B. It indicates that a vulnerability is so difficult to exploit that only the entity that created it can exploit it.

C. It refers to a cryptographic key that can be accessed by anyone.

D. It denotes a cryptographic algorithm with known weaknesses.

Discussion 0

Correct Answer: B Vote an answer

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Question #37

(Which of the following is an example of a software encryption solution for disk storage?)

A. BitLocker and FileVault

B. USB encryption hardware

C. Virtual Private Network (VPN)

D. Hardware Security Module (HSM)

Discussion 0

Correct Answer: A Vote an answer

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Question #38

(Which encryption mode is known for supporting parallel processing?)

A. Cipher Block Chaining (CBC)

B. Cipher Feedback (CFB)

C. Electronic Codebook (ECB)

D. Output Feedback (OFB)

Discussion 0

Correct Answer: C Vote an answer

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Question #39

(Which attack maps hashed values to their original input data?)

A. Brute-force

B. Rainbow table

C. Birthday

D. Dictionary

Discussion 0

Correct Answer: B Vote an answer

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Question #40

(What describes a true random number generator?)

A. Fast and deterministic, and the same input produces the same results

B. Integer increased by one to match requests and responses

C. Slow and nondeterministic, and the same input produces different results

D. Unique integer determined through factorization of integers

Discussion 0

Correct Answer: C Vote an answer

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