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 #11

(What is an alternative to using a Certificate Revocation List (CRL) with certificates?)

A. Policy Certificate Authority (CA)

B. Root Certificate Authority (CA)

C. Online Certificate Status Protocol (OCSP)

D. Privacy Enhanced Mail (PEM)

Discussion 0

Correct Answer: C Vote an answer

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Question #12

(Which encryption process sends a list of cipher suites that are supported for encrypted communications?)

A. ServerHello

B. Forward secrecy

C. Integrity check

D. ClientHello

Discussion 0

Correct Answer: D Vote an answer

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Question #13

(What are the roles of keys when using digital signatures?)

A. A private key is used for signing, and a public key is used for signature validation.

B. A public key is used for signing, and a private key is used for signature validation.

C. A private key is used for both signing and signature validation.

D. A public key is used for both signing and signature validation.

Discussion 0

Correct Answer: A Vote an answer

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Question #14

(What is used to randomize the initial value when generating Initialization Vectors (IVs)?)

A. Key

B. Nonce

C. Plaintext

D. Algorithm

Discussion 0

Correct Answer: B Vote an answer

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Question #15

(Which lesson can be learned from organizations that experience breaches due to poor cryptographic practices?)

A. Comprehensive risk assessments are vital for identifying potential vulnerabilities.

B. Regular audits and updates are unnecessary.

C. Security measures should be secondary to business objectives.

D. Employee training is not relevant for preventing breaches.

Discussion 0

Correct Answer: A Vote an answer

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Question #16

(Which mode of encryption converts data into a stream encryption and then uses a counter value and a nonce to encrypt the data?)

A. Counter (CTR)

B. Cipher Block Chaining (CBC)

C. Cipher Feedback (CFB)

D. Electronic Codebook (ECB)

Discussion 0

Correct Answer: A Vote an answer

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Question #17

(An administrator has configured a Virtual Private Network (VPN) connection utilizing IPsec transport mode with Encapsulating Security Payload (ESP) between a server in the corporate office and a client computer in the remote office. In which situation can the packet content be inspected?)

A. Only in the headquarters' network while data is in transit

B. In the headquarters' and offsite location's networks after the data has been sent

C. Only in the offsite location's network while data is in transit

D. On devices at headquarters and offsite before being sent and after being received

Discussion 0

Correct Answer: D Vote an answer

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Question #18

(Why is lightweight cryptography important in modern information security?)

A. To address the security needs of Internet of Things (IoT) devices and mobile applications

B. To ensure secure communication on high-speed networks

C. To complicate data protection measures

D. To limit the use of encryption tools in organizations

Discussion 0

Correct Answer: A Vote an answer

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Question #19

(Which encryption algorithm uses an 80-bit key and operates on 64-bit data blocks?)

A. Blowfish

B. Camellia

C. Twofish

D. Skipjack

Discussion 0

Correct Answer: D Vote an answer

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Question #20

(How is Public Key Infrastructure (PKI) commonly utilized in web browsers?)

A. To encrypt data at rest

B. To authenticate users during data transmission

C. To compress encrypted messages for storage

D. To securely manage digital certificates and keys

Discussion 0

Correct Answer: D Vote an answer

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