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WGU Introduction-to-Cryptography : WGU Introduction to Cryptography HNO1

Introduction-to-Cryptography

Exam Code: Introduction-to-Cryptography

Exam Name: WGU Introduction to Cryptography HNO1

Updated: Sep 20, 2026

Q & A: 95 Questions and Answers

Introduction-to-Cryptography Free Demo download

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WGU Introduction-to-Cryptography Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Symmetric Encryption25%- Algorithms: AES, DES, 3DES, Blowfish
- Key generation, distribution, and management challenges
- Block vs stream ciphers, modes of operation (ECB, CBC, OFB, CFB)
- Principles and operation
Topic 2: Key Management & Secure Protocols10%- Cryptographic attacks: brute force, birthday, man-in-the-middle
- Key generation, storage, exchange, and destruction
- Secure protocols: TLS/SSL, IPsec, SSH, PGP
Topic 3: Asymmetric Encryption & Public Key Infrastructure25%- Digital signatures: purpose and process
- Principles: public/private key pairs
- Algorithms: RSA, ECC, Diffie-Hellman
- PKI components: certificates, CAs, trust models
- Certificate lifecycle: creation, validation, revocation
Topic 4: Cryptography Fundamentals20%- Core goals: confidentiality, integrity, authentication, non-repudiation
- Historical evolution and modern applications
- Basic terminology: plaintext, ciphertext, algorithm, key
Topic 5: Implementation & Best Practices5%- Selecting appropriate algorithms and key sizes
- Common mistakes and vulnerabilities
- Standards and compliance
Topic 6: Hash Functions & Data Integrity15%- Algorithms: SHA-1, SHA-256, SHA-3, MD5
- HMAC construction and application
- Properties: collision resistance, one-way function
- Uses: integrity checks, password storage, message authentication

WGU Introduction to Cryptography HNO1 Sample Questions:

Question #1
(Which symmetric encryption technique uses a 256-bit key size and a 128-bit block size?)

A. AES
B. DES
C. IDEA
D. 3DES


Question #2
(Which component is used to verify the integrity of a message?)

A. AES
B. IV
C. TKIP
D. HMAC


Question #3
(Two people want to communicate through secure email. The person creating the email wants to ensure only their friend can decrypt the email. Which key should the person creating the email use to encrypt the message?)

A. Sender's private key
B. Recipient's private key
C. Recipient's public key
D. Sender's public key


Question #4
(Which is a primary reason for ethical concerns about encryption?)

A. It only benefits large corporations.
B. It provides faster data transmission.
C. It complicates government access to potentially crucial information.
D. It reduces data storage requirements.


Question #5
(What is a characteristic of a hash function?)

A. Public-private key pair use
B. Reversible
C. Data encryption
D. One-way


Solutions:

Question #1
Correct Answer: A
Question #2
Correct Answer: D
Question #3
Correct Answer: C
Question #4
Correct Answer: C
Question #5
Correct Answer: D

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