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Updated: Aug 07, 2026
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| Certification Vendor: | Western Governors University (WGU) |
| Exam Name: | Introduction to Cryptography |
| Exam Number: | HNO1 (also referenced as D334) |
| Real Exam Qty: | 60–65 |
| Exam Format: | Multiple choice, Scenario-based questions, Matching items |
| Exam Price: | Included in program tuition; no separate fee |
| Passing Score: | Competency-based assessment (no fixed numerical score; meets or exceeds requirements) |
| Available Languages: | English |
| Certificate Validity Period: | Valid within program completion period; no expiration after completion |
| Exam Duration: | 120 minutes |
| Related Certifications: | Bachelor of Science in Cybersecurity and Information Assurance Bachelor of Science in Information Technology |
| Recommended Training: | WGU Course Materials & Learning Resources Cryptography Basics (Coursera / edX) |
| Exam Registration: | WGU Student Portal |
| Sample Questions: | WGU Introduction-to-Cryptography Sample Questions |
| Exam Way: | Online proctored assessment via ProctorU; taken remotely |
| Pre Condition: | Enrollment in WGU IT or Cybersecurity degree program; no prior exam required |
| Official Syllabus URL: | https://www.wgu.edu/online-it-degrees/course/introduction-to-cryptography-d334.html |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Asymmetric Encryption & Public Key Infrastructure | 25% | - Algorithms: RSA, ECC, Diffie-Hellman - Certificate lifecycle: creation, validation, revocation - Digital signatures: purpose and process - Principles: public/private key pairs - PKI components: certificates, CAs, trust models |
| Topic 2: Key Management & Secure Protocols | 10% | - Cryptographic attacks: brute force, birthday, man-in-the-middle - Secure protocols: TLS/SSL, IPsec, SSH, PGP - Key generation, storage, exchange, and destruction |
| Topic 3: Cryptography Fundamentals | 20% | - Basic terminology: plaintext, ciphertext, algorithm, key - Core goals: confidentiality, integrity, authentication, non-repudiation - Historical evolution and modern applications |
| Topic 4: Symmetric Encryption | 25% | - Algorithms: AES, DES, 3DES, Blowfish - Block vs stream ciphers, modes of operation (ECB, CBC, OFB, CFB) - Principles and operation - Key generation, distribution, and management challenges |
| Topic 5: Hash Functions & Data Integrity | 15% | - Uses: integrity checks, password storage, message authentication - Algorithms: SHA-1, SHA-256, SHA-3, MD5 - HMAC construction and application - Properties: collision resistance, one-way function |
| Topic 6: Implementation & Best Practices | 5% | - Common mistakes and vulnerabilities - Selecting appropriate algorithms and key sizes - Standards and compliance |
1. (Which is a primary reason for ethical concerns about encryption?)
A) It reduces data storage requirements.
B) It only benefits large corporations.
C) It provides faster data transmission.
D) It complicates government access to potentially crucial information.
2. (How often are transactions added to a blockchain?)
A) Approximately every 10 minutes
B) Approximately every 1 hour
C) Approximately every 24 hours
D) Approximately every 30 minutes
3. (What is used to randomize the initial value when generating Initialization Vectors (IVs)?)
A) Key
B) Nonce
C) Plaintext
D) Algorithm
4. (How can auditing enhance an organization ' s cryptographic practices?)
A) It eliminates the need for regular policy updates.
B) It ensures all employees are trained in cryptography.
C) It identifies weaknesses in current practices.
D) It guarantees that no security incidents will occur.
5. (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 public key
B) Recipient's public key
C) Recipient's private key
D) Sender's private key
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: B |
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