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WGU Introduction-to-Cryptography Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Asymmetric Encryption & Public Key Infrastructure | 25% | - Digital signatures: purpose and process - Principles: public/private key pairs - PKI components: certificates, CAs, trust models - Certificate lifecycle: creation, validation, revocation - Algorithms: RSA, ECC, Diffie-Hellman |
| Key Management & Secure Protocols | 10% | - Cryptographic attacks: brute force, birthday, man-in-the-middle - Key generation, storage, exchange, and destruction - Secure protocols: TLS/SSL, IPsec, SSH, PGP |
| Hash Functions & Data Integrity | 15% | - HMAC construction and application - Uses: integrity checks, password storage, message authentication - Properties: collision resistance, one-way function - Algorithms: SHA-1, SHA-256, SHA-3, MD5 |
| Implementation & Best Practices | 5% | - Selecting appropriate algorithms and key sizes - Standards and compliance - Common mistakes and vulnerabilities |
| Cryptography Fundamentals | 20% | - Basic terminology: plaintext, ciphertext, algorithm, key - Core goals: confidentiality, integrity, authentication, non-repudiation - Historical evolution and modern applications |
| Symmetric Encryption | 25% | - Key generation, distribution, and management challenges - Block vs stream ciphers, modes of operation (ECB, CBC, OFB, CFB) - Algorithms: AES, DES, 3DES, Blowfish - Principles and operation |
WGU Introduction to Cryptography HNO1 Sample Questions:
1. (What is lattice-based cryptography?)
A) A technique for encoding messages using lattice points
B) A blockchain option from clone
C) A cryptographic scheme based on geometric lattices
D) A type of encryption algorithm using modular arithmetic
2. (What is a focus of the ISO/IEC 27001 standard?)
A) Exclusively addressing network security
B) Enforcement of criminal penalties for data breaches
C) Development of new encryption algorithms
D) Risk management and continuous improvement of information security
3. (Which default port must be allowed by firewalls for the key exchange of the IPsec handshaking process to be successful?)
A) TCP 500
B) TCP 443
C) UDP 443
D) UDP 500
4. (Which mechanism can be applied to protect the integrity of plaintext when using AES?)
A) RSA
B) RC4
C) Kerberos key sharing
D) Message Authentication Code (MAC)
5. (Which operation can be performed on a certificate during the "Issued" stage?)
A) Distribution
B) Creation
C) Key recovery
D) Key archiving
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: A |

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