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WGU Introduction-to-Cryptography Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Key Management & Secure Protocols | 10% | - Secure protocols: TLS/SSL, IPsec, SSH, PGP - Cryptographic attacks: brute force, birthday, man-in-the-middle - Key generation, storage, exchange, and destruction |
| Topic 2: Implementation & Best Practices | 5% | - Selecting appropriate algorithms and key sizes - Common mistakes and vulnerabilities - Standards and compliance |
| Topic 3: Symmetric Encryption | 25% | - Block vs stream ciphers, modes of operation (ECB, CBC, OFB, CFB) - Algorithms: AES, DES, 3DES, Blowfish - Principles and operation - Key generation, distribution, and management challenges |
| Topic 4: Hash Functions & Data Integrity | 15% | - Properties: collision resistance, one-way function - HMAC construction and application - Algorithms: SHA-1, SHA-256, SHA-3, MD5 - Uses: integrity checks, password storage, message authentication |
| Topic 5: Asymmetric Encryption & Public Key Infrastructure | 25% | - Principles: public/private key pairs - Algorithms: RSA, ECC, Diffie-Hellman - PKI components: certificates, CAs, trust models - Certificate lifecycle: creation, validation, revocation - Digital signatures: purpose and process |
| Topic 6: Cryptography Fundamentals | 20% | - Basic terminology: plaintext, ciphertext, algorithm, key - Core goals: confidentiality, integrity, authentication, non-repudiation - Historical evolution and modern applications |
WGU Introduction to Cryptography HNO1 Sample Questions:
1. (Which encryption algorithm encrypts with one key, decrypts with another key, and then encrypts with the first key?)
A) IDEA
B) AES
C) 3DES
D) DES
2. (Which cryptographic technique is used to ensure data integrity?)
A) Steganography
B) Authentication
C) Non-repudiation
D) Digital signatures
3. (Which of the following is an example of a software encryption solution for disk storage?)
A) Hardware Security Module (HSM)
B) Virtual Private Network (VPN)
C) BitLocker and FileVault
D) USB encryption hardware
4. (How is Public Key Infrastructure (PKI) commonly utilized in web browsers?)
A) To compress encrypted messages for storage
B) To authenticate users during data transmission
C) To encrypt data at rest
D) To securely manage digital certificates and keys
5. (What is a focus of the ISO/IEC 27001 standard?)
A) Enforcement of criminal penalties for data breaches
B) Development of new encryption algorithms
C) Risk management and continuous improvement of information security
D) Exclusively addressing network security
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: D | Question # 5 Answer: C |
