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WGU Introduction-to-Cryptography Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cryptography Fundamentals | 20% | - Basic terminology: plaintext, ciphertext, algorithm, key - Historical evolution and modern applications - Core goals: confidentiality, integrity, authentication, non-repudiation |
| Topic 2: 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 3: Key Management & Secure Protocols | 10% | - Key generation, storage, exchange, and destruction - Cryptographic attacks: brute force, birthday, man-in-the-middle - Secure protocols: TLS/SSL, IPsec, SSH, PGP |
| Topic 4: Symmetric Encryption | 25% | - Key generation, distribution, and management challenges - Algorithms: AES, DES, 3DES, Blowfish - Block vs stream ciphers, modes of operation (ECB, CBC, OFB, CFB) - Principles and operation |
| Topic 5: Asymmetric Encryption & Public Key Infrastructure | 25% | - Digital signatures: purpose and process - PKI components: certificates, CAs, trust models - Certificate lifecycle: creation, validation, revocation - Algorithms: RSA, ECC, Diffie-Hellman - Principles: public/private key pairs |
| Topic 6: Implementation & Best Practices | 5% | - Standards and compliance - Selecting appropriate algorithms and key sizes - Common mistakes and vulnerabilities |
WGU Introduction to Cryptography HNO1 Sample Questions:
Question #1
(What is a component of a one-time password (OTP) that is needed to guess future iterations of passwords?)
A. Initialization vector
B. Encryption algorithm
C. Function
D. Seed
Question #2
(Which symmetric encryption technique uses a 112-bit key size and a 64-bit block size?)
A. 3DES
B. IDEA
C. AES
D. DES
Question #3
(What is a characteristic of a hash function?)
A. Data encryption
B. Public-private key pair use
C. One-way
D. Reversible
Question #4
(Which cipher uses shifting letters of the alphabet for encryption?)
A. Vigenere
B. SHA-1
C. Caesar
D. Bifid
Question #5
(Which encryption algorithm encrypts with one key, decrypts with another key, and then encrypts with the first key?)
A. 3DES
B. IDEA
C. AES
D. DES
Solutions:
| Question #1 Correct Answer: D | Question #2 Correct Answer: A | Question #3 Correct Answer: C | Question #4 Correct Answer: C | Question #5 Correct Answer: A |
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