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WGU Introduction-to-Cryptography Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Implementation & Best Practices | 5% | - Common mistakes and vulnerabilities - Selecting appropriate algorithms and key sizes - Standards and compliance |
| Topic 2: Cryptography Fundamentals | 20% | - Historical evolution and modern applications - Core goals: confidentiality, integrity, authentication, non-repudiation - Basic terminology: plaintext, ciphertext, algorithm, key |
| Topic 3: Asymmetric Encryption & Public Key Infrastructure | 25% | - Principles: public/private key pairs - Algorithms: RSA, ECC, Diffie-Hellman - Certificate lifecycle: creation, validation, revocation - Digital signatures: purpose and process - PKI components: certificates, CAs, trust models |
| 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: 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 6: Hash Functions & Data Integrity | 15% | - Properties: collision resistance, one-way function - Uses: integrity checks, password storage, message authentication - HMAC construction and application - Algorithms: SHA-1, SHA-256, SHA-3, MD5 |
WGU Introduction to Cryptography HNO1 Sample Questions:
Question 1
(A security engineer is implementing device authentication as a form of two-factor authentication in a Public Key Infrastructure (PKI) environment. What should be used as a second form of authentication?)
A. Symmetric encryption
B. Asymmetric encryption
C. Digital signature
D. Digital certificate
Question 2
(What is lattice-based cryptography?)
A. A type of encryption algorithm using modular arithmetic
B. A cryptographic scheme based on geometric lattices
C. A technique for encoding messages using lattice points
D. A blockchain option from clone
Question 3
(What is an attribute of RC4 when used with WEP?)
A. 256-bit key
B. 40-bit key
C. 128-bit key
D. 512-bit key
Question 4
(Which cryptographic operation has the fastest decryption process?)
A. Hashing
B. Padding
C. Symmetric
D. Asymmetric
Question 5
(An organization wants to digitally sign its software to guarantee the integrity of its source code. Which key should the customer use to decrypt the digest of the source code?)
A. Customer's private key
B. Organization's public key
C. Customer's public key
D. Organization's private key
Solutions:
| Question 1 Answer: D | Question 2 Answer: B | Question 3 Answer: B | Question 4 Answer: C | Question 5 Answer: B |
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