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WGU Introduction-to-Cryptography Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Asymmetric Cryptography | - RSA Algorithm - Public Key Infrastructure (PKI) - Elliptic Curve Cryptography (ECC) - Diffie-Hellman Key Exchange |
| Symmetric Cryptography | - Stream Ciphers - Initialization Vectors (IV) - Key Management - Block Ciphers (AES, DES, 3DES) |
| Cryptography Fundamentals | - Symmetric vs Asymmetric Encryption - Cryptographic Terminology - History and Evolution of Cryptography |
| Applied Cryptography | - VPN Security - Cryptographic Best Practices - SSL/TLS Protocols - PGP and Email Encryption |
| Hashing and Digital Signatures | - Digital Signature Standards - Hash Functions (MD5, SHA-1, SHA-256) - Message Authentication Codes (MAC) |
| Cryptanalysis and Attacks | - Brute Force and Dictionary Attacks - Social Engineering Prevention - Common Attack Vectors |
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) DES
B) AES
C) 3DES
D) IDEA
2. (Which type of encryption is Advanced Encryption Standard (AES) considered to be?)
A) Symmetric encryption
B) Asymmetric encryption
C) Quantum encryption
D) Hybrid encryption
3. (What is the purpose of code-signing in current systems?)
A) To generate random numbers for encryption
B) To authenticate users during data transmission
C) To verify the integrity and authenticity of software
D) To compress data for efficient storage
4. (Quantum computing poses a threat to which cryptographic algorithm?)
A) Secure Hash Algorithm 256 (SHA-256)
B) Advanced Encryption Standard (AES)
C) Rivest-Shamir-Adleman (RSA)
D) Electronic Codebook (ECB)
5. (What describes how Counter (CTR) mode encryption functions?)
A) Encrypts each block with the same key, where each block is independent of the others
B) Converts the block cipher into a stream cipher, then uses a counter value and a nonce to encrypt the data
C) Uses a self-synchronizing stream cipher where the IV is encrypted and XORed with the data stream one bit at a time
D) Uses an IV to encrypt the first block, then uses the result of the encryption to encrypt the next block
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: C | Question # 4 Answer: C | Question # 5 Answer: B |

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