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WGU Introduction-to-Cryptography Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Applied Cryptography | - VPN Security - PGP and Email Encryption - SSL/TLS Protocols - Cryptographic Best Practices |
| Asymmetric Cryptography | - Elliptic Curve Cryptography (ECC) - RSA Algorithm - Diffie-Hellman Key Exchange - Public Key Infrastructure (PKI) |
| Hashing and Digital Signatures | - Hash Functions (MD5, SHA-1, SHA-256) - Digital Signature Standards - Message Authentication Codes (MAC) |
| Cryptanalysis and Attacks | - Social Engineering Prevention - Brute Force and Dictionary Attacks - Common Attack Vectors |
| Symmetric Cryptography | - Key Management - Initialization Vectors (IV) - Block Ciphers (AES, DES, 3DES) - Stream Ciphers |
| Cryptography Fundamentals | - History and Evolution of Cryptography - Symmetric vs Asymmetric Encryption - Cryptographic Terminology |
WGU Introduction to Cryptography HNO1 Sample Questions:
Question 1
(Which cryptographic technique is used to ensure data integrity?)
A. Steganography
B. Authentication
C. Digital signatures
D. Non-repudiation
Question 2
(Employee A needs to send Employee B a symmetric key for confidential communication. Which key is used to encrypt the symmetric key?)
A. Employee A's private key
B. Employee B's private key
C. Employee A's public key
D. Employee B's public key
Question 3
(Which additional input element can be used to implement integrity in combination with symmetric ciphers?)
A. Hash function
B. Nonce value
C. Initialization vector
D. Encoding algorithm
Question 4
(What is an attribute of RC4 when used with WEP?)
A. 256-bit key
B. 512-bit key
C. 40-bit key
D. 128-bit key
Question 5
(What is a characteristic of Cipher Block Chaining (CBC) mode in cryptography?)
A. It generates a continuous stream of key material.
B. It encrypts each block of plaintext dependent on the previous block.
C. It requires a different key for each encryption operation.
D. It operates on 32-bit blocks.
Solutions:
| Question 1 Answer: C | Question 2 Answer: D | Question 3 Answer: A | Question 4 Answer: C | Question 5 Answer: B |







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