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WGU Introduction-to-Cryptography Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Key Management and PKI | - Certificates, certificate authorities, and PKI structure - Key exchange and lifecycle management |
| Topic 2: Foundations of Cryptography | - Core concepts of confidentiality, integrity, authentication, non-repudiation - Historical and modern cryptography principles |
| Topic 3: Symmetric Encryption | - AES and legacy algorithms (e.g., DES conceptually) - Block and stream ciphers |
| Topic 4: Asymmetric Encryption | - Public key cryptography principles - RSA and ECC fundamentals |
| Topic 5: Hash Functions and Message Authentication | - MAC and HMAC mechanisms - Cryptographic hash functions (e.g., SHA family concepts) |
| Topic 6: Cryptographic Protocols and Applications | - TLS/SSL conceptual overview - Secure communication design principles |
WGU Introduction to Cryptography HNO1 Sample Questions:
Question 1
(What is a characteristic of a hash function?)
A. One-way
B. Public-private key pair use
C. Reversible
D. Data encryption
Question 2
(Which feature is characteristic of asymmetric encryption?)
A. Uses one key for encryption and decryption
B. Uses both a public and private key
C. Requires multiple encryption rounds
D. Is irreversible
Question 3
(Which attack may take the longest amount of time to achieve success?)
A. Dictionary
B. Rainbow table
C. Brute-force
D. Birthday
Question 4
(How does Electronic Codebook (ECB) mode encryption function?)
A. Uses a self-synchronizing stream on the blocks, where the IV is encrypted and XORed with the data stream
B. Uses an IV to encrypt the first block, then uses the result to encrypt the next block
C. Encrypts each block with the same key, where each block is independent of the others
D. Converts from block to stream, then uses a counter value and a nonce to encrypt the data
Question 5
(Which wireless security standard uses an authentication server with 802.1X and EAP?)
A. WPA-PSK
B. TKIP
C. WPA-Enterprise
D. WEP
Solutions:
| Question 1 Answer: A | Question 2 Answer: B | Question 3 Answer: C | Question 4 Answer: C | Question 5 Answer: C |




