QCE Digital Solutions Units 3&4 Notes

These are the 20 revision notes inside the QCE Digital Solutions Mastery Pack. Open any note to see what it covers before you buy.

1. Symmetric and asymmetric encryption: DES, Triple DES, AES, Blowfish, Twofish and RSATopic 1 · Unit 4 Topic 1 — Digital methods for exchanging data

   Encryption algorithms

2. Caesar, Vigenère, Gronsfeld and one-time pad: how they work and how to evaluate their securityTopic 1 · Unit 4 Topic 1 — Digital methods for exchanging data

   Classical ciphers

3. Hashing, checksums, compression and encryption in the storage and transfer of dataTopic 1 · Unit 4 Topic 1 — Digital methods for exchanging data

   Secure transmission processes

4. Authentication: passwords, verification codes, biometrics and 2FA/MFA comparedTopic 1 · Unit 4 Topic 1 — Digital methods for exchanging data

   Authentication strategies

5. The Australian Privacy Principles and ethics for personally identifiable and sensitive dataTopic 1 · Unit 4 Topic 1 — Digital methods for exchanging data

   Privacy and ethics

6. Network transmission principles, protocols and performance metrics: TCP/IP, HTTP, FTP, VPN, latency, jitter and QoSTopic 1 · Unit 4 Topic 1 — Digital methods for exchanging data

   Network transmission

7. REST, APIs, JSON and XML: how front-end and back-end sub-systems exchange dataTopic 1 · Unit 4 Topic 1 — Digital methods for exchanging data

   Data exchange methods

8. Machine learning, deep learning, neural networks, NLP and reinforcement learning in data exchangeTopic 1 · Unit 4 Topic 1 — Digital methods for exchanging data

   Emerging technologies

9. Analysing data exchange problems: scope, constraints, requirements, decomposition and success criteriaTopic 2 · Unit 4 Topic 2 — Complex digital data exchange problems and solution requirements

   Problem analysis

10. Risks to confidentiality, integrity, availability and privacy, and the strategies that reduce themTopic 2 · Unit 4 Topic 2 — Complex digital data exchange problems and solution requirements

    Data security risks

11. Data completeness, consistency and integrity: data dictionaries, data types and naming conventionsTopic 2 · Unit 4 Topic 2 — Complex digital data exchange problems and solution requirements

    Data integrity and specification

12. Data flow diagrams: symbolising and explaining external entities, processes, data stores and flowsTopic 2 · Unit 4 Topic 2 — Complex digital data exchange problems and solution requirements

    Data flow diagrams

13. Algorithm constructs, programming features, operators and variable scope in pseudocodeTopic 3 · Unit 4 Topic 3 — Prototype digital data exchanges

    Programming features and constructs

14. Desk checks, trace tables, debugging and correcting algorithmsTopic 3 · Unit 4 Topic 3 — Prototype digital data exchanges

    Testing algorithms

15. Writing pseudocode for Caesar, Vigenère, Gronsfeld and one-time pad algorithmsTopic 3 · Unit 4 Topic 3 — Prototype digital data exchanges

    Encryption algorithms in pseudocode

16. Pseudocode that reads, processes and displays JSON and XML data using code librariesTopic 3 · Unit 4 Topic 3 — Prototype digital data exchanges

    Processing external data

17. SQL for data exchange solutions: CREATE, ALTER, INSERT, UPDATE, SELECT, GROUP BY, HAVING, sub-selections and inner joinsTopic 3 · Unit 4 Topic 3 — Prototype digital data exchanges

    SQL

18. Evaluating solutions and impacts: success criteria, good programming practice and justified recommendationsTopic 3 · Unit 4 Topic 3 — Prototype digital data exchanges

    Evaluation and impacts

19. Useability principles in exam responses: accessibility, effectiveness, safety, utility and learnabilityInterfaces · Unit 4 Topic 1 (built on Unit 3) — Useability principles, visual communication and user-interface prototypes

    Useability principles

20. Visual communication elements and principles, and annotated user-interface mock-upsInterfaces · Unit 4 Topic 1 (built on Unit 3) — Useability principles, visual communication and user-interface prototypes

    Visual communication and prototypes