Revision notes.

Try this with Digital Solutions

1. Close your notes and write the main idea in two sentences from memory.
2. Reopen the source and correct the first mistake or omission you find.
3. Add one example and one question to test whether you can apply the idea.

View Digital Solutions resources on ATARMAXXING ↗

Topics in the resource inventory

• Symmetric and asymmetric encryption: DES, Triple DES, AES, Blowfish, Twofish and RSA
• Caesar, Vigenère, Gronsfeld and one-time pad: how they work and how to evaluate their security
• Hashing, checksums, compression and encryption in the storage and transfer of data
• Authentication: passwords, verification codes, biometrics and 2FA/MFA compared
• The Australian Privacy Principles and ethics for personally identifiable and sensitive data
• Network transmission principles, protocols and performance metrics: TCP/IP, HTTP, FTP, VPN, latency, jitter and QoS
• REST, APIs, JSON and XML: how front-end and back-end sub-systems exchange data
• Machine learning, deep learning, neural networks, NLP and reinforcement learning in data exchange
• Analysing data exchange problems: scope, constraints, requirements, decomposition and success criteria
• Risks to confidentiality, integrity, availability and privacy, and the strategies that reduce them
• Data completeness, consistency and integrity: data dictionaries, data types and naming conventions
• Data flow diagrams: symbolising and explaining external entities, processes, data stores and flows
• Algorithm constructs, programming features, operators and variable scope in pseudocode
• Desk checks, trace tables, debugging and correcting algorithms
• Writing pseudocode for Caesar, Vigenère, Gronsfeld and one-time pad algorithms
• Pseudocode that reads, processes and displays JSON and XML data using code libraries
• SQL for data exchange solutions: CREATE, ALTER, INSERT, UPDATE, SELECT, GROUP BY, HAVING, sub-selections and inner joins
• Evaluating solutions and impacts: success criteria, good programming practice and justified recommendations
• Useability principles in exam responses: accessibility, effectiveness, safety, utility and learnability
• Visual communication elements and principles, and annotated user-interface mock-ups