ATARMAxxing · Digital Solutions
QCE Digital Solutions Practice Exams with Worked Solutions
20 full-length papers · worked solutions for every question
The 20 practice exams inside the QCE Digital Solutions Mastery Pack, each set out like the real paper with a separate worked-solution guide. Open any paper to see what it covers.
- RSA versus AES for a payment gateway
- Data flow diagram of a click-and-collect service
- Desk check of a JSON averaging algorithm
- CIA risks in a school canteen app
- Useability of a delivery driver app
- SQL inner join and GROUP BY for click-and-collect orders
- Driver-assignment algorithm with code library functions
- Vigenère and Gronsfeld cipher evaluation
- Australian Privacy Principles in a gym access system
- SQL with GROUP BY and HAVING
- Network latency and jitter in telehealth
- Annotated mock-up for a booking screen
- XML symbolisation of an appointment record
- Telehealth booking algorithm with a records API
- One-time pad algorithm in pseudocode
- Hashing and salting stored passwords
- XML structure for an event ticket
- Data dictionary for a public transport open data set
- Emerging technology: NLP chatbot
- Desk check of a modular delay calculation with local variables
- Data flow diagram of a chatbot and works-management system
- Data flow diagram for a library reservation system
- Constraints on a volunteer-built app
- Correcting errors in a Caesar cipher algorithm
- Two-factor authentication options compared
- Smart irrigation sensor data exchange
- SQL ALTER, INSERT, UPDATE and sub-selection
- Processing sensor JSON with validation and a weather API
- JSON processing for an esports ladder
- Risks to data availability during a DDoS attack
- Packet switching and error detection
- Accessibility recommendations for a council app
- Machine learning for fraud detection
- Hashing and encryption for a secure bank statement
- Transaction-screening algorithm using a machine learning library
- Symbolising a secure login with hashing
- SQL inner joins on a sports club database
- Desk checking a nested loop
- Privacy of location data in a ride-share app
- Visual hierarchy in a dashboard mock-up
- REST API design for a weather service
- Data integrity: completeness and consistency
- Caesar versus one-time pad security
- Usability heuristics review of a kiosk
- Local and global variable scope
- Gronsfeld cipher in pseudocode
- Data flow diagram for a pharmacy e-script
- Biometric authentication ethics
- Quality of service in an online game
- Recommending a data security strategy
- Data dictionary for a citizen-science bird survey
- Validation of user inputs in pseudocode
- VPN and HTTPS for remote workers
- Reinforcement learning for traffic signals
- Mock-up for a survey app
- Explaining DFD relationships for a parcel locker system
- Hash functions and checksums in file downloads
- SQL sub-selection
- Australian Privacy Principles for a school photo app
- Effectiveness and learnability evaluation
- Pseudocode to merge two JSON data sources
- Risks in a hospital patient wristband system
- XML versus JSON payload size
- Jitter and buffering in live streaming
- Annotated tablet interface for stock control
- SQL joins, GROUP BY/HAVING and a sub-selection
- Vigenère encryption desk check
- Data flow diagram for a sports registration portal
- Authentication with verification codes
- Impacts of open government data
- Visual communication principles for accessibility
- Parity checking and error correction
- Constraints and success criteria for a fundraising app
- Integrity risks from manual data entry
- SQL UPDATE and ALTER statements
- Front-end and back-end sub-systems
- Neural networks for image recognition
- Gronsfeld cipher error correction
- One-time pad data flow diagram
- Ethics of facial recognition in retail
- Pseudocode to calculate percentages from JSON
- Routing, forwarding and congestion control
- Safety principle in a medical app
- Run-length encoding and compression before encryption
- Data dictionary for an energy-use data set
- Caesar cipher pseudocode with modulus
- Recommending security strategies at exchange points
- Utility of a smart home schedule screen
- Global and local variables in a module
- Supervised and reinforcement learning for home batteries
- Data flow diagram for an online voting system
- Australian Privacy Principles and consent
- SQL GROUP BY and ORDER BY on results
- Hashing to verify votes
- Learnability of a first-time voter interface
- Desk check of an XOR-based encryption
- Network protocols for a file-sharing service
- Completeness and consistency in sensor logs
- Deep learning for speech recognition
- Annotated mock-up for a maintenance crew app
- Payment data exchange vulnerabilities
- Pseudocode for input validation and error messages
- Data flow diagram for a food bank stock system
- Availability risks and backups
- Proximity and alignment in form design
- Symmetric versus asymmetric key exchange
- JSON API responses for a bus tracker
- SQL inner join and HAVING
- Social and economic impacts of data ownership
- Accessibility for screen-reader users
- Gronsfeld versus Vigenère key strength
- Data flow diagram for a clinic referral system
- Correcting a one-time pad algorithm
- Privacy impact of wearable fitness data
- Annotated mock-up for an emergency alert app
Included in the QCE Digital Solutions Mastery Pack
20 full-length practice exams with worked solutions, 20 revision notes, 64 practice questions and 200 flashcards.
Unlock Digital Solutions — $20
Preview a sample note and question free on the QCE Digital Solutions hub →