Tech quiz challenge: test your knowledge!
Eight medium-difficulty multiple-choice questions that probe core tech concepts, mental models, and practical trade-offs.
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Quiz Questions & Answers
Review every prompt, the correct responses, and helpful context to prep for your own run-through.
Question 1: What best describes the primary goal of the 'least privilege' principle in system design?
Maximize permissions so systems run without access errors
Delegate all access control to end users
Ensure all users have equal access to resources for fairness
Limit each component or user to only the permissions they need
Question 2: Which description best captures why 'observability' matters beyond simple monitoring?
It only means collecting more logs at higher volume
It replaces monitoring and removes the need for alerts
It lets engineers infer system internals from external signals like logs, metrics, and traces
It focuses only on user experience testing
Question 3: When evaluating a new tech framework for your team, which mindset gives the clearest long-term signal?
Assessing how it affects maintainability, cognitive load, and interoperability
Adopting the smallest library to minimize disk usage
Picking the one with the most GitHub stars regardless of fit
Choosing the trendiest option to attract talent
Question 4: Which trade-off is an example of the well-known CAP theorem in distributed systems?
Reducing latency by adding more synchronous validation
Optimizing CPU usage while increasing memory consumption
Encrypting data while also using cleartext backups
Choosing availability over strong consistency during network partitions
Question 5: Which habit best helps teams avoid technical debt accumulating unnoticed?
Only fixing defects reported by end users
Deferring all cleanup until major version releases
Regularly allocating time for refactoring and documenting trade-offs
Relying on automated tools to fix design issues without human review
Question 6: Which statement busts the myth: 'Cloud always reduces costs'?
Using more services always improves ROI automatically
Cloud eliminates the need for developers to optimize performance
Cloud can increase costs if you ignore architecture, overprovision, or lack governance
Cloud pricing is always cheaper than on-prem hardware
Question 7: In a design review, which feedback focuses on high-leverage improvement?
Requesting stylistic color tweaks only
Asking for more meetings rather than concrete changes
Criticizing variable names without broader context
Pointing out mismatches between design and user goals with suggested alternatives
Question 8: Which practice most reliably improves incident response over time?
Hiding incident details to avoid stakeholder concern
Replacing on-call engineers after each outage
Only tracking uptime percentages without context
Conducting blameless post-incident reviews with action items and follow-ups