Quiz
2988 questions of the kind that actually get asked — in interviews, in architecture review boards, and by the person who has to run the thing at 3 AM. Every answer states the trade-off rather than the slogan, and says when the obvious choice is the wrong one.
All areas2988
Architecture Fundamentals91
Distributed Systems111
Data Architecture100
Cloud Architecture97
Networking96
API & Integration Architecture97
Reliability & Resilience99
Observability92
Performance & Capacity Engineering100
Security Architecture105
Cost Architecture & FinOps102
Business Architecture103
Architecture Communication102
Enterprise Architecture100
Legacy Modernization102
AI-Era Architecture106
Software Architecture & Engineering93
Architecture Patterns94
Architecture Decision-Making101
The Architect's Meta-Skills102
Delivery & Release Engineering103
Platform Engineering & Developer Experience102
Testing & Quality Architecture102
Data Platform Architecture98
Streaming & Real-Time Data103
Data Governance & Semantics91
Frontend & Experience Architecture101
Edge, Mobile & IoT98
Regulatory & Data Protection Architecture99
Assurance, Audit & Model Risk98
2 questions in Tokenisation & Masking.
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Tokenisation & Masking intermediate Multiple choice
A marketplace must stop storing raw phone numbers in its analytical estate. Analysts still need to join orders to support tickets by the same customer, and the company must be able to delete an individual's data on request. Which approach fits?
2 min answer tokenisationhashingerasurejoinability -
Tokenisation & Masking intermediate
Customer phone numbers are replaced with vault-issued tokens at ingest, and the four services allowed to see raw values call the vault to detokenise on demand. The vault becomes slow rather than down - p99 goes from 8 ms to 4 seconds - for three hours during the evening peak. What happens across the estate, and what stops it?
3 min answer tokenisationvaultavailability-couplingtimeouts