Quiz
3048 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 areas3048
Architecture Fundamentals91
Distributed Systems111
Data Architecture100
Cloud Architecture97
Networking96
API & Integration Architecture97
Reliability & Resilience99
Observability102
Performance & Capacity Engineering100
Security Architecture105
Cost Architecture & FinOps102
Business Architecture103
Architecture Communication102
Enterprise Architecture100
Legacy Modernization102
AI-Era Architecture106
Software Architecture & Engineering103
Architecture Patterns94
Architecture Decision-Making101
The Architect's Meta-Skills102
Delivery & Release Engineering103
Platform Engineering & Developer Experience102
Testing & Quality Architecture102
Data Platform Architecture108
Streaming & Real-Time Data103
Data Governance & Semantics101
Frontend & Experience Architecture101
Edge, Mobile & IoT98
Regulatory & Data Protection Architecture109
Assurance, Audit & Model Risk108
2 questions in Streaming Joins.
-
Streaming Joins advanced
A job interval-joins click events to impression events with a two-hour window. To fix a parser bug the team resets only the click consumer's offsets to three days ago and lets the running job catch up. Walk through what happens, what the output looks like, and what stops it.
3 min answer interval joinwatermarksreplaybackfill -
Streaming Joins advanced
A pipeline must join two streams whose events arrive at different times. What makes streaming joins hard, and what are the options?
2 min answer streaming-joinsstatewindowsenrichment