Follow a distributed request with traces, spans, parent relationships, propagated context, and critical-path timing across cooperating services.
Intermediate14 min read
Observability lessonDelivery and reliability foundationsPractice
UNTIMED COACHING
Practice before the pressure
Use feedback to correct the model, not merely memorize an option position.
GUIDED PRACTICE
Practice the lesson questions
Answer normal lesson questions without a timer. Every answer includes an explanation, and incorrect answers can be tried again before continuing.
20 questions balanced across the lesson's key topics
At least four explanatory diagrams or tables
Retry freely, without a timer or score
CONCEPT MODELS
See the lesson as a system
Use these visual guides to connect the key ideas before answering the questions.
Connect the roles in Distributed Traces and Context PropagationKeep root request, service span, parent relationship, and context propagation as separate service roles.Verify Critical pathConnect critical path with its topic-specific inspection, expected outcome, and protected delivery boundary.