OTCA - OpenTelemetry Certified Associate - Mock Exams

---UPDATE DECEMBER 2025: Thanks for your feedback! It really helps me improve these mock exams. Here are the new updates:- Full review of questions and topics- Improved overall explanations, including explanations for incorrect answers- Increased complexity level to make them more similar to the real OTCA exam- Added an additional mock test, for a total of 300 questions.---This is a selection of questions I created while preparing for the OTCA certification exam (with some improvements made afterward), just like you, to help myself and hopefully other students succeed in this CNCF exam. These mock exams covers all topics required in the OTCA curriculum, with each section weighted according to the exam:Fundamentals of Observability 18%Telemetry DataSemantic ConventionsInstrumentationAnalysis and OutcomesThe OpenTelemetry API and SDK 46%Data ModelComposability and ExtensionConfigurationSignals (Tracing, Metric, Log)SDK PipelinesContext PropagationAgentsThe OpenTelemetry Collector 26%ConfigurationDeploymentScalingPipelinesTransforming DataMaintaining and Debugging Observability Pipelines 10%Context PropagationDebugging PipelinesError HandlingSchema ManagementThe selection of topics has been carefully curated to ensure both accuracy and clarity, aligning closely with the official OTCA curriculum and exam expectations. My goal is