PCA (Prometheus Certified Associate) sample exam question with answer 174

Question:
Which of the following is a term used to describe a unit of work in a distributed system that is being traced?

1. Span
2. Trace
3. Endpoint
4. Service

Answer:
A - A span is a unit of work in a distributed system that is being traced. It typically represents a single operation or request, and can include metadata such as timestamps, status codes, and error messages