PCA (Prometheus Certified Associate) sample exam question with answer 554

Question:
What is observability in software engineering?

1. A measure of how quickly a system can recover from failures
2. The ability to measure and understand what is happening inside a system
3. The ability to prevent security vulnerabilities in a system
4. The ability to detect and respond to malicious activity in a system

Answer:
B - is the correct answer. Observability refers to the ability to measure and understand what is happening inside a system. It involves collecting data from various sources within the system, such as logs, metrics, and traces, and using that data to gain insights into the system's behavior and performance