CDM Monitoring, Logging & Incident Response 2

Question 1

Which metric type in Prometheus represents a value that can only increase over time, such as total HTTP requests served?

Accepted Answer

Counter

Answer

A Counter in Prometheus is a cumulative metric that only increases, used for values like total request counts or errors.

Question 2

In the ELK stack, which component is primarily responsible for parsing, filtering, and enriching log data before sending it to Elasticsearch?

Accepted Answer

Logstash

Answer

Logstash is the data processing pipeline that ingests, transforms, and routes log data before it reaches Elasticsearch.

Question 3

An SRE team wants to define an acceptable error rate over a rolling 30-day window for a critical API. Which SRE concept does this describe?

Accepted Answer

Error Budget

Answer

An error budget is the allowable amount of downtime or errors derived from an SLO, representing acceptable unreliability over a period.

Question 4

Which alerting strategy fires a notification only when a condition has been true continuously for a specified duration, reducing false positives?

Accepted Answer

For-duration alerting

Answer

For-duration (or pending) alerts only trigger after the condition persists for a defined window, avoiding alerts on transient spikes.

Question 5

A distributed tracing system assigns the same value to all spans within a single user request across multiple microservices. What is this value called?

Accepted Answer

Trace ID

Answer

The Trace ID is a globally unique identifier shared by every span in the same distributed transaction, enabling end-to-end tracing.

(CDM) Certified DevOps Master Practice Test

(CDM) Certified DevOps Master Practice Test

CDM Monitoring, Logging & Incident Response 2