KCNA Monitoring and Logging 3

Question 1

What is the purpose of a Prometheus AlertManager?

Accepted Answer

Route and deduplicate alerts from Prometheus

Answer

AlertManager handles alerts sent by Prometheus, deduplicating, grouping, and routing them to receivers like email, Slack, or PagerDuty.

Question 2

Which Fluent Bit component is responsible for parsing and transforming log records before they are sent to an output?

Accepted Answer

Filter plugin

Answer

Filter plugins in Fluent Bit process and transform log records between input collection and output delivery, enabling parsing, enrichment, and modification.

Question 3

What Kubernetes resource type is most commonly used to deploy a log collector (like Fluent Bit) on every node in a cluster?

Accepted Answer

DaemonSet

Answer

A DaemonSet ensures that one pod runs on every (or selected) node, making it ideal for node-level log collection agents.

Question 4

In OpenTelemetry, what is a 'span'?

Accepted Answer

A single unit of work or operation within a distributed trace

Answer

A span represents a single named, timed operation within a trace, capturing start time, duration, and contextual attributes of that unit of work.

Question 5

Which Prometheus metric type is best suited for measuring request latency distribution with configurable quantiles calculated server-side?

Accepted Answer

Summary

Answer

Summary metrics calculate configurable quantiles (e.g., p50, p95, p99) on the client side and are useful for pre-aggregated latency distributions.

(KCNA) Kubernetes and Cloud Native Associate Practice Test

(KCNA) Kubernetes and Cloud Native Associate Practice Test

KCNA Monitoring and Logging 3