KCNA Cloud Native Observability Practice Question
Which of the following is the correct definition of a Service Level Indicator (SLI)?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
A quantitative measure of a specific aspect of the service's reliability
An SLI is a specific metric that measures a particular aspect of service reliability, such as request latency or error rate.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A formal contract between a service provider and a customer
Why it's wrong here
This describes an SLA.
- ✗
A target value or range for a metric, agreed upon with stakeholders
Why it's wrong here
This describes an SLO.
- ✓
A quantitative measure of a specific aspect of the service's reliability
Why this is correct
An SLI is exactly that: a metric that indicates the level of service.
- ✗
A tool for aggregating logs from multiple sources
Why it's wrong here
This describes a log aggregation tool like Fluentd.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This KCNA practice question is part of Courseiva's free CNCF certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the KCNA exam.