KCNA Cloud Native Architecture Practice Question
Which CNCF project provides a graduated service mesh implementation that includes features like traffic management, security, and observability?
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
✓
Linkerd
Linkerd is a graduated CNCF project that provides a service mesh with features like traffic management, security (mTLS), and observability. Istio is also a service mesh but is incubating, not graduated. Envoy is a graduated proxy but not a full service mesh. Consul is not a CNCF project.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Linkerd
Why this is correct
Correct. Linkerd is a graduated CNCF service mesh.
- ✗
Consul
Why it's wrong here
Consul is not a CNCF project; it is a HashiCorp product.
- ✗
Envoy
Why it's wrong here
Envoy is a graduated CNCF project but it is a proxy, not a full service mesh (though it can be used as a data plane component).
- ✗
Istio
Why it's wrong here
Istio is a service mesh but it is incubating, not graduated.
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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.