Linux Foundation KCNA Certification Exam Sample Questions

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Linux Foundation KCNA Sample Questions:

01. In which framework do developers no longer have to deal with capacity, deployments, scaling, fault tolerance, and the OS?
a) Kubernetes
b) Serverless
c) Mesos
d) Docker Swarm
 
02. What is the name of the lightweight Kubernetes distribution built for IoT and edge computing?
a) k1s
b) OpenShift
c) RKE
d) k3s
 
03. In distributed system tracing, which term refers to a request as it passes through a single component of the distributed system?
a) Log
b) Span
c) Bucket
d) Trace
 
04. Several departments have requested a partition with their own users and quotas on the corporate Kubernetes cluster. Which of the following can help?
a) Kubernetes namespaces
b) Namespaced runtime
c) Pod quota policy
d) Shared runtime
 
05. A company is looking to hire a professional who understands the entire application lifecycle and makes security an essential part of it. Which of the following job roles should the company be looking for?
a) Data Scientist
b) Cloud Solution Architect
c) System Administrator
d) DevSecOps Engineer
 
06. You've been asked to implement automatic scaling, depending on the load, for an application running in Kubernetes. Which of the following tools will be helpful?
a) Deployment Autoscaler (DA)
b) Horizontal Node Autoscaler (HNA)
c) HPA
d) CA
 
07. How can you extend the Kubernetes API with new features?
(Choose all that apply)
a) Code Resource Definitions
b) Custom Resource Definitions
c) Aggregation layers
d) Extension layers
 
08. Why are namespaced containers considered less secure than virtual machines?
a) They share a host network
b) They need Kubernetes to run
c) They use old kernel features
d) They share a host kernel
 
09. How can a new container be created using Docker tooling?
a) docker launch
b) docker exec
c) docker run
d) docker spawn
 
10. What programming language do developers have to learn to run their code in containers?
a) None, containers allow the same languages that are supported by the OS environment
b) Golang
c) Dockerlang
d) Python

Answers:

Question: 01
Answer: b		 Question: 02
Answer: d		 Question: 03
Answer: b		 Question: 04
Answer: a		 Question: 05
Answer: d
Question: 06
Answer: c		 Question: 07
Answer: b, c		 Question: 08
Answer: d		 Question: 09
Answer: c		 Question: 10
Answer: a

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