Linux Foundation KCNA Certification Exam Sample Questions

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Linux Foundation KCNA Sample Questions:

01. 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) CA
b) Deployment Autoscaler (DA)
c) Horizontal Node Autoscaler (HNA)
d) HPA
 
02. 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) System Administrator
b) DevSecOps Engineer
c) Cloud Solution Architect
d) Data Scientist
 
03. Why are Namespaced containers considered less secure?
a) They use old kernel features
b) They need Kubernetes to run
c) They share a host kernel
d) They share a host network
 
04. How are Cloud Engineers different from DevOps Engineers?
(pick two)
a) DevOps Engineers know nothing about the cloud
b) Cloud Engineers have a deeper knowledge of cloud services
c) DevOps Engineers often have a broader skill set
d) DevOps Engineers need to do on-call duty, while Cloud Engineers don’t
 
05. Which component does the service mesh data plane include?
a) Lightweight web server
b) Lightweight load balancer
c) Lightweight network proxy
d) Lightweight network firewall
 
06. What are secondary containers running in pod called?
a) Flatcars
b) Sidecars
c) Podcars
d) Helpcars
 
07. Several departments have requested a partition with their own users and quotas on the corporate Kubernetes cluster. Which of the following can help?
a) Namespaced runtime
b) Shared runtime
c) Pod quota policy
d) Kubernetes namespaces
 
08. Containers running in one pod share which of the following options?
(pick multiple)
a) Name
b) Storage
c) Networking
d) Memory
 
09. Which of the following is not the Kubernetes AutoScaling Strategy?
a) Horizontal Pod Autoscaler
b) Cluster Autoscaler
c) Vertical Pod Autoscaler
d) Load Balancing AutoScaler
 
10. In distributed system tracing, is the term used to refer to a request as it passes through a single com-ponent of the distributed system?
a) Log
b) Span
c) Trace
d) Bucket

Answers:

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

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