Answer these 5 simple questions on Kubernetes and test your knowledge about the container orchestration tool.
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Question 1
In 2007 Google contributed an important feature to the Linux Kernel, which limits the resources used by collection of processes, and is at the core of today's containers. Which is that feature?
A
Mesos
B
Cgroups
C
12factors
D
Namespaces
E
Borg
Question 1 Explanation:
Google contributed Control Groups to the Linux kernel in 2007, which limits the resources used by collections of processes. Cgroups and Linux namespaces are at the heart of containers today, including Docker. Refer https://en.wikipedia.org/wiki/Cgroups for details.
Question 2
Although Kubernetes is an orchestration system to deploy and manage containers, the containers are not managed individually, instead they are part of a larger object called:
A
ReplicaSet
B
Cluster
C
Pod
D
Diego
E
Cell
Question 3
Kube Metadata have a space which remains with the object but cannot be used by Kubernetes commands and is rather utilized by third party agents or tools. What are we talking about?
A
Toleration
B
Taints
C
Labels
D
Deployments
E
Annotations
Question 3 Explanation:
Kubernetes annotations can be used to attach arbitrary non-identifying metadata to objects. Clients such as tools and libraries can use this metadata. Refer https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations for details.
Question 4
Which Programing language is Kubernetes written in?
A
Python
B
Ruby
C
Java
D
C++
E
Go
Question 4 Explanation:
The Kubernetes project is open source and is written in the Go programming language. You can browse its source code on GitHub at https://github.com/kubernetes/kubernetes.
Question 5
Why is Kubernetes abbreviated as K8s?
A
Kubernetes was born out of a Google project called Kate's.
B
There are 8 letters between K & S.
C
The name is difficult to pronounce.
D
In Greek Kubernetes means 8.
E
Kubernetes is the pilot of a ship of containers.
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