Practice Kubernetes Multiple Choice Questions with Answers Quiz-1

Q.1.

Which description best fits a DaemonSet?

A way to run a copy of a pod on all or some nodes
A method to manage clusters of pods
A channel through which to pass information between two or more nodes
A system to connect nodes and pods

Q.2.

What is the function of a node?

To communicate with hosts on a network
To run pods according to master components
To channel incoming data from multiple input ports to a specific port

Q.3.

The Kubernetes Network proxy runs on which node?

Master Node
All the nodes
Worker Node
None of the above

Q.4.

What command makes a node available for scheduling again?

kubectl uncordon
kubectl cordon

Q.5.

What happens when a master node inside kubernetes fails?

Pods go into hung state
Pods still get created
Pods do not get created
Pods go into terminating state

Q.6.

How does master node communicate with worker node?

It doesn't communicate with single node. It communicates with all the nodes at a same time.
Worker nodes are provided with static IP which helps master node to communicate with them.

Q.7.

Which of the component assigns new workload to worker node?

kube-schedular
kube-controller-manager
kube-etdc

Q.8.

What is a worker node responsible for?

Running tasks designated by Kubernetes
A pod equivalent
A Kubernetes working machine
A pod manager

Q.9.

What Kubernetes resources are NOT used to ensure the Application management?

Deployments
Secrets
ReplicaSets
Pods

Q.10.

Which of the following are valid docker commands?

docker ps
docker run [OPTIONS] IMAGE [COMMAND] [ARG...]
docker images
All of the above

Q.11.

What is the function of labels?

To classify functions
To tag containers and link them together in groups
To assign functions to pods
To be ignored by millennials

Q.12.

In the context of Kubernetes, what is a container?

An application environment installed on software that imitates dedicated hardware
A package that relies on virtual isolation technology to deploy and run applications that access a shared OS kernel
A large metal box that is used to hold or transport something
A unit that stores data on a computer's memory drive

Q.13.

Generally, what is a proxy service used for?

To supplant an authentic webpage in a search engine's index and search page results
To connect external parties and route data between internal and external containers
To act as an intermediary between an endpoint device and another server
To relay connection requests for inbound network traffic

Q.14.

What is the correct order of steps to upgrade your OS?

1) kubectl drain <node>2) Upgrade OS3) kubectl cordon <node>
1) kubectl drain <node>2) Upgrade OS3) kubectl uncordon <node>
1) kubectl cordon <node>2) Upgrade OS3) kubectl uncordon <node>
1) kubectl uncordon <node>2) Upgrade OS3) kubectl cordon <node>

Q.15.

A Volume stops to exist when a container restarted or deleted!

True
False

Q.16.

A Persistent Volume depends on the lifetime of a Pod!

True
False

Q.17.

Secrets cannot be mounted into pods via a volume!

True
False

Q.18.

Based on what do Networkpolicy resources select pods to define and apply rules?

Pod names
Namespace name
Labels

Q.19.

A service account is scoped to a namespace

True
False

Q.20.

What is not a valid affinity rule?

Pod AntiAffinity
Pod Affinity
Node Anti Affinity
Node Affinity

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