Certified DevOps Engineer Professional Exam

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DevOpsUniversity.org offers many resources and setup guides free to the DevOps community.

Among these tools are our mock exams, these exams or assessments provides you the impression of the actual DevOps Certification exams. There is no fee for these assessments and these will allow you to evaluate your understanding of DevOps. The assessment results will guide you around your areas where you to need to learn or focus more.

Test your DevOps skills with our mock exams. Best of luck!

We are in the process of updating the questions as a routine monthly amendments.

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Description

DevOpsUniversity.org offers many resources and setup guides free to the DevOps community.

Test your DevOps skills with our mock exams. Best of luck!

We are in the process of updating the questions as a routine monthly amendments.

Certified DevOps Professional Mock Exam

1 / 30

Which of the following is true for NRPE in Nagios?

NRPE plugin must be installed on windows server to monitor it

Nagios must be installed on the remote machine before installing NRPE plugin

NRPE cant monitor CPU Load

NRPE plugin is used to monitor linux server

2 / 30

Which command is used to create a new deployment from a Yaml File?

kubectl create -f

kubectl apply -f

Both A & B

kubectl create deployment

3 / 30

Pod can have multiple different containers inside it.

TRUE

FALSE

4 / 30

Which one is a better solution if many people are working simultaneously on the same project

Without Version control

Local version Control

Centralised Version Control

None of the above

5 / 30

The command which is used by the agent node to pull the catalog is

/opt/puppetlabs/bin/puppet agent -test

/opt/puppetlabs/bin/puppet -test

/opt/puppetlabs/bin/puppet agent -t

puppet agent -test

6 / 30

The best practice mode among different modes of authorization is

Legacy mode

Logged-in users can do anything

Matrix-based security

Anyone can do anything

7 / 30

Which of the following statement is not true about Puppet?

Puppet works in the master slave architecture where one master server controls all the agents nodes

Orchestration and management on the node is very difficult through Puppet

Puppet enables users to concentrate more on making delivery faster and more reliable rather than continually fixing mistakes

Puppet provides the suitable ecosystem to support and meet the needs of any company irrespective of their size

8 / 30

What happens when we install docker? Please choose the correct option from the given statements.

Only docker host will be installed

Only docker client will be installed

Both docker host and docker client will not be installed automatically

Both docker host and docker client will be installed automatically

9 / 30

Which is true for version control ?

Changes saved in a file can not be reverted back

changes saved in a file can be reverted back

Changes made are permanent

None of the above

10 / 30

Which of the following statement is not true about tasks in Playbooks?

All the tasks that are to be executed on remote systems are defined under the tasks section

A single play can consist multiple tasks

Handlers are tasks which are executed multiple times

Tasks are executed in order

11 / 30

What is the command used to create a swarm cluster?

docker swarm --advertise-addr ip_address

docker swarm --init-addr ip_address

docker swarm init --advertise-addr ip_address

docker swarm create --advertise-addr ip_address

12 / 30

Which statement is true about Overlay Network?

They are implemented on the containers which run on the same docker daemon host

This type of network is used by legacy applications or applications which are supposed to be directly connected to physical network

They help docker swarm services to communicate

They do not provide secure communication

13 / 30

What is the command used for scaling the application?

docker service scale service_name=no_of replicas required

docker service scale -it -d -p port service_name=no_of replicas required

docker service replica service_name =no._of_replica_req

docker container_id replica=no._of_replica_req

14 / 30

Which command helps to solve a merge conflict issue in git?

Please note: You need to select one process from the options which will be one of the correct process. However we have multiple process to solve this merge conflict.

apt-get install merge and git merge

apt-get install kdiff3 and git mergetool

apt-get install mergetool and git merge

apt-get install mergetool and git kdiff3

15 / 30

What is the command to view the changes made in the docker image?

docker show

docker commit

docker ps

docker diff

16 / 30

Which statement is true regarding push approach of Ansible?

Push works in a master slave architecture which requires agents set up on all slave nodes.

Systems using push architecture can scale quite easily which is not the case with push model.

Push based systems are completely Synchronous

Push approach requires agents set up on individual nodes

17 / 30

How is distributed build in Jenkins achieved?

by adding build trigger to Jenkins

by adding nodes to Jenkins master and distribute the workload

By removing the old projects from Jenkins workspace

By building multibranch pipeline project

18 / 30

Which Kubernetes command is used to start a new cluster?

kubectl start --apiserver-adevertise-address= --pod-network-cidr=192.168.0.0/16

kubeadm start cluster --master-cluster-address=

kubectl init new cluster --apiserver-advertise-address= --pod-network-cidr=

kubeadm init --apiserver-advertise-address= --pod-network-cidr=

19 / 30

The command to move the edited files to a temporary directory, but exempt to commit the edited files

git commit

git status

git stash

git branch

20 / 30

Which port address is used by Puppet master and slave to communicate with each other

8120

8080

8140

8235

21 / 30

\"docker node ls\" command is used on _______

the agent node to view the nodes that have been connected through swarm cluster

the manager node to view the nodes that have been connected through swarm cluster

all the nodes to view the nodes that have joined the swarm cluster

the docker machine to view the number of containers on the current machine

22 / 30

Which of the following statement is not true about inventory files?

Ansibles inventory lists all the platforms you want to automate across

It is not possible to have multiple inventory files at the same time

The host inventory file can contain host names either individually or in groups

While writing an inventory file, host Groups can be created by giving a group name within square brackets

23 / 30

What is the command to know if a branch is not merged to master branch in git?

git branch -merged

git branch -nomerged

git branch -not-merged

git branch -no-merged

24 / 30

Where can we use container, based on the given scenarios?

We want to run multiple copies of a single application

We want to run multiple applications

We want to use as much as hardware or any system resources

None of these

25 / 30

Which of the following statement is not true about Configuration management?

Configuration Management Tools provide an easier approach to manage and configure servers

Writing individual scripts for servers time and again just to get a few things done has become obsolete

Configuration Management enables users to manage and configure the entire infrastructure and its environment

Configuration Management is all about deployment and monitoring of servers and sometimes bring inconsistency in the infrastructure

26 / 30

What is the command to update the changes made in local repository in remote repository

git fetch

git commit

git push

git status

27 / 30

What will happen if we run the "docker run it h forcommit - -name=4commit ubuntu" command?

It will create a new container (forcommit) and a new hostname (4commit)

It will create a new hostname(4commit) and a new container (forcommit)

It will not create a new hostname(forcommit) and a new container (4commit)

It will create a new hostname(forcommit) and a new container (4commit)

28 / 30

Which of the following is not true about a monitoring tool?

It detects any network or server problems

It monitors and troubleshoot server performance issues

Its not possible to determine the root cause of any issues related to remote servers

It maintains the security and availability of the service

29 / 30

What is the command to view the image id only?

docker images

docker ps

docker ps -q

docker images -q

30 / 30

What is the command to remove all the images at once?

docker rmi image_id

docker rm $(docker images)

docker rm $(docker ps -q)

docker rmi $(docker images -q)

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