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

What is the command to get inside the container?

docker exec -it container_id

docker run -it -d -p port_no. image_id

docker exec -it container_id bash

docker start -it container_id bash

2 / 30

What is the role of Ansible roles?

Roles allow users to group this logic into an organized manner making reusability and sharing of Ansible structure easier

Users can also collect information from other remote systems and store them in roles

Roles abstract system tasks, like dealing with packages or handling files from Ansible servers

Roles enable you to hook into Ansible events for display or logging purposes

3 / 30

The command to see the changes made to a tracked file ?

git status

git init

git diff

git commit

4 / 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

5 / 30

To setup slave nodes for Jenkins master we can use:

Using username and password

using ssh keys

Using a and b both

None of them

6 / 30

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

docker show

docker commit

docker ps

docker diff

7 / 30

What is the advantage of Container over Virtual Machines?

Container has long boot-up process

Container is heavier in weight and bigger in size

Container has better resource utilization

Container has Multiple Operating Systems in the same machine

8 / 30

What does the command "git fetch" do?

It gets the changes made in remote repository and copies them to local repository and and merges them to working directory

It does not copy the changes from the remote repository and will not affect local copy and working directory

It gets the changes from the remote repository, but do not copy them to local repository and working directory

It gets the changes made in remote repository and copies them to local repository, but not merged these changes to the working directory

9 / 30

Infrastructure as Code __________

bridges the environment differences system admins encountered every time they had to either deploy new code or setup new servers

is difficult than writing shell scripts

asks for a configured node-terminus of the node

are containers of different resource types

10 / 30

What is the command to view the image id only?

docker images

docker ps

docker ps -q

docker images -q

11 / 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

12 / 30

Which of following is incorrect statement regarding Puppet Manifests files?

These files are saved with a .pp extension

Manifests contain collection of resource declarations that are executed on a node

The Puppet Manifests contains Resource Declarations

Puppet Manifest file generates and sends a certificate signing request to the Puppet Server

13 / 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

14 / 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

15 / 30

What is the command to build the module?

/opt/puppetlabs/bin/puppet module create

/opt/puppetlabs/bin/puppet module build

puppet -m build

/opt/puppetlabs/bin/puppet -m build

16 / 30

What is the command to see all the commits made in the current branch

git show

git commit

git status

git log

17 / 30

Why do we use rolling-update?

To maintain least amount of application downtime by updating one instance at a time

To update kubernetes services within the cluster

To revive unhealthy or dead pods in the deployments

To update kubernetes to the latest version or the latest beta release if running the beta version

18 / 30

Playbooks are the _______

units which actually gets the work done in Ansible.

plugins which provide extra functionality to Ansible.

roles which can be used inside playbooks and even as in-line commands.

Ansibles way of deploying and configuring different remote servers and environments.

19 / 30

Why do we use Kubernetes Dashboard?

It provides pre-loaded services which allow easier deployment of Kubernetes Objects

Because replication controllers do not work without a Dashboard

It provides a GUI based interface from which you can control and monitor you cluster from a Web Browser

None of these

20 / 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

21 / 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

22 / 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=

23 / 30

How to monitor an application running on your browser having a specific secured url?

/usr/local/nagios/libexec/check_http -H host_name -S -u url_of_application

check_http -H host_name -p port_number -u url_of_application

/usr/local/nagios/libexec/check_http -H host_name -S -p port -u url_of_application

check_http -I Ip_address -p port_number -u url_of_application

24 / 30

Which plugin is used to generate report for code coverage in Jenkins?

Findbug

Junit

Surefire

Cobertura

25 / 30

Which one is true among the following statements?

Container doesn't have its own operating system. It will use the Host machines operating system

Container has its own operating System. So it does not need Host machine's operating system

Container has its own operating System. But it needs Host machine's operating system

None of these

26 / 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

27 / 30

Which one is true among the following statements?

Docker images are made up of single layer which is read-only filesystem

Docker images are made up of single layer which is write-only filesystem

Docker images are made up of multiple layers which is write-only filesystem

Docker images are made up of multiple layers which are read-only filesystem

28 / 30

What is the command to create a new role?

sudo ansible create <roleName>

sudo ansible-galaxy create <roleName>

sudo ansible init <roleName>

sudo ansible-galaxy init <roleName>

29 / 30

Which among these files are not in objects directory?

nagios.cfg

windows.cfg

printer.cfg

localhost.cfg

30 / 30

The four main components of declarative pipeline in correct a sequence are:

nodes,stages,steps,directives

node,stages,directives,steps

stages,nodes,directives,steps

steps,nodes,stages,directives

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