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 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

2 / 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

3 / 30

Which of the following statement is not true for a typical Continuous Delivery?

It enables a constant flow of changes into production via automated software production line

A typical CD pipeline includes build automation, Continuous Integration, test automation and deployment automation

Continuous delivery (CD) is the process of getting new builds into the hands of users as quickly as possible

It is an approach used to minimize the risks associated with releasing software

4 / 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

5 / 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

6 / 30

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

git status

git init

git diff

git commit

7 / 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

8 / 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

9 / 30

Which command is used to add a user to a host using an Ansible ad-hoc command?

ansible -b -k -m user 'name=name_of_user'

ansible -b -k -m user 'name=name_of_user' name_of_host

ansible -b -k -m user -a 'name=name_of_user' name_of_host

ansible -b -k -m user -a 'name=name_of_host' name_of_user

10 / 30

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

git fetch

git commit

git push

git status

11 / 30

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

8120

8080

8140

8235

12 / 30

Which among these files are not in objects directory?

nagios.cfg

windows.cfg

printer.cfg

localhost.cfg

13 / 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

14 / 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>

15 / 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

16 / 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

17 / 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

18 / 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

19 / 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

20 / 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

21 / 30

What does the apiserver do in Kubernetes?

Downloads the API's required to communicate with web

Provides API's required to run the Containers on the slave machines

It configures the data and authorizes the API objects including pods, services, various controllers and so on

All of the above

22 / 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

23 / 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

24 / 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

25 / 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

26 / 30

What is Kubelet?

It's the master node which controls all the other nodes

It is responsible for creating replicas of stopped containers

Maintains the node count on master and checks if all the nodes are up and running

It is the node agent which is responsible for maintaining and monitoring pod health

27 / 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

28 / 30

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

git show

git commit

git status

git log

29 / 30

What is the command to view the image id only?

docker images

docker ps

docker ps -q

docker images -q

30 / 30

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

Findbug

Junit

Surefire

Cobertura

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