Certified DevOps Engineer Professional Exam

Description

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.

Get Certified

Take Free Mock Test

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

Pod can have multiple different containers inside it.

TRUE

FALSE

2 / 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

3 / 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

4 / 30

What is not true about swarm manager?

Multiple swarm manager can be created for creating high availability cluster

Only one swarm manager can be assigned for a single swarm cluster

For manager we have to use --force command while leaving the cluster cluster

Docker manager handles cluster management tasks such as maintaining cluster and scheduling services

5 / 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

6 / 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

7 / 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>

8 / 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

9 / 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

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

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

12 / 30

Variables in Ansible can be _________

used to control system resources, like services, packages, execute system commands, or files

defined and used anywhere even in inventory or in an Ad-Hoc command

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

13 / 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

14 / 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)

15 / 30

What is the command to create and switch to a branch?

git checkin -b

git checkout -b

git check -b

git branch

16 / 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

17 / 30

What are Services in Kubernetes?

Services allow kubernetes to use external tools in the form of a service

Services provide access to the pods it is attached to, acting as load balancers for kubernetes

Services allows deployment of multi-container pods on different nodes

Services help configure the way kubernetes behaves and communicates with different controllers running on it.

18 / 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

19 / 30

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

git status

git init

git diff

git commit

20 / 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

21 / 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

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

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

24 / 30

What is the command to view the image id only?

docker images

docker ps

docker ps -q

docker images -q

25 / 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

26 / 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

27 / 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

28 / 30

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

docker show

docker commit

docker ps

docker diff

29 / 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

30 / 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

Your score is

The average score is 0%