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

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

3 / 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

4 / 30

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

git fetch

git commit

git push

git status

5 / 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

6 / 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

7 / 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

8 / 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>

9 / 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.

10 / 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

11 / 30

Which among these files are not in objects directory?

nagios.cfg

windows.cfg

printer.cfg

localhost.cfg

12 / 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

13 / 30

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

docker show

docker commit

docker ps

docker diff

14 / 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

15 / 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=

16 / 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

17 / 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

18 / 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

19 / 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

20 / 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

21 / 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

22 / 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)

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 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

25 / 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

26 / 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

27 / 30

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

git checkin -b

git checkout -b

git check -b

git branch

28 / 30

Pod can have multiple different containers inside it.

TRUE

FALSE

29 / 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

30 / 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

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