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 create a new role?

sudo ansible create <roleName>

sudo ansible-galaxy create <roleName>

sudo ansible init <roleName>

sudo ansible-galaxy init <roleName>

2 / 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

3 / 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

4 / 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

5 / 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.

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

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

8 / 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

9 / 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

10 / 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

11 / 30

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

8120

8080

8140

8235

12 / 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

13 / 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

14 / 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=

15 / 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

16 / 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

17 / 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

18 / 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

19 / 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

20 / 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

21 / 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

22 / 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

23 / 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.

24 / 30

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

git checkin -b

git checkout -b

git check -b

git branch

25 / 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

26 / 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)

27 / 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

28 / 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

29 / 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

30 / 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

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