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 statement is true regarding push approach of Ansible?

Push works in a master slave architecture which requires agents set up on all slave nodes.

Systems using push architecture can scale quite easily which is not the case with push model.

Push based systems are completely Synchronous

Push approach requires agents set up on individual nodes

2 / 30

Which among these files are not in objects directory?

nagios.cfg

windows.cfg

printer.cfg

localhost.cfg

3 / 30

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

git fetch

git commit

git push

git status

4 / 30

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

8120

8080

8140

8235

5 / 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

6 / 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

7 / 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.

8 / 30

What is the command to view the image id only?

docker images

docker ps

docker ps -q

docker images -q

9 / 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

10 / 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

11 / 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

12 / 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

13 / 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

14 / 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

15 / 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

16 / 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

17 / 30

Pod can have multiple different containers inside it.

TRUE

FALSE

18 / 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

19 / 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

20 / 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

21 / 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

22 / 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

23 / 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

24 / 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

25 / 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

26 / 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

27 / 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

28 / 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=

29 / 30

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

git checkin -b

git checkout -b

git check -b

git branch

30 / 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

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