10+ CtrlS Devops Engineer Interview Questions & Answers | Complete Prep Guide 2025

CtrlS Devops Engineer Interview Experiences

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Devops Engineer Interview Questions & Answers

Anonymous

posted on 28 Jan 2023

Interview experience

Poor

Difficulty level

Easy

Process Duration

Less than 2 weeks

Result

Not Selected

I applied via Naukri.com and was interviewed in Jul 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist

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Round 2 - Technical

(7 Questions)

Q1. What are environments in Azure Devops (pipelines)

Ans.

Environments in Azure DevOps are logical groups of resources where code is deployed and tested.

Environments can be created for different stages of the development process, such as development, testing, staging, and production.
Each environment can have its own set of resources, such as virtual machines, databases, and storage accounts.
Environments can be configured to automatically deploy code from a pipeline or manuall...

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Q2. How do you establish service connection? why do you give spn in Devops? what is the use of it?

Ans.

Establishing service connection involves configuring the service principal name (SPN) in DevOps.

Service connection is established by configuring the SPN in DevOps.
SPN is used to uniquely identify a service instance in a network environment.
It allows DevOps to authenticate and authorize the service instance.
SPN is also used to delegate authentication to other services.
Examples of services that require SPN include SQL Se

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Q3. Difference between git fetch and git pull difference between git clone and git remote

Ans.

git fetch vs git pull and git clone vs git remote

git fetch downloads the changes from the remote repository but does not merge them with the local branch
git pull downloads the changes and merges them with the local branch
git clone creates a copy of the remote repository on the local machine
git remote is used to manage the remote repositories that a local repository is connected to

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Q4. How do you get conflicts in git. scenarios

Ans.

Conflicts in Git occur when two or more people make changes to the same file or code at the same time.

Conflicts can occur when merging branches or pulling changes from a remote repository.
Git will notify you of conflicts and you must manually resolve them by editing the affected files.
Conflicts can be avoided by communicating with team members and establishing a clear workflow.
Using Git's branching and merging features

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Q5. Kubernetes- what are autoscaling methods used. explain

Ans.

Autoscaling methods in Kubernetes include Horizontal Pod Autoscaler (HPA), Cluster Autoscaler, and Vertical Pod Autoscaler (VPA).

Horizontal Pod Autoscaler (HPA) scales the number of pods based on CPU utilization or custom metrics
Cluster Autoscaler scales the number of nodes in a cluster based on resource utilization
Vertical Pod Autoscaler (VPA) adjusts the resource requests and limits of containers based on usage patte...

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Q6. How do you deploy webapp into k8s

Ans.

Deploy webapp into k8s by creating a deployment YAML file and applying it using kubectl command.

Create a Docker image of the webapp
Create a deployment YAML file with necessary specifications like image, replicas, ports, etc.
Apply the deployment YAML file using kubectl apply command
Expose the deployment using a service YAML file with necessary specifications like type, ports, etc.
Apply the service YAML file using kubect

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Q7. What is the cluster version? how many clusters and nodes are there in your project who manages the master node how many master nodes are there

Ans.

The cluster version, number of clusters and nodes, management of master node, and number of master nodes in the project.

The cluster version refers to the version of the software used to manage the cluster.
The number of clusters and nodes depends on the project requirements.
The master node is managed by the DevOps team or the system administrator.
The number of master nodes can vary depending on the project's high availa

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Devops Engineer Interview Questions & Answers

Altimetrik

Anonymous

posted on 23 Dec 2024

Interview experience

Excellent

Difficulty level

Easy

Process Duration

Less than 2 weeks

Result

No response

I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.

Round 1 - Technical

(2 Questions)

Q1. Why DevOps is needed in an organisation?

Ans.

DevOps is needed in an organization to improve collaboration between development and operations teams, increase efficiency, and deliver high-quality software faster.

Improves collaboration between development and operations teams
Increases efficiency in software development and deployment processes
Helps in delivering high-quality software faster
Automates repetitive tasks to reduce manual errors
Facilitates continuous inte...

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Q2. What is the difference between ADD vs COPY?

Ans.

ADD and COPY are Dockerfile instructions used to copy files and directories into a Docker image, but they have some key differences.

ADD allows for URLs and automatically extracts compressed files, while COPY only works with local files
COPY is recommended for copying local files and directories into an image, while ADD is more versatile but can be less predictable
ADD can be used to download files from the internet and a

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Devops Engineer Interview Questions & Answers

Tiger Analytics

Anonymous

posted on 6 Nov 2024

Interview experience

Good

Difficulty level

Hard

Process Duration

Less than 2 weeks

Result

Not Selected

I applied via Naukri.com and was interviewed in Oct 2024. There was 1 interview round.

Round 1 - Technical