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I applied via Campus Placement and was interviewed before May 2023. There were 2 interview rounds.
Its a aptitude test and mode was online
I was interviewed before Mar 2021.
Round duration - 60 Minutes
Round difficulty - Medium
This round started with some basic questions from DevOps followed by some more questions from Docker and Linux.
Continuous Testing (CT) is the process of executing automated tests as part of the software delivery pipeline to obtain immediate feedback on the business risks associated with a software release candidate.
CT helps in identifying defects early in the development cycle.
It ensures that the software is always in a releasable state.
CT integrates testing into the CI/CD pipeline for faster feedback loops.
Examples include run...
AWS provides a wide range of services and tools that support the principles and practices of DevOps.
AWS offers infrastructure as code tools like CloudFormation and Terraform for automating the provisioning of resources.
AWS provides a variety of monitoring and logging services such as CloudWatch and CloudTrail to help with continuous monitoring and feedback loops.
AWS supports continuous integration and continuous deploy...
A Docker image registry is a repository for storing and managing Docker images.
It allows users to push and pull Docker images to and from the registry.
Popular Docker image registries include Docker Hub, Amazon ECR, and Google Container Registry.
Registries can be public or private, with private registries requiring authentication for access.
Docker has 3 main components: Docker Engine, Docker Images, and Docker Containers.
Docker Engine is the core component responsible for running and managing Docker containers.
Docker Images are read-only templates used to create Docker containers.
Docker Containers are lightweight, standalone, and executable packages that include everything needed to run a piece of software.
The lifecycle of a Docker container involves creation, running, pausing, restarting, and stopping.
1. Creation: A Docker container is created from a Docker image using the 'docker run' command.
2. Running: The container is started and runs the specified application or service.
3. Pausing: The container can be paused using the 'docker pause' command, which temporarily stops its processes.
4. Restarting: The container can be...
LVM stands for Logical Volume Manager, used to manage disk space efficiently by allowing for dynamic resizing of volumes.
LVM allows for easy resizing of volumes without the need to unmount the filesystem
It provides features like snapshots, striping, mirroring, and thin provisioning
LVM can span multiple physical disks to create a single logical volume
Load average in Linux is a measure of system activity, indicating the average number of processes waiting for CPU time over a period of time.
Load average is displayed as three numbers representing the average load over the last 1, 5, and 15 minutes.
A load average of 1.0 means the system is at full capacity, while a load average of 0.5 means the system is half as busy.
High load averages may indicate that the system is o...
Round duration - 60 Minutes
Round difficulty - Medium
This round started with me first giving a brief intro about my experience in the DevOps sector and then the interviewer switched to asking me questions about Git , Docker and Kubernetes.
The command used to delete a branch in Git is 'git branch -d <branch_name>'.
Use 'git branch -d <branch_name>' to delete a branch in Git.
Make sure to switch to a different branch before deleting the branch.
If the branch has not been merged, use 'git branch -D <branch_name>' to force delete.
Git reflog is a reference log that records changes to the HEAD of the repository.
Records all changes to the HEAD reference
Useful for recovering lost commits or branches
Can be accessed using 'git reflog' command
git revert undoes a specific commit by creating a new commit, while git reset moves the HEAD to a previous commit without creating a new commit.
git revert creates a new commit that undoes a specific commit, keeping the commit history intact
git reset moves the HEAD to a previous commit, potentially discarding changes made after that commit
git revert is safer for shared branches as it does not rewrite history, while git ...
CMD specifies the default command to run in the container, while ENTRYPOINT specifies the executable to run when the container starts.
CMD is often used to provide default arguments for the ENTRYPOINT command
ENTRYPOINT is used to specify the executable that will run when the container starts
CMD can be overridden at runtime by passing arguments to docker run command
ENTRYPOINT cannot be overridden at runtime, but can be c
Monitoring a Kubernetes cluster involves using tools like Prometheus, Grafana, and Kubernetes Dashboard.
Use Prometheus for collecting metrics from Kubernetes components and applications running on the cluster.
Set up Grafana for visualizing the collected metrics and creating dashboards for monitoring.
Utilize Kubernetes Dashboard for a graphical interface to view and manage the cluster resources.
Implement alerts and noti...
Kubernetes Load Balancing is a method to distribute incoming network traffic across multiple pods in a Kubernetes cluster.
Kubernetes Load Balancer service type automatically creates a cloud provider load balancer.
It helps in scaling applications by distributing traffic evenly across multiple pods.
Load balancing ensures high availability and reliability of applications running in a Kubernetes cluster.
Jenkins is an open-source automation server that helps to automate the non-human part of the software development process.
Jenkins is a Java-based application that runs in a servlet container like Apache Tomcat.
It can be installed on a single server or distributed across multiple servers for scalability.
Jenkins uses plugins to extend its functionality, allowing integration with various tools and technologies.
It follows ...
Round duration - 30 Minutes
Round difficulty - Easy
This was a typical HR round with some standard Behavioral questions.
Tip 1 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 2 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I applied via Company Website and was interviewed in Mar 2020. There was 1 interview round.
The VPN port used for UDP is typically 500.
The VPN port used for UDP is usually port 500.
UDP is a protocol that allows for faster transmission of data but does not guarantee delivery or order of packets.
Port 500 is commonly used for IPsec VPNs, which provide secure communication over the internet.
Other VPN protocols may use different ports for UDP, so it's important to check the specific configuration.
Syntax for grep command and regex
grep [options] pattern [file]
Regular expression (regex) is used to define the pattern
Examples: grep 'hello' file.txt
grep -i 'hello' file.txt
grep -r 'hello' /path/to/directory
You can use the Docker API to remotely run Docker commands on a Linux server without taking a separate SSH session.
Use the Docker API to interact with the Docker daemon on the remote Linux server.
Make sure Docker is installed and running on both your laptop and the remote server.
Authenticate with the remote server using appropriate credentials.
Establish a connection to the Docker daemon on the remote server using the D...
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I applied via Naukri.com and was interviewed before Jan 2021. There were 4 interview rounds.
Basic Exam about your knowledge.
We have to speak out properly and clear with our opinion.
I applied via Job Portal and was interviewed before May 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Jul 2021. There was 1 interview round.
I was interviewed in May 2021.
I applied via Job Portal and was interviewed before Mar 2023. There was 1 interview round.
posted on 9 Dec 2022
I applied via Naukri.com and was interviewed in Nov 2022. There were 2 interview rounds.
The .NET pipeline build process involves several steps including source code management, building, testing, and deployment.
Source code is managed using a version control system like Git.
The build process involves compiling the code and creating an executable or library.
Unit tests are run to ensure the code is functioning correctly.
The application is deployed to a testing or staging environment for further testing.
Once ...
NuGet is a package manager for .NET that simplifies the process of finding, installing, and using third-party libraries.
NuGet can be installed using Visual Studio or the NuGet command-line interface (CLI).
NuGet restore is used to restore the packages listed in a project's packages.config file.
NuGet packages can be used to add functionality to a project, such as libraries, tools, and frameworks.
NuGet also allows for the...
Approval request procedure in pipelines involves manual or automated approval process before deployment.
Approval request is triggered when a pipeline reaches a certain stage or before deployment.
The request can be manual or automated depending on the pipeline configuration.
Manual approval requires a designated person to review and approve the request.
Automated approval can be based on predefined rules or conditions.
App...
I would follow the incident management process to identify the root cause and resolve the issue as quickly as possible.
Notify the relevant stakeholders and initiate the incident management process
Identify the root cause of the issue and take corrective actions
Rollback to the previous stable version if necessary
Communicate the status and progress of the incident to stakeholders
Conduct a post-incident review to identify
Yes, I have written Docker files from scratch. The syntax for Docker file includes instructions and arguments.
Docker file is a script that contains instructions to build a Docker image
The syntax includes instructions like FROM, RUN, COPY, CMD, etc.
Arguments are used to specify details like the base image, working directory, etc.
Example: FROM ubuntu:latest RUN apt-get update && apt-get install -y python3
Example: COPY .
Docker commands used inside a Dockerfile
FROM - specifies the base image
RUN - executes a command in the container
COPY - copies files from host to container
WORKDIR - sets the working directory for subsequent commands
CMD - specifies the command to run when the container starts
To run a Docker file, use the 'docker build' command followed by the path to the Dockerfile.
Navigate to the directory containing the Dockerfile
Run the command 'docker build -t
The '.' at the end of the command specifies the build context
Once the build is complete, run the container using 'docker run
Azure Keyvaults are used to securely store and manage cryptographic keys, secrets, and certificates.
Keyvaults provide a centralized location for managing secrets and keys used in applications.
They allow for secure storage and retrieval of sensitive information such as passwords, API keys, and certificates.
Keyvaults can be accessed programmatically through APIs or through the Azure portal.
They can also be integrated wit...
To give permission to a secret, grant access to the user or application in the secret management tool.
Access control can be managed through the secret management tool.
Users or applications can be granted read or write access to a specific secret.
Access can be granted based on roles or individual permissions.
Examples of secret management tools include HashiCorp Vault and AWS Secrets Manager.
My strategy for Kubernetes cluster is to ensure high availability, scalability, and efficient resource utilization.
Implementing auto-scaling to handle sudden spikes in traffic
Using Kubernetes' built-in features like horizontal pod autoscaling and cluster autoscaling
Ensuring proper resource allocation and utilization through resource quotas and limits
Implementing rolling updates to minimize downtime
Using Kubernetes' bui...
Autoscaling in Kubernetes can be achieved through Horizontal Pod Autoscaler (HPA) and Cluster Autoscaler.
Horizontal Pod Autoscaler (HPA) scales the number of pods based on CPU utilization or custom metrics.
Cluster Autoscaler scales the number of nodes in the cluster based on resource utilization.
HPA can be configured using kubectl autoscale command or through YAML file.
Cluster Autoscaler can be installed as a Kubernete...
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