CloudRaft Interview Questions and Answers

Q1. Around Devops, cloud, CloudNative and Open source
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Q2. Different Linux command used in daily life of devops Engineer
Ans. 
Various Linux commands are essential for a DevOps Engineer's daily tasks.
• ls - list directory contents

• cd - change directory

• pwd - print working directory

• grep - search for patterns in files

• chmod - change file permissions

• tar - archive files

• ssh - secure shell for remote access

• ps - display information about running processes

• top - display and update sorted information about processes

• find - search for files in a directory hier
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Q3. Working of kubevirt
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Kubevirt is a Kubernetes extension that allows running virtual machines alongside containers.
• Kubevirt extends Kubernetes to support virtual machines as first-class citizens.

• It enables users to manage VMs using kubectl commands.

• Kubevirt uses Kubernetes resources like Pods and Services to manage VMs.

• It provides a way to define VMs using YAML manifests.

• Users can create and run VMs using Kubevirt in a Kubernetes cluster.
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Q4. Kubernetes Archiecture
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Q1. All about Kubernetes
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Q2. Different types of service
Ans. 
Different types of services include web services, cloud services, and microservices.
• Web services: Services that are accessed over the internet using standard protocols like HTTP.

• Cloud services: Services provided by cloud computing providers, such as AWS, Azure, and Google Cloud.

• Microservices: Architectural style where an application is composed of small, independent services that communicate over APIs.
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Q3. How DNS works in kubernetes?
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DNS in Kubernetes is used to resolve domain names to IP addresses for services running in the cluster.
• Kubernetes uses CoreDNS as the default DNS server for service discovery within the cluster.

• Each service in Kubernetes gets a DNS name in the format <service-name>.<namespace>.svc.cluster.local.

• Pods can resolve DNS names of other services within the cluster using the built-in DNS resolution mechanism.

• Externa...read more
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Q4. Working of ingress
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Ingress is a Kubernetes resource that manages external access to services within a cluster.
• Ingress routes external traffic to services based on rules defined in the Ingress resource.

• Ingress controllers are responsible for implementing the rules set in the Ingress resource.

• Ingress can provide features like SSL termination, load balancing, and path-based routing.

• Ingress resources typically include rules for hostnames, pa...read more
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Q1. What are queues? Explain the different types.
Ans. 
Queues are data structures that follow the First In First Out (FIFO) principle. Different types include linear queues, circular queues, and priority queues.
• Linear queues: Elements are added at the rear and removed from the front.

• Circular queues: Elements are added and removed in a circular manner.

• Priority queues: Elements are removed based on priority levels assigned to them.
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Q2. How to build a progress bar, which works realtime?
Ans. 
To build a real-time progress bar, use JavaScript setInterval to update the progress continuously.
• Use HTML/CSS to create the progress bar UI.

• Use JavaScript setInterval function to update the progress bar at regular intervals.

• Calculate the progress percentage based on the current progress and total progress.

• Update the progress bar width/style dynamically based on the calculated percentage.
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Q3. What projects you work on?
Ans. 
I have worked on projects involving automation of CI/CD pipelines, infrastructure as code, and monitoring tools.
• Automation of CI/CD pipelines using tools like Jenkins and GitLab

• Implementing infrastructure as code using Terraform and Ansible

• Setting up monitoring tools like Prometheus and Grafana

• Integrating automated testing into CI/CD pipelines
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Mostly all about Kubernetes and some DevOps tools. Also asked me to build a simple HTTP Service

Q1. Tell us about your previous work experience.
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Q2. Explain the recruitment process
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Q1. Introduce Yourself
Ans. 
I am a recent graduate with a degree in Marketing, eager to apply my knowledge and skills in a professional setting.
• Recent graduate with a degree in Marketing

• Passionate about applying marketing knowledge in a professional setting

• Eager to learn and grow in the field
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Q2. Marketing Experiences
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I have experience creating social media campaigns, conducting market research, and analyzing consumer behavior.
• Created and managed social media campaigns for a clothing brand

• Conducted market research to identify target audience for a new product launch

• Analyzed consumer behavior data to optimize email marketing strategies
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