Top 50 Kubernetes Interview Questions and Answers

Updated 7 Jul 2025

2w ago

Q. How Would You Implement Zero-Downtime Deployments in Kubernetes?

Ans.

Implementing zero-downtime deployments in Kubernetes involves using rolling updates and readiness probes.

  • Use rolling updates to gradually replace old pods with new ones

  • Configure readiness probes to ensure new pods are ready before routing traffic to ...read more

Q. Linux namespaces for k8s

Ans.

Linux namespaces are used in Kubernetes to provide isolated environments for containers.

  • Linux namespaces allow for creating isolated environments within a Linux system

  • Kubernetes uses namespaces to provide isolation for containers

  • Namespaces in Kuberne...read more

Asked in Network 18

1w ago

Q. How would you integrate Kafka with Kubernetes?

Ans.

Kafka can be integrated with Kubernetes for scalable and reliable event streaming.

  • Use Kubernetes StatefulSets to deploy Kafka brokers for persistent storage.

  • Utilize Kubernetes Services for load balancing and network communication.

  • Implement Kafka Conn...read more

2w ago

Q. How do you debug a Kubernetes deployment?

Ans.

Debugging kubernetes deployment involves identifying and resolving issues in the deployment process.

  • Check the deployment logs for errors and warnings

  • Verify the configuration files for correctness

  • Use kubectl commands to inspect the deployment status

  • Ch...read more

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Q. What are the differences between K6 and JMETER?

Ans.

K6 and JMeter are both performance testing tools, but they differ in architecture, scripting, and usability.

  • K6 uses JavaScript for scripting, making it more accessible for web developers, while JMeter uses XML-based configuration.

  • K6 is designed for m...read more

2w ago

Q. Design of Loadbalancer for Kubernetes

Ans.

Designing a Loadbalancer for Kubernetes involves using an Ingress Controller to route traffic to different services.

  • Use an Ingress Controller to manage external access to services within a Kubernetes cluster

  • Define Ingress resources to specify how inc...read more

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Asked in Capgemini

4d ago

Q. How do you deploy an application in Kubernetes?

Ans.

Deploying an app in Kubernetes involves creating a deployment configuration, defining pods, services, and managing resources.

  • Create a deployment configuration file specifying the app's image, ports, and replicas

  • Define pods to run the app containers

  • Cr...read more

Asked in Frontdoor

5d ago

Q. Explain the structure and purpose of a Kubernetes YAML file.

Ans.

Explanation of Kubernetes YAML file

  • Kubernetes YAML files are used to define and deploy applications on a Kubernetes cluster

  • They contain information about the application's containers, volumes, services, and other resources

  • YAML files can be used to cr...read more

Asked in Vantiva

2w ago

Q. Explain how you use Kubernetes in your project.

Ans.

I use Kubernetes to manage containerized applications, automate deployment, scaling, and operations.

  • Utilize Kubernetes to orchestrate and manage containers for seamless deployment and scaling

  • Leverage Kubernetes for automated rollouts and rollbacks of...read more

Asked in Arva Health

2d ago

Q. Have you worked on Docker/Kubernetes?

Ans.

Yes, I have experience working with Docker and Kubernetes.

  • I have used Docker to containerize applications for easier deployment and scaling.

  • I have experience with Kubernetes for managing containerized applications in a clustered environment.

  • I have se...read more

Kubernetes Jobs

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Senior Software Engineer – Data Engineer (DQME Core Layer) 8-13 years
CATERPILLAR INDIA ENGINEERING SOLUTIONS PRIVATE LIMITED
4.2
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Senior SRE - IT AI Platforms 5-10 years
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4.3
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Principal SRE - IT AI Platforms 10-15 years
Red Hat
4.3
₹ 35 L/yr - ₹ 50 L/yr
Bangalore / Bengaluru
1w ago

Q. What is the role of a NodePort type service?

Ans.

NodePort type service exposes a service on a specific port on all nodes in the cluster.

  • NodePort type service allows external traffic to access a service in a Kubernetes cluster

  • It assigns a static port on each node, which forwards traffic to the servi...read more

Asked in BitCot

2w ago

Q. Why use Kubernetes instead of Docker?

Ans.

Kubernetes offers more advanced orchestration capabilities compared to Docker.

  • Kubernetes provides automated scaling, load balancing, and self-healing for containers.

  • Kubernetes allows for easier management of complex containerized applications across ...read more

Asked in Infra360

4d ago

Q. What is your workflow for deploying applications on Kubernetes (K8s)?

Ans.

Deploying applications on Kubernetes involves creating Docker containers, defining deployment configurations, and managing resources.

  • Create Docker containers for the application

  • Define deployment configurations using YAML files

  • Use Kubernetes resources...read more

Asked in Cognizant

1w ago

Q. Tell me about your experience with Kubernetes cluster management.

Ans.

Kubernetes cluster management involves deploying, scaling, and managing containerized applications.

  • Automates deployment, scaling, and management of containerized applications

  • Provides self-healing capabilities for applications

  • Supports rolling updates ...read more

Asked in CometChat

2w ago

Q. Explain how to implement Kubernetes with AWS.

Ans.

Kubernetes can be implemented on AWS using Elastic Kubernetes Service (EKS) or self-managed Kubernetes clusters.

  • EKS is a managed Kubernetes service provided by AWS

  • Self-managed Kubernetes clusters can be set up using EC2 instances and other AWS servic...read more

Q. How do you use Docker and Kubernetes in your project?

Ans.

I use Docker for containerization and Kubernetes for orchestration in my project.

  • I use Docker to create lightweight, portable containers for my applications.

  • I use Kubernetes to automate deployment, scaling, and management of these containers.

  • I define...read more

Asked in Capgemini

2w ago

Q. Explain the concepts of Docker and Kubernetes.

Ans.

Docker is a platform for developing, shipping, and running applications in containers. Kubernetes is a container orchestration tool for managing containerized applications across a cluster of nodes.

  • Docker allows developers to package applications and...read more

Asked in ASUS

1w ago

Q. How does networking work on Kubernetes from a frontend to a backend application?

Ans.

Networking on Kubernetes involves creating services to allow communication between frontend and backend applications.

  • Kubernetes uses Services to abstract networking, allowing frontend to backend communication

  • Services can be of type ClusterIP, NodePor...read more

Q. K8's Deployment

Ans.

K8's Deployment refers to the deployment of applications on Kubernetes clusters.

  • Kubernetes (K8s) is an open-source container orchestration platform used for automating deployment, scaling, and management of containerized applications.

  • K8s Deployment i...read more

1w ago

Q. Complete aws with kubernets

Ans.

AWS is a cloud computing platform and Kubernetes is an open-source container orchestration platform. They can be integrated to deploy and manage containerized applications.

  • AWS provides infrastructure and services for hosting applications

  • Kubernetes au...read more

4d ago

Q. How do you write a Kubernetes service?

Ans.

A Kubernetes service is an abstraction that defines a logical set of Pods and a policy by which to access them.

  • Services allow communication between different parts of an application or between different applications.

  • Services can be exposed internally...read more

Asked in TCS

2w ago

Q. What is Docker What is k8s

Ans.

Docker is a platform for developing, shipping, and running applications in containers. k8s is a container orchestration tool.

  • Docker allows developers to package their applications and dependencies into a container, which can be easily deployed on any...read more

Asked in Accenture

2w ago

Q. How do you implement HTTP health checks in Kubernetes (K8s)?

Ans.

HTTP health checkup in K8s is a way to monitor the health of applications running in Kubernetes clusters.

  • HTTP health check is a method to periodically check the health of an application by sending HTTP requests to a specified endpoint.

  • In Kubernetes, ...read more

Q. Uses cases about kubernetes docker

Ans.

Kubernetes and Docker are popular tools for containerization and orchestration of applications.

  • Kubernetes is a container orchestration platform that automates the deployment, scaling, and management of containerized applications.

  • Docker is a container...read more

Asked in TCS

2d ago

Q. How can Docker be used to create images for running as pods in Kubernetes?

Ans.

Docker is used to create container images that can be run as pods in Kubernetes.

  • Docker is used to create lightweight, portable container images that contain all the dependencies needed to run an application.

  • Kubernetes (k8s) is a container orchestrati...read more

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