Netomi Interview Questions, Process, and Tips

Q1. Can you explain the core components of kubernetes and their roles?
Ans. 
Kubernetes core components include Pods, Nodes, Services, Deployments, and ConfigMaps.
• Pods: Smallest deployable units in Kubernetes, can contain one or more containers.

• Nodes: Individual machines in a Kubernetes cluster where Pods are deployed.

• Services: Abstraction that defines a logical set of Pods and a policy by which to access them.

• Deployments: Manages the deployment and scaling of a set of Pods.

• ConfigMaps: Decouple...read more
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Q2. How do you scale application in kubernetes?
Ans. 
Scaling applications in Kubernetes involves horizontal scaling, using tools like HPA and cluster autoscaler.
• Use Horizontal Pod Autoscaler (HPA) to automatically adjust the number of pods based on CPU or memory usage.

• Implement Cluster Autoscaler to dynamically adjust the size of the Kubernetes cluster based on resource demands.

• Utilize Kubernetes StatefulSets for stateful applications that require scaling with stable net...read more
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Q3. What is the difference between HPA and VPA? Explain with their use-case
Ans. 
HPA is Horizontal Pod Autoscaler for scaling pods based on CPU utilization, while VPA is Vertical Pod Autoscaler for adjusting resource requests based on resource usage.
• HPA scales the number of pods in a deployment based on CPU utilization, ensuring optimal performance and resource utilization.

• VPA adjusts the resource requests of pods based on resource usage, allowing for efficient resource allocation within a cluster.

• ...read more
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Q1. What happens to the deployed workload within a kubernetes cluster in case the master goes down?
Ans. 
In case the master goes down in a Kubernetes cluster, the deployed workload continues to run as the worker nodes are still operational.
• The worker nodes in the Kubernetes cluster continue to operate and manage the deployed workload even if the master node goes down.

• The worker nodes are responsible for running the containers and maintaining the desired state of the cluster.

• The master node being down may affect the abilit...read more
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Q2. What the different functionalities of individual components of a kubernetes cluster?
Ans. 
Individual components of a Kubernetes cluster have different functionalities such as scheduling, networking, storage, and monitoring.
• Kubelet: Responsible for communication between the master node and worker nodes, managing containers on the node.

• Kube-proxy: Manages network routing for services within the cluster.

• Kube-controller-manager: Ensures that the desired state of the cluster matches the actual state.

• Etcd: Key-va...read more
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Q3. Suppose I want to schedule my pods based on limits instead of requested resources, what would I need to do?
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Q1. Can we perform data driven testing using postman
Ans. 
Yes, Postman supports data driven testing through the use of variables and data files.
• Postman allows users to define variables and use them in requests for data driven testing.

• Data files such as CSV or JSON can be imported into Postman to drive test data.

• Iterations can be set up in Postman to run tests with different data sets.
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Q2. Basic coding questions on integer array missing numbers
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Basic array questions

Q1. Must know about automation technologies and their basic implementations
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Q2. DSA questions and Scenario based coding
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Q1. Framework development on Amazon.in
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