Power Exchange India Interview Questions and Answers

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 availability requirements.

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

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 patterns

• HPA can be used with custom metrics like queue length o...read more

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 manually triggered.

• Examples of environments include 'Dev', 'QA', ...read more

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 Server, Exchange, and SharePoint.

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 properly can also help prevent conflicts.