Description: Node integration in Jenkins refers to the process of connecting nodes to the Jenkins master for job execution. In this context, a ‘node’ is any machine used to run jobs, which can be a physical server, a virtual machine, or a container. Jenkins’ architecture is based on a master-agent model, where the master manages configuration and job distribution, while agents execute those jobs. This integration allows development teams to distribute workload, optimizing resource use and speeding up the continuous delivery process. Nodes can be configured to run different types of jobs, providing great flexibility in the continuous integration and delivery (CI/CD) environment. Additionally, node integration facilitates scalability, as nodes can be added or removed as needed, adapting to project demands. Node configuration also allows for testing in different environments, which is crucial for ensuring software quality. In summary, node integration is an essential component of Jenkins that enhances its ability to handle multiple tasks efficiently and effectively, contributing to an agile and optimized workflow in software development.