The use of a Dependency Manager can resolve conflicts in a Jenkins pipeline caused by dependency issues. It helps manage and resolve dependencies efficiently, ensuring a smoother pipeline execution.

A Jenkinsfile is primarily used for defining the pipeline as code. It allows you to describe the entire build process, including stages, steps, and conditions, in a script format that can be versioned along with your code.

In a parameterized build, the "Array" parameter type is used for accepting multiple string inputs. This allows users to input a list of values during the build process.

The Node Management plugin is vital for managing and scaling Jenkins nodes in a distributed setup. It allows administrators to add, remove, and monitor nodes, ensuring efficient resource utilization.

Large-scale Jenkins projects often require the use of Pipeline plugins. Pipelines allow for defining complex build and deployment workflows as code, offering enhanced functionality and flexibility.

The process of automatically installing and configuring plugins during Jenkins setup is known as Bootstrapping. It ensures that the required plugins are set up and ready for use.

It is recommended to check and apply updates to Jenkins at least once a month to ensure that the system benefits from the latest features, security patches, and bug fixes.

For advanced reporting in Jenkins, the integration of ELK Stack (Elasticsearch, Logstash, and Kibana) is essential. ELK Stack provides powerful log analysis and visualization capabilities, offering detailed insights into the CI/CD process and facilitating troubleshooting.

User permissions in Jenkins can be fine-tuned using the Matrix-based authorization strategy. This strategy allows administrators to assign specific permissions to users or groups for different Jenkins resources.

Configuring Jenkins with email notifications is a common practice for real-time build failure alerts. Email provides a reliable communication channel, and Jenkins can be set up to send notifications to relevant team members in case of build failures.

Implementing a Backup and Restore system within Jenkins is crucial for quickly restoring functionality in case of system failures. Regular backups help in safeguarding Jenkins configurations and data.

To improve build times, configuring caching for frequently used dependencies can be effective. Caching dependencies locally reduces the need to fetch them repeatedly, thereby speeding up the build process.