Jenkins can be integrated with LDAP (Lightweight Directory Access Protocol) for role-based access control. LDAP integration enables the use of existing user accounts and groups for managing access to Jenkins resources.

The best practice involves using Shared Libraries to modularize and reuse parts of job definitions. Shared Libraries allow you to define common functionality and use it across multiple projects.

Jenkins can automatically poll source control systems like Git to detect changes in the source code. This enables Jenkins to trigger builds when changes are pushed to the repository.

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.

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.

Jenkins can be configured with load balancing strategies to handle a high volume of builds in large projects. Load balancing ensures the distribution of build tasks across available resources, optimizing performance.

The Cobertura Plugin is essential for generating advanced reporting metrics like test results and coverage in Jenkins. It integrates with Cobertura, a code coverage tool, to provide detailed insights into code quality and test coverage.

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.

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.

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.