In Commvault, advanced installation and configuration often involve setting up "Media agents" and "Storage pools." Media agents manage data movement between clients and storage devices, while storage pools manage the allocation of storage resources.

Backup policies ensure consistent backup strategies and backup settings across backup operations in Commvault. These policies define rules and actions for backup processes, including frequency, type of backup (full, incremental, differential), retention periods, and storage destinations. This consistency helps maintain data integrity, compliance, and efficient backup operations.

Systems that host critical applications such as database servers and email systems benefit the most from application-aware backups. These systems often require consistent and reliable backups of application-specific data, which can only be achieved through application-aware backup methods. Backing up only file servers or workstations may not capture the necessary application data, leading to incomplete backups and potential data loss.

Option C is correct because role-based access control (RBAC) ensures improved data security by limiting access to sensitive data based on users' roles and responsibilities. This helps prevent unauthorized access and potential data breaches. RBAC is an essential security measure in data protection strategies, especially in environments handling sensitive information. Understanding RBAC's role in data security is crucial for implementing effective access control mechanisms.

Backup retention policies in Commvault define how long backups are retained in the storage infrastructure. They play a crucial role in data management, compliance adherence, and resource optimization by ensuring that data is retained for the required duration based on organizational policies and regulatory requirements.

Commvault facilitates testing and validation of disaster recovery plans through automated testing of backup and restore processes. This helps ensure that backup data is recoverable and meets recovery time objectives (RTOs) and recovery point objectives (RPOs) specified in the disaster recovery plans.

Storage reporting and monitoring tools offer visibility into storage capacity and data access patterns, allowing organizations to understand resource utilization and optimize storage infrastructure for better performance and efficiency.

Monitoring in Commvault helps in real-time identification of potential security breaches, which is crucial for compliance with data protection regulations. It allows administrators to detect unauthorized access or suspicious activities promptly.

Commvault offers various recovery options, including Synthetic Full Backup, which allows for quick restoration by combining full and incremental backups. This feature minimizes downtime and ensures data availability, enhancing data protection and business continuity.

Commvault's parallel processing feature provides fine-grained control over backup and recovery operations, allowing multiple data streams to be processed simultaneously. This parallelism enhances performance by reducing backup windows and improving data throughput. Understanding parallel processing capabilities in Commvault is essential for optimizing backup and recovery performance in enterprise environments.