A technician notices that the weekly backup is taking too long to complete.

Comprehensive and Detailed Explanation From Exact Extract:

A synthetic full backup combines the last full backup with subsequent incremental backups to create a new full backup without re-reading data from the source system. This method significantly reduces the backup window and network impact. It is especially useful when traditional full backups are too time-consuming.

A. Changing the backup window only shifts timing, not duration.

B. Incremental weekly backups would lack a proper full recovery point and aren't ideal alone.

C. Storage space isn't the bottleneck in backup speed—it’s read/write operations and network load.