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A complete database backup to media is taken for your database every day. Which three actions would you take to improve backup performance?
Correct Answer: B,C,D
Explanation/Reference: Explanation: Tuning RMAN Backup Performance: Procedure Many factors can affect backup performance. Often, finding the solution to a slow backup is a process of trial and error. To get the best performance for a backup, follow the suggested steps in this section: Step 1: Remove RATE Parameters from Configured and Allocated Channels Step 2: If You Use Synchronous Disk I/O, Set DBWR_IO_SLAVES Step 3: If You Fail to Allocate Shared Memory, Set LARGE_POOL_SIZE Step 4: Tune RMAN Tape Streaming Performance Bottlenecks Step 5: Query V$ Views to Identify Bottlenecks Reference:https://docs.oracle.com/database/121/BRADV/rcmtunin.htm#BRADV172