In your database, the flash recovery area (FRA) is configured as the default for RMAN backups. You executed the following commands to configure the settings in RMAN: RMAN> CONFIGURE DEVICE TYPE disk PARALLELISM 2 BACKUP TYPE TO BACKUPSET; RMAN> CONFIGURE CHANNEL 1 DEVICE TYPE disk FORMAT '/home/oracle/disk1/%U'; RMAN> CONFIGURE CHANNEL 2 DEVICE TYPE disk FORMAT '/home/oracle/disk2/%U'; You issue the following RMAN command to backup the database: RMAN> RUN 2> { 3> ALLOCATE CHANNEL ch1 DEVICE TYPE disk; 4> BACKUP DATABASE; 5> } Which statement is true about the outcome?（） [" Only one channel is allocated and the backup is created in the flash recovery area"," Only one channel is allocated and the backup is created in the destination specified for channel 1"," Two channels are allocated and backup sets are created in the destinations specified for channels 1 and 2"," Three channels are allocated and backup sets are created in the destinations specified for channels 1, 2, and FRA"]
You are tuning RMAN to optimize performance. You want tape I/O to be asynchronous when you perform tape backups. Which action should you take？（） [" Set the BACKUP_TAPE_IO_SLAVES parameter to FALSE"," Set the BACKUP_TAPE_IO_SLAVES parameter to TRUE"," Use compression when performing tape backups"," Configure multiple SBT channel"]
服务级别管理过程的目标是什么（） ["以最低的成本为顾客提供高质量的服务；","确保对重大事件能及时通报和协调；","确保顾客所需的IT服务得到持续的维护和改进；","获得顾客的广大理解和支持"]
Given： What is the result？（） ["1","2","12","Compilation fails.","No output is produced.","An exception is thrown at runtime."]
WWW系统性能由以下几方面决定（） ["硬件决策","操作系统的选择","ISP的服务","应用服务器软件的选择","网站的访问量"]
基本理念。
