When you are allowing RMAN to backup your archived redo log files,how does RMAN know which archived redo logs to back up from your archive log destination?()
A. RMAN keeps a list of archive logs in a text file.
B. The DBA must manually tell RMAN which archive logs to backup.
C. RMAN has access to target control file and/or catalog information.
D. RMAN looks at the ARCHIVE_LOG_DEST parameter of your target database and backs up all archive logs found.
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第三代计算机网络是具有统一的网络体系结构并遵循国际标准的开放式和标准化的网络。
A. 正确
B. 错误
发电机内部短路故障发生后,差动保护应()
A. 在0.02-0.06秒内进行
B. 经1秒延时后进行
C. 经反延时后进行
D. 在0.1-1秒内进行
棒料毛坯端面粗加工时,使用()指令可简化编程。
A. G70
B. G71
C. G72
D. G73