What is the default AU size of an ASM disk group? What is the maximum AU size in an ASM disk group?()
A、 100KB default, 10TB maximum
B、 256KB default, 1024MB maximum
C、 10MB default, 126PB maximum
D、 64KB default, 1EB maximum
E、 1MB default, 64MB maximum
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Which files are required for a full recovery of the database in ARCHIVELOG mode?()
ADatabase datafiles
BOnline redo logs
CArchived redo logs
DBackup control file
EControl file from a backup
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What is the advantage of setting the ASM-preferred mirror read for the Stretch cluster configuration?()
A、 It improves resync operations.
B、 This feature enables much faster file opens.
C、 It improves performance as fewer extent pointers are needed in the shared pool.
D、 It improves performance by reading from a copy of an extent closest to the node.
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E1信道的数据速率是(15),其中的每个话音信道的数据速率是(16)。
A.1.544Mb/s
B.2.048Mb/s
C.6.312Mb/s
D.44.736Mb/s
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To set the history retention period for either window logging or job logging individually, which parameters of the SET_SCHEDULER_ATTRIBUTE procedure need to be used?()
ALOG_HISTORY
BJOB_LOG_RETENTION
CWINDOW_LOG_RETENTION
DWHICH_LOG
ELOG_NAME
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Which dependent object will get invalidated even if it is not affected by the table edefinition?()
A、 packages
B、 triggers
C、 synonyms
D、 views