When tuning a network module what is the purpose of the grace period?() ["It defines the maximum permissible time period between missed heartbeats before a failure is detected","It defines the time period to wait to activate the network module after starting the cluster manager","It defines the period between detecting a missed heartbeat and initiating a network down, allowing thenetwork to stabilize","It defines the time period during which, after a network failure was detected, further network failures of thesame type will be ignored"]
A support engineer reports that inserting new sales transactions in a SQL Server 2005 database results in an error. You investigate the error. You discover that in one of the databases, a developer has accidentally deleted some data in a table that is critical for transaction processing. The database uses the full recovery model. You need to restore the table. You need to achieve this goal without affecting the availability of other data in the database. What should you do?() [" Back up the current transaction log. Restore the database with a different name and stop at the point just before the data loss. Copy the table back into the original database."," Back up the current transaction log. Restore the database to the point just before the data loss."," Restore the database from the existing backup files to a time just before the data loss."," Restore the database to the point of the last full backup."]
完整的毒理学评价通常可划分为()等四个阶段的试验研究,并结合人群资料进行。 ["急性毒性试验","亚急性毒性试验和致突变试验","亚慢性毒性试验和代谢试验","慢性毒性试验和致癌试验"]
103型分配阀放风阀弹簧自由高为()。 ["35.5~34mm","42.5~363mm","52.5~48.3mm","50.5~46.5mm"]
View the Exhibit to examine the output of the DBA_OUTSTANDING_ALERTS view. After 30 minutes, youexecuted the following command: SQL> SELECT reason,metric_value FROM dba_outstanding_alerts; REASON METRIC_VALUE------------------------------ ---------------------- Tablespace [TEST] is [28 perce 28.125 nt] fullWhat could be the reason for the elimination of the other rows in the output() ["An Automatic Workload Repository snapshot has been taken recently.","The non-threshold-based alerts are transferred to DBA_ALERT_HISTORY.","The threshold alerts conditions are cleared and the alerts are transferred to DBA_ALERT_HISTORY.","The threshold alerts related to database metrics are permanently stored in DBA_ALERT_HISTORY but notthe threshold alerts related to instance metric"]
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