黏液质的高级神经活动类型的基本特征是（） 强、平衡、灵活。 强、不平衡。 强、平衡、不灵活。 弱。
水利水电建设工程竣工验收的成果是（），他也是工程移交的依据。 “竣工验收报告书”。 “竣工验收合格书”。 “竣工移交鉴定书”。 “竣工验收鉴定书&rdquo。
In your production database， you have observed that the database server performance degrades whenever there is a switch between the log groups. On further investigation， you find that the database is running in ARCHIVELOG mode and the archived log files are being written to the same disk that is used to store the redo log members. Which two actions would you take to improve the performance of the database server？ （） increase the size of the redo log buffer。 increase the number of redo log groups。 increase the number of log writer processes。 increase the number of ARCn processes。 change the appropriate LOG_ARCHIVE_DEST_n parameter to place the archived log files in a separate locatio。
What is the end result of these commands if they are successful？（） RMAN> show retention policy； RMAN configuration parameters for database with db_unique_name ORCL are： CONFIGURE RETENTION POLICY TO REDUNDANCY 1； # default Backup database tag=gold_copy plus archivelog tag=gold_copy delete input； Backup database tag=silver_copy plus archivelog tag=silver_copy delete input； Attempting to restore silver_copy will fail.。 Attempting to restore gold_copy will fail.。 Both backups will be available for restore without question.。 Attempting to restore gold_copy may or may not succeed.。 You will not be able to restore either gold_copy or silver_copy.。
在城区施工，项目应在工程开工（）d前到当地县级以上政府环境管理部门办理申报登记。 7。 15。 20。 30。
For a given Ethernet network， the failure cycle is set to 5 seconds and the heartbeat rate is set to 2 seconds.Given these values， what is the failure detection time for the network （in seconds）？（）
