元认知
You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement should you use to enable the block change tracking feature?（） ALTER DATABASE ENABLE BLOCK CHANGE TRACKING;。 ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE <path>;。 ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE <path>;。 ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING。
采用收益法评估无形资产时采用的折现率应包括（）。 资金利润率、行业平均利润率。 银行贴现率。 超额收益率、通货膨胀率。 无风险利率、风险报酬率和通货膨胀率。
Company.com recently updated the programs used in an HACMP pre-event. The procedure Involved coping the new code over the old code in the appropriate directory on one of the nodes as indicated by the HACMP event entry. The cluster was synchronized. During a fallover test，the backup system did not behave as expected.What is the most likely problem？（） The new pre-event program was node locked to a hostname。 The new pre-event program was not made executable on al nodes.。 The new pre-event program was not compatible with the backup machine.。 The new pre-event program was not propagated to all the nodes in the cluster.。
教科书问题解决的过程是（） 建立表征理解问题解决问题检验答案。 理解问题检验答案建立表征解决问题。 理解问题建立表征解决问题检验答案。 建立表征解决问题理解问题检验答案。
（）首次对“海岸工程”进行明确界定，并规定海岸工程项目建设单位必须在可行性研究阶段，编制环境影响报告书或报告表。
