Which statement is TRUE about the CacheFactory class ？（） it is a topology agnostic way to access NamedCaches。 it provides mechanisms to manage underlying remote data sources。 both A and B are TRUE。 Neither A nor B are TRUE。
天然气脱硫是指脱出天然气中的（） 硫化氢、二氧化碳、一氧化碳。 硫化氢、二氧化碳、有机硫化物。 二氧化碳、一氧化碳有机硫化物。 硫化氢、一氧化碳有机硫化物。
Because of hardware failure， you decided to drop a redo log member from the database. Which condition should be met to drop a redo log file？（） The redo log file should belong to an active group.。 The redo log file should belong to an inactive group.。 The redo log file should belong to the current group.。 The redo log file can be dropped only if all the transactions are stopped.。 Before a redo log file is dropped， it should be deleted from the operating system （OS）.。
Which statement is true about the Manageability Monitor （MMON） background proces（） It transfers statistics from memory to disk at regular intervals.。 It coordinates the rebalance activity for disk groups when ASM is used.。 It communicates with the Automatic Storage Management （ASM） instance on behalf of the databaseinstance.。 It performs dynamic memory management when Automatic Shared Memory Management is enabledfor the database instance.。
改进IT服务管理需要进行一系列的活动，首选要做的工作是哪项（） IT部门要组织进行现状评估。 相关方共同确定服务管理的远景目标。 高层管理者提供资源并作出承偌。 做出服务改进的规划。
In your multitenant container database (CDB) with two pluggable database (PDBs). You want to create a new PDB by using SQL Developer.
Which statement is true?（）
