When discussing plant maintenance with plant maintenance managers, frequently the topic of using preventive maintenance (PM) comes up. If this is used extensively and the PM work orders are regularly completed, what is told by this about the operation?（） It is likely that equipment will break down frequently.。 It is likely that equipment will break down infrequently.。 It shows that maintenance is performed on an as needed basis.。 It shows that there are frequent crises when it comes to maintaining equipment.。
高速动平衡是用高速动平衡机进行高转速转子（）的动平衡，有时也称（）动平衡。
What is the correct command to stop the currently executing job "test" in JOBS job stream on a local machine？（） conman "k test"。 conman "cj test"。 conman "k jobs.test"。 conman "cj jobs.test"。
A database instance is using an Automatic Storage Management (ASM) instance, which has a disk group, DGROUP1, created as follows: SQL> CREATE DISKGROUP dgroup1 NORMAL REDUNDANCY FAILGROUP controller1 DISK '/devices/diska1', '/devices/diska2' FAILGROUP controller2 DISK '/devices/diskb1', '/devices/diskb2' ; What happens when the whole CONTROLLER1 Failure group is damaged?（） The transactions that use the disk group will halt.。 The mirroring of allocation units occurs within the CONTROLLER2 failure group.。 The data in the CONTROLLER1 failure group is shifted to the CONTROLLER2 failure group and implicit rebalancing is triggered.。 The ASM does not mirror any data and newly allocated primary allocation units (AU) are stored in the CONTROLLER2 failure group.。
初步设计在其概算经国家发展改革委核定后，由（）审批。 水利部。 电监会。 各省水利厅。 电力部。
What is the proper command to shut down the database in a consistent manner?（）
