Which two of statements are true？（） It is possible to synchronize static methods.。 When a thread has yielded as a result of yield（）， it releases its locks.。 When a thread is sleeping as a result of sleep（）， it releases its locks.。 The Object.wait（） method can be invoked only from a synchronized context.。 The Thread.sleep（） method can be invoked only from a synchronized context.。 When the thread scheduler receives a notify（） request， and notifies a thread， that thread immediately releases its lock.。
You are managing an Oracle Database 11g instance with ASM storage. The ASM instance is down. To know the details of the disks in the DATA disk group ，you issued the following ASMCMD command： ASMCMD> lsdsk -I -d DATA Which statement is true regarding the outcome of this command？（） The command succeeds but it retrieves only the disk names.。 The command produces an error because the ASM instance is down.。 The command succeeds but it shows only the status of the ASM instance.。 The command succeeds and retrieves information by scanning the disk headers based on an ASM_DISKSTRING value.。
在污水处理设备中，往经过分离槽的污水中加凝聚剂的应是：（） 混合槽。 凝聚槽。 沉淀槽。
通过IT服务管理可导向到（） 关注、顾客及其业务。 提升技术能力。 增强IT服务的价值。 改进IT服务的效率。
In which situation will you run the script containing the following statement？（） CREATE CONTROLFILE REUSE DATABASE SALES NORESETLOGS ARCHIVELOG MAXLOGFILES 20 MAXLOGMEMBERS 3 MAXDATAFILES 30 MAXINSTANCES 10 MAXLOGHISTORY 1200 LOGFILE GROUP 1 （ ’/disk1/prod/orders/db/log1a.dbf’， ’/disk2/prod/orders/db/log1b.dbf’ ）SIZE 100K GROUP 2 （ ’/disk1/prod/orders/db/log2a.dbf’， ’/disk2/prod/orders/db/log2b.dbf’ ） SIZE 100K， DATAFILE ’/disk1/prod/orders/db/database1.dbf’， ’/disk2/prod/orders/db/file1.dbf ’； when all the control files are missing and only a binary backup of the current control file exists。 when a multiplexed copy of the current control file is missing。 when all the control files are missing and only an ASCII representation of the binary control file exists。 when the SPFILE is missing。
Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client while connecting to the database instance from a remote machine？（）
