The nice value is 60 in the ps listing. Which command is used to change this to a value of 20？（） renice -n -20 {PID}。 renice -n 20 {PID}。 renice -n -40 {PID}。 renice -n 40 {PID}。
某评估机构采用统计分析法对一企业的固定资产进行评估。其中砖混结构建筑物10栋，账面原值500万元；设备100台，账面原值1000万元。评估中对3栋具有代表性的建筑物进行估算，其重置成本为180万元，而该3栋建筑物的账面原值为165万元；同时选择10台具有代表性的设备进行了评估，其重置成本为150万元，而该10台设备的账面原值为120万元；则该企业被评估建筑物及设备的重置成本最接近于（）。 1736.85万元。 1795.45万元。 1818.36万元。 2100万元。
You are in the process of creating a virtual private catalog in your Oracle Database 11g database. The PROD1, PROD2, and PROD3 Oracle Database 10g databases are registered in the base recovery catalog. The database user who owns the base recovery catalog is CATOWNER. CATOWNER executes the following command to grant privileges to a new user VPC1 using Oracle Database 11g RMAN executables: What is the outcome of the above commands?（） They execute and create a virtual catalog for pre-Oracle 11g clients.。 They produce an error because PROD1 and PROD2 databases belong to the older version.。 They produce an error because you need to connect as CATOWNER to execute this packaged procedure.。 They produce an error because you need to connect to the target database to execute this packaged procedure.。
请简要说明已经进入维护阶段的发电机绝缘测试的内容、步骤.
A 1500 page print job was sent to the "pel" queue. The job was running for several minutes before it was determined that the job was not needed. Which of the following options will delete the job（） Ipstat Queue Dev Status Job Files User PP % Hks Cp Rnk pd pel RUNNING 201 STDIN.27648 root 750 10 1000 1 1 kill 201。 cancel 201。 disable pel。 Ip-d/var/spool/lpd/STDIN.27648。
During an attempt to mount filesystems on the datavg volume grou, the following error message occurs: "0506-323 Cannot get information about log device loglv00." The error is due to the fjslog used by these filesystems is located on a bad disk.Which of the following procedures should be performed to fix the error?（）
