There is the possibility that hdisk1 in the root volume group is going bad. A decision has been made to replace the disk. After saving all of the data from the disk and unmounting any filesystems on the disk, which of the following commands should be run before removing the disk from the system?（） chgv -a n hdisk rootvg; rmdev -1 hdisk1 -d。 rmdev -1 hdisk1 -d; reducevg -df rootvg hdisk1。 reducevg -df rootvg hdisk1; rmdev -1 hdisk1 -d。 reducevg -df rootvg hdisk1; rmdev -1 hdisk1。
红细胞代谢所需能源主要来自（） 脂质。 葡萄糖代谢产生ATP。 蛋白质代谢。 Na↑<+>-K↑<+>泵。
A team of programmers is involved in reviewing a proposed design for a new utility class. After some discussion, they realize that the current design allows other classes to access methods in the utility class that should be accessible only to methods within the utility class itself. What design issue has the team discovered?（） Tight coupling。 Low cohesion。 High cohesion。 Loose coupling。 Weak encapsulation。 Strong encapsulatio。
A customer has a p650 with a write-intensive database application. Recently the order entry team has complained about unusually slow response times. There have been no complaints from any other departments. Which of the following actions would most likely address the problem？（） Double the number of processors.。 Double the number of memory DIMMs.。 Double the number of network adapters.。 Double the number of SCSI buses and disks.。
The SQL Tuning Advisor configuration has default settings in your database instance. Which recommendation is automatically implemented after the SQL Tuning Advisor is run as part of the automatic maintenance task?（） statistics recommendations。 SQL Profile recommendations。 Index-related recommendations。 restructuring of SQL recommendatio。
A system administrator has determined that there is no network connectivity with the en0 interface. By doing a netstat -in, it is determined that the en0 interface is not showing up. Which of the following commands should be used to determine that en0 is defined in ODM with an IP address?（）
