对比法是项目后评估的常用方法，包括（）。对比的目的是要找出变化和差距，为提出问题和分析原因找到重点。 前后对比。 横向对比。 纵向对比。 有无项目的对比。 实际和过去的对比。
设计企业级别的重复数据删除虚拟磁带库解决方案时需要从哪些方面进行综合考虑（） 数据完整性或安全性。 性能。 扩展性。 需要满足现有策略和 SLAs。 以上皆对。
How should an administrator change the order in which host name lookup is performed so that it reads the host file before using DNS?（） Edit the /etc/inetd.conf file so that it reads 'local, bind'.。 Edit the /etc/resolv.conf file so that it reads 'local, bind'.。 Edit the /etc/netsvc.conf file so that it reads 'local, bind'.。 Edit the /etc/nslookup.conf file so that it reads 'local, bind'.。
You have three production databases, HRDB, FINDB, and ORGDB, that use the same ASM instance. At the end of the day, while all three production database instances are running, you execute the following command on the ASM instance : SQL> shutdown immediate; What is the result of executing this command?（） The ASM instance is shut down, but the other instances are still running.。 It results in an error because other database instances are connected to it.。 All the instances, including the ASM instance, are shut down in the IMMEDIATE mode.。 HRDB, FINDB, and ORGDB instances are shut down in the ABORT mode and the ASM instance is shut down in the IMMEDIATE mode.。
影响L-O-R三通卡环密封效果的因素包括密封件质量和（） 密封面的位置度。 密封面的表面光洁度。 密封面的润滑程度。 密封面的平整度。
A customer has an 8-way p5-570 with eight internal disk drives and AIX 5.2. Which of the following must be added， if anything， to the configuration to support four LPARs， assuming each LPAR requires twodisk drives？（）
