Your database is functional with a peak load for the last one hour. You want to preserve the performancestatistics collected during this period to be used for comparison when you analyze the performance of thedatabase in the future. What action would you take to achieve this task（） ["Insert finding directives for ADDM tasks in the future.","Create a baseline on a pair of snapshots spanning the peak-load period.","Decrease the snapshot interval in the AWR to collect more snapshots during the peak- load period.","Set the snapshot retention period in the Automatic Workload Repository （AWR） to zero to avoid automaticpurging of snapshot"]
自生固氮
An HP customer would like to discuss IBM system advantages. Their current system platform is a partitioned HP rp8400. Which of the following pSeries systems and advantages should be discussed？（） ["p630. Maximum partitions， maximum storage， I\/O bus speed","p670. Maximum partitions， maximum memory， number of I\/O slots","p655. Maximum number of CPUs， processor speed， number of I\/O slots","p690. Maximum number of CPUs， peak system bandwidth， peak I\/O bandwidth"]
液化石油气的称重衡器如果没有自动切断气源的装置就必须（）。 ["装超装报警装置；","增加抽检人数；","增加复验比例"]
中国古代某个朝代在制定刑律时，增加了经济立法内容，并主张量刑“重其重罪，轻其轻罪”。这个朝代是（）。 ["秦朝","东汉","唐朝","明朝"]
教师的（）表现在具有专业的知识能力。
