Which of the following phrases is TRUE regarding monitoring disk I/O with iostat?() The iostat can only be run as the root user。 There could be zero percent I/O wait and still be an I/O bottleneck。 Any I/O wait time displayed in output of "iostat" is an indication of severe I/O bottlenecks 。 Running "iostat" without any arguments/parameters is sufficient for resolving I/O bottleneck。
When designing a single tier AIX database solution for a customer, what other technical specialist would be most instrumental in putting together a total solution and why?() xSeries specialist,as the customer may have some Intel-based systems.。 Hardware customer engineer,as they will be installing the entire solution.。 Services specialist,as they can provide education recommendations for the entire solution. 。 Storage specialist,as the customer may need disk to store the data and tape to backup the data.。
质量事故发生后,()签发《工程暂停令》。 建设单位质控经理。 施工单位质控经理。 监理单位现场代表。 总监理工程师。
课程资源的种类有()、()、()、()、()、()。
制动波的方向是()。 由前向后传播。 由后向前传播。 随机的。 分散的。
某人投保年金保险,经过一段时间后保险人每年定期给付,给付与被保险人的生死无关,给付一定年限后自动终止。则年金保险是()。