A customer has installed an IBM System Storage DS8700 with 20 TB of storage， two-way processor version， 32 GB cache， and 16 Fibre Channel ports. The customer is beginning to experience throughput performance issues. To address this performance consideration with minimal cost to the customer， which of the following should be the FIRST step to resolve the problem（） add an expansion frame with additionalFibre Channel ports。 increase the amount of storage by 20 TB。 conduct a Disk Magic study to identify the source of the performance issue。 add additionalFibre Channel ports to the existing DS8700。
心脏射出的血液在血管内流动时对血管壁有一定的侧压力，称为血压。我国健康成年人安静时收缩压约为（），舒张压约为60～80mmHg。 90～110mmHg。 80～120mmHg。 100～120mmHg。 90～130mmHg。
While executing a Cluster Test Plan， the administrators realize that they will need to email the Operations and network on-call staff in the event of a network outage. What can be done to alert the on-call staff of network failures？（） Customize clstat to send a mail message.。 Customize an Event Notification method.。 Customize an Error Notification method.。 Customize clinfo to send an SNMP trap.。
黄油枪是加注（）的工具。 燃料油。 导热油。 润滑油。 机油。
An administrator is moving a volume group from one server to another. The disks will be physically moved between the two systems. Which two operations are required on the volume group prior to the physical disk switch?（） 'varyoffvg' and 'exportvg'。 'varyofflv' and 'importvg'。 'varyofflv' and 'migratepv'。 'varyoffvg' and 'migratevg'。
预防液化石油气中毒的主要措施是确保使用环境具有良好的（）设施。
