单项选择题 A technical specialist has installed a Host Bus Adapter （HBA） on a p5-550 server. The system has four AIX 5L V5.3 partitions and a Virtual I/O server. The HBA will be used to connect all four partitions to a DS8000 storage array. What else must be performed to make the storage available to the partitions？（）

单项选择题 WhencreatingavirtualEthernetadapterontheHMCforaVIOserver，whatistheadvantageofcheckingtheboxtoaccessexternalnetwork（trunk）？（）

单项选择题 Company.com recently experienced an unanticipated system outage when the VIO server was upgraded. The current p5-570 has six Micro-Partitions and a VIO server partition. How can a similar outage be avoided in the future？（）