单项选择题 Howcananadministratorviewtheservicebootlist（）？

单项选择题 YouworkasadatabaseadministratorforSupportcenter.cn.Youareusingthreedatabase，SupportCenterDB01，SupportCenterDB02，andSupportCenterDB03，ondifferenthostmachinesinyourdevelopmentenvironment.Thedatabaseserverconfiguration，suchasIPaddressandlistenerportnumber，changefrequentlyduetodevelopmentrequirements，andyouhavethetaskofnotifyingthedevelopersofthechanges.Whichconnectionmethodwouldyouusetoovercomethisoverhead？（）

单项选择题 A customer is upgrading from a 16-core POWER6 570 with two enclosures to a 16-core Power 770 with only one enclosure. There are 22 PCI-X adapters and 19 PCIe adapters spread across the current CECs and I/O drawers. How many and what kind of drawers are needed to connect these adapters?（）