单项选择题 Companycom has just added some new disk drives to a p5 590. The customer needs to know the largest Logical Track Group that these drives will support. What is the best way to locate this information?（）

单项选择题 Service Focal Point, Inventory Scout, and DLPAR rely on correct setup and networking between the HMC and the logical partitions. Which authentication method is used to control session management, but also authentication between network peers?（）

单项选择题 When doing the Solution Assurance for a p5 570 with several LPARs, it is discovered that the customer plans to back the system up using mksysb. The customer would like to do unattended automated system backups and incorporate them into their off-site data recovery system. Which mksysb solution should be implemented?（）