单项选择题
A. To provide the Service Agent function， both HMCs must have Service Agent enabled and a dedicated modem and phone line.
B. Authorized users must have the same username and password on both HMCs， so that every user of one HMC is automatically authorized on the other.
C. Both HMCs are automatically notified of any changes that occur in the managed systems， so results of changes made to the managed system by one HMC are visible on the
D. Both HMCs must be running the same software revision. Software maintenance must be performed on both HMCs at the same time， but one HMC should be disconnected from
单项选择题 The administrator of a Power 595 server is required to concurrently host LPARs for two different customers. Both customers’ LPARs have the same VLAN ID and subnet range， but their traffic must be isolated from each other. Which feature within the system would provide this functionality？（）
单项选择题 A customer uses third party storage and would like to connect it to a Virtual IO server on a Power 550. How can the third party storage device drivers be installed？ （）
单项选择题 A customer is configuring Live Partition Mobility on two POWER6-based servers， Which of the following is required on both the source and the destination VIO servers for the mobile partition to participate in an active partition migration？（）