Which ports must be left open if an administrator plans to perform Dynamic LPAR operations？（）

单项选择题A customer has 4 POWER6 servers managed by a Hardware Management Console （HMC）. They plan to install a second HMC for redundancy.  Which of the following statements correctlydescribes the dual HMC environment？ （）

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？（）

A. 802.1Q
B. Virtual switch
C. Logical Host Ethernet （LHE） Adapter
D. Shared Ethernet Adapter （SEA） Trunking

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？ （）

A. Use SUMA to obtain the drivers.
B. Use smitty install on the client partitions.
C. Use oem_setup_env environment in the VIO server.
D. Use cfgmgr to configure the devices within the client partition.

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？（）

A. IBM Director connection
B. Dynamic LPAR Resource Manager （DLRM）
C. Barrier Synchronization Register Device （BSR）
D. Virtual Asynchronous Services Interface （VASI）

单项选择题An administrator has implemented the following LPARs on a Power 570 with 32 GB memory with 512 MB remaining for allocation： LPAR 1 memory ： min = 10 GB des = 15 GB max = 24 GB  LPAR 2memory ： min = 10 GB des = 15 GB max = 24 GB The administrator receives a request to add 2 GB to LPAR 1. The only way to do this is by moving memory from LPAR 2 to LPAR 1. The administrator attempts to move the memory， but the operation fails. The administrator can  however allocate 512 MB that is free to LPAR 1 on the 570.  What is the most likely cause of this failure when dynamically moving memory？（）

A. Maxperm% is set too low on LPAR 2
B. Insufficient paging space on LPAR 1
C. Service IBM.DRM is unavailable on LPAR 1
D. Insufficient pinnable memory frames available on LPAR 2