单项选择题 A client is experiencing issues after cloning an LPAR using alt_disk_install. DLPAR functions are not available for the new LPAR. Also, there is a lot of network traffic to the HMC. What is the most probable cause of this problem?（）

单项选择题 One of the mirrored disks for the root volume group has failed. Although the logical volumes are mirrored, and the bosboot command was run, the machine will not boot. What is the most probable cause?（）

单项选择题 While planning the logical volume design of a new install, Companycom considered using a striped logical volume for performance. They want to be able to extend the logical volume in the future. Which of the following actions will provide this capability?（）