单项选择题
A. Perform a shown command on the VG device files.
B. Perform a syncvg to validate VG integrity.
C. Perform a redfinevg to correct the VGDA state.
D. Perform a synchlvodm to correct the LV ownership.
单项选择题 TheClusterAdministratorwantstousediskheartbeatsasanon-IPnetwork.WhatVolumeGroupconsiderationmustbeaccountedforpriortoconfiguringdiskheartbeats？（）
单项选择题 A cluster with 10 adapters per node is converted to use IPAT address takeover vial IP aliasing. During the conversion， the customer ran out of IP subnets in the allocated range. What feature in HACMP can help resolve this issue？（）
单项选择题 Due to recent changes in infrastructure， a four-node cluster has been split into two locations， but is still listed as a single site in HACMP. The location split has proceeded smoothly， the only exception being the serial heartbeats. There are constant errors causing the serial network to go up and down. What is the best solution to resolve this issue？（）