单项选择题
A. Use the clinfo command to monitor the disk heartbeat
B. Use the mail command to check for messages form HACMP
C. Use the dhbread command to verify the disk heartbeat link
D. Use the clstat command to verify the appropriate network connections are available
单项选择题 WhatisaprerequisiteforusingtheapplicationavailabilityanalysistoolinHACMP？（）
单项选择题 A three-node cluster experienced a node failure. The resource groups were acquired as cexpected. The node has been repaired，and HACMP has been restarted. How does the operator determine that the node has successfully re-integrated into the cluster？（）
单项选择题 A cluster administrator has been asked to install HACMP on two nodes with the following hardware： -two CPUs， - 1GB RAM， - one 1 36GB drive， -two 10/100/1000 Ethernet adapters， and -GB Fibre Channel adapters dual attached to SAN storage. In order to eliminate single points of failure，the administrator should first add which of the following：（）