单项选择题

A client wants to implement a highly available cluster between two sites. At each site the client has an IBMDS8300.
At each site， the client would like a single node which will be connected through a SAN to the local DS8300but not the remote DS8300.
Which clustering product could be used to provide high availability for this infrastructure？（）

A.PowerHA/XD for GLVM
B.PowerHA with cross-site LVM
C.PowerHA/XD for Metro Mirror
D.PowerHA/XD for Global Mirror

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In a cluster using /etc/hosts for name resolution， which of the following describes the minimum requirementsfor the /etc/hosts file？（）

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An organization currently uses Veritas Volume Manager （VxVM） and is integrating PowerHA. Which of thefollowing describes how PowerHA supports Veritas volume groups？（）

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