The heartbeating over IP aliases function allows which of the following？（）

单项选择题ForagivenEthernetnetwork，thefailurecycleissetto5secondsandtheheartbeatrateissetto2seconds.Giventhesevalues，whatisthefailuredetectiontimeforthenetwork（inseconds）？（）

A.5
B.10
C.12
D.20

单项选择题An architect is configuring a PowerHA cluster in the following way：The cluster will consist of two nodes. Each node will have two boot interfaces configured as a single PowerHA network. The cluster is to have asingle resource group with a single service address.Heartbeating over aliased is not to be used. What is the minimum number of subnets required to implement this cluster？（）

A.1
B.2
C.3
D.4

单项选择题An administrator is installing PowerHA filesets， and this cluster will be cross-mounting filesystems using NFSversion 4. Which additional fileset is required？（）

A.bos.net.tcp.client
B.cluster.es.nfs.rte
C.bos.nfsv4.server.rte
D.cluster.es.nfs.server

单项选择题WhatrestrictionsapplytousingvirtualEthernetwithinaclustercontainingVIOclients？（）

A.IPAT via Aliasing must be used
B.IPAT via Replacement must be used
C.Resilience must be provided by the use of dual VIO servers
D.Hardware Address Takeover （HWAT） must be used to ensure a consistent virtual MAC address

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