单项选择题

AnadministratorwillbeperformingaPowerHAupgradeonaclusterfromversion5.3toversion5.5.Whichofthefollowingtaskswillverifyasuccessfulmigration？（）

A.Usetheclstatcommandandverifytheclusterisinastablestate
B.Aftereachnodeisupgraded，runaverificationandsynchronization
C.Afterallnodesareupgraded，runaverificationandsynchronization
D.Takeasnapshotofeachnodeandverifytheconfigurationisthesame

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问答题

Whichtwostatementsaboutspanningtreepathcostaretrue？（）

A.Thepathcostcanbechangedforaninterfaceusingthespanning-treecostcommand
B.Thepathcostcanbechangedforaninterfaceusingthestppath-costcommand
C.TheSPTdefaultpathcostdependsontheinterfacespeed
D.TheSTPdefaultpathcostissimilarforallinterface

单项选择题

WhatistheappropriateresourcetofindcomprehensiveinformationaboutIBMSystemStoragecompetitivestrategiesandtechnologycomparisons?（）

A.IBMTechline
B.IBMCOMP
C.IBMSalesManual
D.IBMTechlineCompeteCenter