单项选择题
A.The IBM Rear Door Heat eXchanger may dramatically unburden existing AC units by cooling the air before it exhausts from the electronics into the hot aisle.
B.The IBM Rear Door Heat eXchanger is a "hang， plug， and run" design so the units may be added quickly.
C.The IBM Rear Door Heat eXchanger is equipped with two fans to help maintain water temperature at 18C （64.4F） and provide even air flow.
D.The IBM Rear Door Heat eXchanger is designed to support a 42U rack.
单项选择题 WhatisthenameoftheIBMsolutionthathelpstomonitorpowerconsumptiontoallowbetterutilizationofavailablepowerresources？（）
单项选择题 Virtualization is a technology that can help reduce power and cooling requirements. IT organizations can consolidate multiple OS and application stacks on each server with virtualization software. What IBM solution simplifies virtualization for IBM hardware？ （）
单项选择题 Customerslookingtoutilizequad-coreprocessorsinabladeenvironmentshouldusewhichofthefollowingpowersavingoptions？（）