After installing a new p5 595, the system performs poorly. Which of the following services would provide updates needed to fix the problem?（）

单项选择题WhatutilitiesareavailabletomonitortheVirtualIOServerperformance?（）

A.sar, top and mon
B.ioo, vmo and topas
C.ifconfig and traceroute
D.Performance Toolbox Agent and Manager

单项选择题WhichVirtualIOServerfunctionallowsdisktobesharedbymultipleLPARs?（）

A.Virtual LAN
B.Virtual disk
C.Virtual SCSI
D.Virtual serial