WhataretheadvantagesofvariableextentsizesupportforlargeASMfiles?()

A.Itimprovesresyncoperationswhenthediskcomesonlineafterbeingtakenofflineformaintenancepurposes.

B.Itimprovesperformanceintheextendedclusterconfigurationbyreadingfromalocalcopyofanextent.

C.Fewerextentpointersareneededtodescribethefileandlessmemoryisrequiredtomanagetheextentmapsinthesharedpool.

D.Thisfeatureenablesfasterfileopensbecauseofthereductionintheamountofmemorythatisrequiredtostorefileextents.