单选题Which installation method enables the quickest recovery in the event of failure when upgrading from AIX 5.3 to AIX 6.1？（）A Use alt_disk_install.B Apply the upgrade without commit.C Use a backup image from a NIM server.D Use a mksysb image from a locall
题目
单选题
Which installation method enables the quickest recovery in the event of failure when upgrading from AIX 5.3 to AIX 6.1？（）
A
Use alt_disk_install.
B
Apply the upgrade without commit.
C
Use a backup image from a NIM server.
D
Use a mksysb image from a locally attached DVD-RAM.