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.
正确答案:A
答案解析:有
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