单选题A production system needs to be upgraded from AIX V5.1 to AIX V5.2. All logs and users need to be saved. Which installation method will accomplish the upgrade？（）A Update InstallationB Migration InstallationC Preservation InstallationD New and Complete
题目
单选题
A production system needs to be upgraded from AIX V5.1 to AIX V5.2. All logs and users need to be saved. Which installation method will accomplish the upgrade？（）
A
Update Installation
B
Migration Installation
C
Preservation Installation
D
New and Complete Overwrite Installation
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参考答案和解析
正确答案：
B
解析：
暂无解析