A system administrator needs to _睦霖题库

单项选择题A system administrator needs to backup datavg which contains a database that pre-allocates files by padding them with nulls, similar to treating them as sparse files. In order to effectively backup and be able to restore the datavg files, which backup method should be used?（）: A、savevg; B、tar; C、cpio; D、mksysb

正确答案：B
答案解析：
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