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?（） savevg。 tar。 cpio。 mksy。
A customer needs a very small AIX system to run their new application and is considering a 1-way p615. What key information should the pSeries technical specialist provide to the customer？（） The 1-way p615 cannot be upgraded to a 2-way p615.。 The 1-way p615 can be upgraded to a 2-way p615 should additional capacity be required.。 The p615 can be upgraded to a POWER5-based processor.。 The p615 is not a good solution， as it does not take advantage of the Advanced POWER Virtualization features.。
蛋白C（PC）在肝合成时需依赖下列哪一项物质（） 维生素K。 蛋白S。 蛋白Z。 血栓调节蛋白。
Which log file shows previous installation information? （） /var/adm/ras/bosinstlog 。 /var/adm/ras/devinst.log 。 /var/adm/rshlog 。 /var/adm/sulog。
简述主控系统与变流系统间的接线,并描述其功能.
爆破挤淤法地基处理技术主要分为（）。
