A customer is planning to implement a Linux solution and is trying to decide whether the application should go on an xSeries 365 with a IA-32 processor or a p5-520 with a POWER5 processor.  Which of the following questions would best help them make that determination？（）

• A、Is a 64-bit kernel needed？
• B、Is Samba going to be running？
• C、Will the application run in a cluster？
• D、Which Linux distribution will be run - Red Hat or SuSe？