An x445 can withstand up to two failed memory chips per memory bank. In addition， the customer requires protection for a third memory chip failure on that bank. Which EXA feature will provide this extra level of protection？（）
- A、Chipkill
- B、Hot Spare Memory
- C、Memory Mirroring
- D、Memory ProteXion
正确答案:C
答案解析:有
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