Which of the following would be an advantage to using a blade（刀片） server（服务器） as opposed to a rack（机架式） mount server？（）
- A、 Blade servers allow for internal tape drives
- B、 Blade servers offer more rack density
- C、 Blade servers are typically faster
- D、 Blade servers allow for more RAM
正确答案:B
答案解析:有
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