Which statement is correct about the number of available QoS system classes in FCoE？（）
- A、 It’s hard-set and cannot be disabled
- B、 It’s configurable， with an upper limit of 16
- C、 It’s hard-set but cannot disable best-effort and Fibre Channel
- D、 It’s hard-set but can disable all but one class
- E、 It’s configurable with an upper limit of eight
正确答案:C
答案解析:有
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