On both the IBM SAN764B and the IBM SAN384B Fiber Channel Directors, all of the followingSmall Form Pluggable plus (SFP+) optical transceivers are supported EXCEPT:（）

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  A . the minimum is 1 and the maximum is 8 B . the minimum is 2 and the maximum is 8 C . the minimum is 2 and the maximum is 16 D . the minimum is 1 and the maximum is 64

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• The concluding paragraph of an essay can include both a summary of the main point and a final thought on the subject.

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