单选题Which term describes a spanning-tree network that has all switch ports in either the blocking or forwardingstate？ （）AredundantBspannedCprovisionedDconverged
单选题
Which term describes a spanning-tree network that has all switch ports in either the blocking or forwardingstate？ （）
A
redundant
B
spanned
C
provisioned
D
converged
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解析：
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