多项选择题
A.POS-OC768 B.POS-OC192 C.10GE D.GE
A.show ver B.show module C.show environment D.show protocols
A.IOS-XR RUN B.ACTV C.STBY D.IOS RUN
A.show interfaces description B.show ip interface brief C.show interfaces summary D.show inter stats
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