单项选择题
A.4GE+SFP-combo&2SFP+ B.8GE+SFP-combo&2SFP+ C.4GE+SFP-combo&4SFP+ D.8GE+SFP-combo&8SFP+
A.LIS-WX-32-B B.LIS-WX-12-A C.LIS-WX-WIPS-12 D.LIS-WX-16-B
A.128 B.256 C.512 D.1024