单项选择题
A.15B.30C.45D.60
A.3600B.1800C.1200D.900
A.0x82B.0x83C.0x88D.0x89
A.4B.6C.8D.16
A.10B.15C.110D.115
A.路由LSAB.网络LSAC.链路LSAD.区域间汇总LSAE.区域内汇总LSAF.外部LSA
A.HelloB.DDC.LSPD.LSAE.LSRF.LSU
A.84B.89C.88D.112
A.64B.128C.240D.255
A.带宽B.延迟C.负载D.开销
A.10B.15C.150D.255