主机地址 192.168.210.5/255.255.255.252 的广播地址是多少?()
A.192.168.210.255
B.192.168.210.254
C.192.168.210.7
D.192.168.210.15
A.广播和H&S广播:传送IPTV等广播业务(有/无上行控制信道)
B.高速因特网接入(HSI):通过以太网的直接宽带因特网访问
C.MEFE-LINE:点到点以太网业务,类似于IETF的虚拟专线业务(VPWS)
D.MEFE-LAN:类似于IETF的虚拟专网业务(VPLS)