单项选择题
A.It monitors traffic flow and link utilization. B.It ensures the best VRRP router is the virtual router master for the group. C.It causes traffic to dynamically move to higher bandwidth links D.It thwarts man-in-the-middle attacks.
A.The active virtual gateway will reply with one of four possible virtual MAC addresses. B.All GLBP member routers will reply in round-robin fashion. C.The active virtual gateway will reply with its own hardware MAC address. D.The GLBP member routers will reply with one of four possible burned in hardware addresses
A.It is used for type 1 router LSA B.Highest IP address of the loopback is used C.router-id needs to be matched on ospf neighbors D.router-id is 16 bit