单项选择题 pany uses GLBP to provide for router redundancy in the network.  Which describes the default  load balancing scheme used by the Gateway Load Balancing Protocol （GLBP）？（）

多项选择题 HSRP has been configured between two Company devices.  Which of the following describe  reasons for deploying HSRP？ （）

单项选择题 You want to implement a high availability network using two Cisco routers. You also want to  ensure that the stat of the WAN interfaces can be tracked in doing so.  Which router redundancy  protocol cannot be configured for interface tracking？ （）