多项选择题
A. HSRP provides redundancy and fault tolerance
B. HSRP allows one router to automatically assume the function of the second router if the second router fails
C. HSRP allows one router to automatically assume the function of the second router if the second router starts
D. HSRP provides redundancy and load balancing
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？ （）
单项选择题 You need to configure two Company routers for high availability. Which protocol enables a group of routers to form a single virtual router and use the real IP address of a router as the gateway address？ （）
多项选择题 You have just purchased a new Cisco 3560 switch running the enhanced IOS and need configure it to be installed in a high availability network. On a 3560 EMI switch， which three types of interfaces can be used to configure HSRP？（）