单项选择题
A. Only if both tracked objects are up will this router will be available as an AVF for group 1.
B. Only if the state of both tracked objects goes down will this router release its status as an AVF for group 1.
C. If both tracked objects go down and then one comes up， but the other remains down， this router will be available as an AVF for group 1.
D. This configuration is incorrect and will not have any effect on GLBP operation.
E. If the state of one tracked object goes down then this router will release its status as an AVF for group 1.
单项选择题 Refer to the exhibit. GLBP has been configured on the network. When the interface serial0/0/1 on router R1 goes down， how is the traffic coming from Host1 handled？ （）
单项选择题 Refer to the exhibit. What is the configuration an example of？ （）
单项选择题 Refer to the exhibit. Which Virtual Router Redundancy Protocol （VRRP） statement is true about the roles of the master virtual router and the backup virtual router？（）
