单项选择题
A. access - list 100 permit ip 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0 .0
B. access - list 100 permit ip host 0.0.0.0 any
C. access - list 100 permit ip any host 0.0.0.0
D. A default -network cannot be redistributed between routing processes.
单项选择题 Refer to the exhibit. Based upon the configuration, you need to understand why the policy routi match counts are not increasing. Which would be the first logical step to take?（）
单项选择题 Refer to the exhibit. How would you confirm on R1 that load balancing is actually occurring on the default - netw ork (0.0.0.0)?（）
单项选择题 Refer to the exhibit. R1 accesses the Internet using E0/0. You have been asked to co nfigure R1 so that a default route is generated to its downstream devices (191.0.0.1 and 192.0.0.1). Which commands would create this configuration? （）
