Which three statements about EIGRP route summarization are correct? (Choose three.)
A . By default, all EIGRP routes are automatically summarized; all routes will be summarized unless the noauto summary command is configured.
B . By default, EIGRP automatically summarizes internal routes, but only each time a major network boundary is crossed.
C . EIGRP route summarization can reduce the query diameter to help prevent SIA problems.
D . Summary routes are inserted in the routing table with a next hop of null 0 and a high administrative distance, to prevent black holing of traffic.
E . The metric for each summarized route is inherited from the lowest metric of the component routes.
Answer: BCE