Which characteristics describe the routing protocol EIGRP? (Choose two)<br>A. Has a maximum hop count of 255<br>B. Uses a 32-bit metric<br>C. Can differentiate between internal and external routes<br>D. Supports a single routed protocol<br>E. Can maintain only a single routing table<br>F. Required all networks within an AS to use the same subnet mask<br>Answer: B, C<br>c有点不理解??<br>