Which of the following description of the extended ECC is correct? (Multiple Choice)
A . Extended ECC recommends to use manual basis, which reduces mutual negotiation between network elements.
B . The scale of the extended ECC network (the sum of the server and the client) must not exceed 8.
C . Extended ECC is divided into automatic extended ECC and manual extended EC
D . One network element can only support one mode at the same time. These two methods cannot be directly docked.
E . In the automatic extended ECC mode, you need to connect the Ethernet ports of the two NEs with a direct-connected network cable (or a standard network cable through B), extend the ECC, and specify the server and client.
Answer: ABC