Which of the following statement about the proliferation of network element package loading packages is correct? (Multiple choice)
A . Configure activation grouping. Gateway NEs and non-gateway NEs cannot be grouped into the same group.
B . The number of network elements for the packet diffusion upgrade task does not exceed 15.
C . Package diffusion software upgrade tasks may not include gateway network elements
D . Package diffusion software upgrade can only include at most one gateway network element, and the non-gateway network elements in the task must belong to the same gateway network element.
Answer: ABCD