When creating an RF plan, each layer retained within the floor layout can be assigned an RF obstacle
type using which two methods? (Choose two.)

A.
If the layer names do not match an obstacle within the library, the mapping to an RF obstacle type
must be done manually by creating the obstacle and assigning proper attenuation values.

B.
If the AutoCAD layer name matches the name specified for an obstacle type, it is mapped to that
type automatically.

C.
If the layer names do not match an obstacle within the library, the mapping to an RF obstacle type
must be done manually by selecting the correct type from the list.

D.
If the AutoCAD layer name matches the name specified for an obstacle type, it is not mapped to
that type automatically and must be done manually by selecting the correct type from the list.

Explanation: