What are the characteristics of
题目
What are the characteristics of the process of documenting the layers of an existing network? （）
- A、begins with gathering organizational input that may be inaccurate
- B、begins with gathering organizational input that does not need to be supplemented by a network audit
- C、requires a network audit to support some upgrade decisions
- D、requires a network audit to support any network restructuring
- E、provides reliable input for verifying network consistency
- F、does not provide reliable input for designing changes
