Which of the following would be used to lock all of the primary communication equipment of abuilding, including its demarcation point?（）A、MTRB、MDFC、Smart jackD、IDF
Which of the following would be used to lock all of the primary communication equipment of abuilding, including its demarcation point?（）
- A、MTR
- B、MDF
- C、Smart jack
- D、IDF
相关考题：
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