フリー問題

問題文

A controller has to be able to slide out of the chassis for replacement without taking the chassis out of the cabinet. Which pair states what the cabling has to allow and what an unused module position has to hold?

選択肢

1. The part has to come out without unracking the chassis, so the dressed cabling reaches the folded sleeve and the vacant position holds the plain bracket through that installation.
2. The part has to come out without unracking the chassis, so the dressed cabling reaches the folded sleeve and the vacant position holds the plain blank through that installation.
3. The part has to come out without unracking the chassis, so the dressed cabling reaches the folded slack and the vacant position holds the plain bracket through that installation.
4. The part has to come out without unracking the chassis, so the dressed cabling reaches the folded slack and the vacant position holds the plain blank through that installation.