問題文
The map of one floor on the location platform shows several access points marked as not working, although the wired team reports that all of them are up. What does the guide give as the reading of that mark, and as the two situations in which it usually appears?
選択肢
- The mark stands for a unit that holds no client at this moment, and it usually appears at night when nobody is at the venue and where every client of that unit has been carried to a neighbor by the spreading of the load across that floor of the site.
- The mark stands for a unit whose radios have been shut by hand, and it usually appears while a floor is being worked on and where the unit has been moved to a profile that leaves both of its radios out of service for a while.
- The mark stands for a unit that no calls are reaching the platform through, and it usually appears at night when nobody is at the venue and where no controller has been added to the platform or the one that was added is no longer holding its link.
- The mark stands for a unit that has been put on the floor plan without an address, and it usually appears at night when nobody is at the venue and where the plan was drawn before the unit itself had been mounted on that floor at all.