問題文
An engineer changes the cabling of a rack of switches with the power left on, and reads what the two events that can follow do to the group. Which statement is correct?
選択肢
- A merge of two working groups reloads the whole of the group that comes out of it, while a split can leave two working groups behind, one of them under a leader that has just taken over.
- A split of one working group and a merge of two both leave the members up and running, and the leader is chosen again while the members carry the traffic, so a reload is spared in either case.
- A merge of two working groups and a split of one both reload the whole of the group that comes out of it, so the traffic goes down in either case.
- A split of a working group reloads the whole of the group that comes out of it, while a merge can leave two groups behind, either of them under a leader that has just taken over from then on.