問題文
A pair of devices is being bundled with the protocol that controls aggregated links, and neither end has yet been told to speak first. What has to hold of the two ends before the bundle comes up at all, and how much of the work of managing the member links does the Junos implementation take on for the operator?
選択肢
- Either end may be left to speak only once it has been spoken to, since the first frame of user traffic is enough to start the trade of the units of the protocol, and the implementation watches the links of the bundle but leaves the adding and the dropping of them to the operator instead
- At least one of the two ends has to be set to speak unprompted of its own accord, since two ends that both wait to be spoken to never trade the units of the protocol at all, and the implementation watches the links of the bundle and also adds and drops them with no help from the operator
- At least one of the two ends has to be set to speak unprompted of its own accord, since two ends that both wait to be spoken to never trade the units of the protocol at all, and the implementation watches the links of the bundle but leaves the adding and the dropping of them to the operator instead
- Either end may be left to speak only once it has been spoken to, since the first frame of user traffic is enough to start the trade of the units of the protocol, and the implementation watches the links of the bundle and also adds and drops them with no help from the operator