フリー問題

問題文

Hundreds of edge devices sit behind an unreliable link and are often offline when a change is published. Which model fits, and what drives the timing of each run?

選択肢

1. Adopt the agent initiated periodic pull model, in which the run starts from the device side timer whenever the link is available.
2. Adopt the console driven single push model, in which the run starts from the central queue entry whenever the link is available.
3. Adopt the console driven single push model, in which the run starts from the device side timer whenever the link is available.
4. Adopt the agent initiated periodic pull model, in which the run starts from the central queue entry whenever the link is available.