フリー問題

問題文

The appliance must answer clients that come from a great many networks on the internet, and the desk does not want to write an entry for each one. Which pair holds for this design?

選択肢

1. One entry that carries the specific prefix covers every network not listed, and the appliance still prefers the narrowest match whenever both entries could carry the traffic.
2. One entry that carries the default prefix covers every network not listed, and the appliance still prefers the widest match whenever both entries could carry the traffic.
3. One entry that carries the specific prefix covers every network not listed, and the appliance still prefers the widest match whenever both entries could carry the traffic.
4. One entry that carries the default prefix covers every network not listed, and the appliance still prefers the narrowest match whenever both entries could carry the traffic.