問題文
A capture from one segment contains many broadcast queries asking who holds a given address, from one station, covering a large range of addresses in a short time. What does this most likely indicate?
選択肢
- The station has lost its default gateway and is asking for it repeatedly, because a station that cannot reach its gateway retries the resolution for the gateway address and the retries appear as queries covering the whole subnet range as the station attempts each candidate in turn.
- The station is being scanned from outside, and the queries are the replies it sends to the scanner.
- The segment has a duplicate address, and the station is trying to find out which one is answering.
- The station is enumerating which addresses on the local segment are in use.