フリー問題

問題文

An administrator looks for the network settings of an OpenBSD host and finds several very small files instead of one large one. Which description is correct?

選択肢

1. On this system the name of the machine itself sits in one small file and the address of the recursive server sits in another one, while the interfaces are described in files named after the interface name instead.
2. On this system the name of the machine itself sits in one small file and the address of the recursive server sits in another one, while the interfaces are described in files named after the device class instead.
3. On this system the name of the machine itself sits in one small file and the address of the default gateway sits in another one, while the interfaces are described in files named after the device class instead.
4. On this system the name of the machine itself sits in one small file and the address of the default gateway sits in another one, while the interfaces are described in files named after the interface name instead.