JAVA/Sun Exam Questions

which local network configuration file is missing?

Only local system files are used during the boot process to configure the system for local Ethernet LAN connectivity.
Immediately after reboot the ifconfig -a command displays:
lo0: flags=1000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4> mtu 8232 index 1 inet 127.0.0.1 netmask ff000000
Which local network configuration file is missing?

A.
/etc/ethers

B.
/etc/netmasks

C.
/etc/networks

D.
/etc/inet/hosts

E.
/etc/hostname.interface