Which script is executed during system startup to set the system hostname， default gateway and static routes？（）

A.Boot in maintenance mode， and verify the Ethernet adapter configuration.
B.Boot in maintenance mode， access the rootvg and check the /etc/inittab for corruption.
C.Boot in maintenance mode， access the rootvg and rebuild the boot image using the bosboot command.
D.Boot in maintenance mode after verifying the network connection， access the rootvg and check the /etc/rc.net file.

A.Boot in maintenance and use fsck to check hd5.
B.Boot in maintenance mode， access the rootvg and check the /etc/inittab for corruption.
C.Boot in maintenance mode， access the rootvg and rebuild the boot image using the bosboot command.
D.Boot in maintenance mode， access the rootvg and use the bootlist command to create a valid boot list.

A.Power down then power up the system
B.Boot into diagnostic mode and run fsck
C.Boot from installation media and run bosboot
D.Boot into maintenance mode and check the bootlist