ETC完整定义是什么?

下面哪个文件定义了网络服务的端口()。

A./etc/netport

B./etc/services

C./etc/server

D./etc/netconf

A、赣通卡收费

B、不停车收费

C、电子收费

D、电子不停车收费

运行级定义在()。

A.inthekernel

B.in/etc/inittab

C.in/etc/runlevels

D.using ther lcommand

A.etc/dev

B.etc/conf

C.etc/hohstname

D.etc/network

通常，DNS的资源记录文件是在(9)文件中定义的。

A．/etc/hosts B．/etc/host.conf

C．/etc/resolv.conf D．/etc/named.conf

A./etc/hostname

B.etc/resolv.conf

C./etc/host.conf

D./etc/named.conf

A、/etc/fstab

B、/etc/resolv.conf

C、/etc/hosts

D、/etc/init.d

A./etcarch

B./etc/domain

C./etc/nameserver

D./etc/resolv.conf

A./etc/resolv.conf

B./etc/search

C./etc/nameserver

D./etc/domain

如何装载(mount)上在/etc/fstab文件中定义的所有文件系统()

A.mount-a

B.mount/mnt/*

C.mount

D.mount/etc/fstab