單項(xiàng)選擇題如何修改sshd_conf配置文件禁止root用戶遠(yuǎn)程ssh登錄主機(jī)()

A.PermitRootLogin no
B.UseLogin yes
C.PermitRootLogin yes
D.UseLogin no


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A.rm
B.ps
C.man
D.ls

3.單項(xiàng)選擇題NFS的運(yùn)行方式是()

A.browser/server
B.program
C.P2P
D.client/server

4.單項(xiàng)選擇題下列哪個命令可以查看命令或腳本執(zhí)行后的返回狀態(tài)?()

A.echo $*
B.echo $#
C.echo $?
D.echo $!

5.單項(xiàng)選擇題安裝源代碼發(fā)布軟件包時,以下命令順序正確的是:()

A.make;make install;make clean;./configure
B../configure;make install;make clean;make
C.make install;make clean;make;./configure
D../configure;make;make install;make clean