LINUX支持网络文件系统NFS，下列哪个命令实现了将位于192.168.1.4机器上的/opt/sirnfs目录挂载到本机/mnt/sirnfs下：（）A、mount-tnfs192.168.1.4：/opt/sirnfs/mnt/sirnfsB、mount-tnfs/mnt/sirnfs192.168.1.4：/opt/sirnfsC、mountnfs–t192.168.1.4：/opt/sirnfs/mnt/sirnfsD、mountnfs–t/mnt/sirnfs192.168.1.4：/opt/
题目
LINUX支持网络文件系统NFS，下列哪个命令实现了将位于192.168.1.4机器上的/opt/sirnfs目录挂载到本机/mnt/sirnfs下：（）
- A、mount-tnfs192.168.1.4：/opt/sirnfs/mnt/sirnfs
- B、mount-tnfs/mnt/sirnfs192.168.1.4：/opt/sirnfs
- C、mountnfs–t192.168.1.4：/opt/sirnfs/mnt/sirnfs
- D、mountnfs–t/mnt/sirnfs192.168.1.4：/opt/sirnfs