單項(xiàng)選擇題

An administrator attempts to create a link of /etc/db_conf to the target directory /db/v9.7/install/config. The following command failed toAn administrator attempts to create a link of /etc/db_conf to the target directory /db/v9.7/install/config. The following command failed to create the link:  ln /db/v9.7/install/config /etc/db_conf  
Which option should be used when re-running the command to resolve the problem?()  

A.-s flag to create a soft link
B.-n flag to force create a hard link
C.-N flag to force create a hard link
D.-S flag to force create a soft link

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