单选题A system administrator wants to couple two servers together so that users from server A can access server B without entering their password. How would this be accomplished？（）Aemploy NIS to synchronize user names and passwordsBcreate a /.rhosts on server A and serve BCcreate a $HOME/.netrc for all users on server A and serve rBDcreate a /etc/hosts.equiv on server A and server B
单选题
A system administrator wants to couple two servers together so that users from server A can access server B without entering their password. How would this be accomplished？（）
A
employ NIS to synchronize user names and passwords
B
create a /.rhosts on server A and serve B
C
create a $HOME/.netrc for all users on server A and serve rB
D
create a /etc/hosts.equiv on server A and server B
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