单项选择题

A non-root user can run rsh commands from serverA to serverB, but attempts to run rsh commands by the root user return with apermission error message.
What action will resolve the problem?（）

A.Add root user to the /etc/hosts.equiv on serverB
B.Create $HOME/.rhosts file for the root user on serverB
C.Restart the rshd daemon with root enabled option on serverB
D.Add entry to allow root user from serverA to the /etc/hosts.allow on serverB

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A non-root user can run rsh commands from serverA to serverB, but attempts to run rsh commands by the root user return with apermission error message. What action will resolve the problem?（）

A non-root user can run rsh commands from serverA to serverB, but attempts to run rsh commands by the root user return with apermission error message.
What action will resolve the problem?（）