When Accessing the Utility Node Using a Bash Shell (Putty)

Multiple Choice

When accessing the utility node using a bash shell (putty) session as `admin', you receive a message referencing a possible Man-In-The-Middle attack stating: "REMOTE HOST IDENTIFICATION HAS CHANGED!" How do you repair this condition?

A) Remove the IP address in question from /home/admin/.ssh/known_hosts
B) Remove the IP address in question from /root/.ssh/known_hosts
C) Remove "admin" from /etc/passwd on the utility node
D) Remove "admin_key" key from /home/admin/.ssh