Which file, in the local file-system, is presented when the client requests http://server/~joe/index.html …?

CORRECT TEXT
Which file, in the local file-system, is presented when the client requests
http://server/~joe/index.html and the following directive is present in server’s Apache configuration file?
UserDir site/html

Given that all users have their home directory in /home, please type in the FULL file name
including the path.

Answer: /home/joe/site/html/index.html