Of the following, which is the most effective tool to mitigate Denial of Service attacks?

What does the DirectoryIndex command do?

Why can't Apache logs be rotated by moving or deleting existing logs while the server is running?

Which directive provides mapping from a URI to a directory - usually a directory outside of your DocumentRoot?

What directive must be used to set the order of the Allow and Deny commands?

What character may be used as the last character on a line in a configuration file to indicate that the directive continues onto the next line?