Client authentication or ____ authentication should be used when only a single user is coming from a single IP address.

In an _______ DNS query, the queried name server provides the best answer it currently has to the resolver

Fill in the blank(s) with correct word

Suppose you want to program behavior that repeats as long as some condition does not occur. To do this, you could use a statement with the following format: ____.

A. doWHILE (true) B. while (!true) C. if (NOT condition) D. while (&& false)