A lesson of XSS is that programmers should never trust ________.
B) their own staff colleagues
D) user input
Today, it can be problematic to have only a single IPv6 stack because ________.
A) a single IPv4 stack is out of date
B) a single IPv6 stack could not communicate with a single IPv4 stack
C) a dual stack has become a common solution
D) all of the above
Errors may substantially reduce throughput in ________. (Pick the standard most