Which of the following prevents a router from advertising a network on the same interface from which it learned that network?

How many times will the following do-while loop be executed?

``` int x = 11; do { x += 20; } while (x <= 100); ``` a. 5 b. 4 c. 3 d. 1

The ________ is a special built-in pointer that is available to a class's instance member functions.

A) overloaded -> operator B) this pointer C) &constructor pointer D) ~destructor *ptr E) None of the above