To circumvent stack buffer overflows, programmers create applications that do not allow extra characters to be accepted by a variable making the traditional buffer overflow method problematic. This check can be bypassed by using the ____ method.?

If a cell contains =$N$21 and two new columns are inserted in front of column N and three rows are inserted above row 21, what happens to the =$N$21?

A) It remains =$N$21 B) It becomes =$L$18 C) It becomes =$Q$23 D) It becomes =$P$24

In Excel, the default is to display the ________

A) trendlines B) major gridlines C) minor gridlines D) major and minor gridlines