C# provides methods in class to convert from one type to another.

The vi command to save lines 1-5 of the text in another file is

a. :save 5 lines b. :s 1-5 filename c. :1,5 w filename d. :w 5 filename e. :!w 1 5 filename

What secures the machines involved with data transportation that requires the sender to install software on the machine (receiver)?

A. code signing B. digital certificates C. SSL D. Two-Factor authentication