Which of the following is an example of social engineering?
a. a computer overwhelming a server with traffic
b. a program that secretly records your keystrokes
c. a hacker who steals a file containing passwords from your computer
d. a hacker who steals a file containing passwords from your computer
e. a phone call from someone in the it department requesting your password

File i/o activity objective: the objective of this activity is to practice working with text files in c#. for this activity, you may do all code in the main class. instructions: create an app that will read integers from an input file name numbers.txt that will consist of one integer per record. example: 4 8 25 101 determine which numbers are even and which are odd. write the even numbers to a file named even.txt and the odd numbers to a file named odd.txt.