Alice sends a message to Bob in a manner such that Bob is the only person who can tell what the real message is. Which security concept is this an example of
1. Learning Languages such as C+, VB, etc. 2. Gather data, proficient websites that will come to your need. 3. Install certain softwares to see it in action. 4. Do lots and lots of studying and research. 5. Ask for help, the Internet is here.