Answer:
Troubleshooting
Explanation:
These actions are called troubleshooting.
Troubleshooting is used to diagnose the unexpected error while you are performing some action on the computer. For example
You are running skype, and a one-day mic or sound performing unexpected error. What will you do? You have to perform the troubleshooting for MIC and sound to diagnose the problem.
During troubleshooting, you will wizard through steps of the procedure to diagnose the problem step by step. If the problem will be identified, the solution will be suggested.
You may experience sometimes your Wifi router at home not working. For this to identify the unexpected error you will perform the troubleshooting.
In short, troubleshooting is used to diagnose unexpected error while performing some action on the computer. If troubleshooting does not work, then close all the programs running on your machine, then shut down your computer. Wait a couple of minutes, and then start your computer and see, the problem may have been alleviated.
I suggest you to read OpenSSL changelogs to make it more clear. As there's not enough space to describe how it works. But heartbleed resistan version was 1.0.2, as I know.
Answer: str[0].toUpperCase();
Explanation:
str[0] is pointing to the first character of the entire string and the code str[0].toUpperCase() will convert the characters to upper case if they are in lowercase and will remain unchanged if they are already in upper case.
Answer:
A Caesar Cipher is a basic encryption type.
Explanation:
Its implementation is very easy and straightforward. It uses a one-to-one of characters in a character set. The input needed is the plain-text message and the encryption number.
For example, using the character set A-Z, encrypting the text CS IS COOL using the key of 3 generates FV LV FRRO. What has been done here is to take each character in the plain-text message and move it by "encryption number steps" in the character set.
