Answer:
Certificate Signing Request(CSR).
Explanation:
Certificate Signing Request(CSR):- It is a message that is specially encrypted Which validates the information that is required by CA for the issuing of a digital certificate.
It is the first step towards getting your own SSL certificate.
So we conclude that the answer to this question is Certificate Signing Request (CSR).
Answer:
Windows key,capslock key for verify connectivity
Explanation:
Sandy's can verify whether her keyboard is working or not by pressing the windows key. Caps Lock and Num lock key will turn on the light on keyboard and she shall see whether her keyboard is functioning or not. This method is being used everywhere to verify the keyboard connectivity.The light function can also be checked by using Caps Lock or Num lock key as well. Some keyboard offers the in built light, which can be turned on by pressing Alt+Space bar.
Answer:
The ARPANET was the first network that provided commercial internet services. And also it was the first network to make use of the TCP/IP protocols. However, you need to know that the first ISP or the internet service provider was the Telenet, and it was the first commercial version of the ARPANET which was introduced in the year 1974. And this service started its service for the customers in the year 1989.
Explanation:
Please check the answer section.