Hi. You have not informed the subject to which this question refers, which makes it impossible for your question to be answered. However, I will try to help you as best I can.
The only way to answer this question is to evaluate the media where the subject in question is being presented. Thus, you must understand this subject, whether reading a text about it or watching a video about it, the important thing is that you understand it and absorb all the teachings it is capable of transmitting.
In this case, you need to evaluate all these teachings which was the most important for you and which represented a very important lesson in your life. This lesson will be the biggest takeaway you've achieved with this subject.
When an important file is saved on two different computers, the name of the file that is housed on the second computer is 'back up'. Back up refers to the process of copying and archiving a particular computer data in order to have an extra copy to fall back on in the event of data loss. <span />
They may invade privacy rights of air space and be used for other unintended acts such a bombings and espionage
Answer:
C) both a and b
Explanation:
13) The domain name system ________.
A) is a way to find a host's IP addresses if your computer only knows the host's host name
B) is a general naming system for the Internet
C) both A and B
D) neither A nor B