Wallpaper = A covering that has all kinds of designs on it. As you see on the wallpaper, there are no designs but it does have color.
Book covers = A book cover protects the book. The covering shows pictures which describes what kind of book it is.(Ex:) As you can see on the cover of the book, a color background but in the foreground is a tree and a mockingbird.
Wrappers = a piece of paper or can be plastic that might have some words or color to it. (Ex:) The wrapper has words on it with a blue background along with a black and white cookie in the foreground.
I hope I helped you and if you want to edit these answers, you can but these are my examples. :)
Answer:
Authoritative
Dig Into DNS
Explanation:
In the above question that which function will the domain receive from the name server is an Authoritative functions because it is the server that issues command to the domain
The full meaning of Dig in this context is Domain Information Groper which is refer to the administration command line instrument which is use in the navigating and querying of the Domain Name System,and which is also used for verifying and troubleshooting any Domain Name System issues.
Your best bet is to research about it online or watch tutorials on YouTube for a better understanding :) <span />