Answer:
*Internet of things*
Explanation:
A network with multiple physical smart devices are known as <em>things</em> on the network
The answer is "the failure to pay back a loan".
In computer systems, we have a different meaning to the word default. It is referred to the setting or option in a computer upon opening a program or application. But according to the dictionary, default refers to the failure to make a payment such as a loan.
You should try to be brief but highly descriptive in the subject line
The answer would be people
I use host -a
dig and nslookup could do it, I forget the switches and arguments.