Answer:
Hardware layer
Explanation:
The hardware layer's job is to maintain and put to action central processor units and memory. Hardware layer first check the availability of the for mentioned duo and then decides the need to put one or another into action. Physical and data link layers act the same in the hardware layer. They bot are waiting to be called in action
Answer:
Many occupations use mathematics, even if it is not the primary focus of a given job.
Explanation:
Think about software developers, they develop apps, websites, and other things, but they also use math in the process. Scientists use statistics. Mechanics use math to make sure their measurements are right. Therefore, I think your best bet would be
A. Many occupations use mathematics, even if it not the primary focus of a given job.
It sounds like you are looking for a network. If a node can not find a network to connect to, then it cannot connect.
