The answer is a. utility bills
Answer:
Explanation:
When I think about computers, I can understand about the software and the hardware, we can touch the hardware, but the software don't because is only data stored in the hardware, we can interact with the stored data using the hardware, we can complete a system with data, software, hardware, and people, people try to learn about software because it is better paid than fix a hardware.
Answer:
Filament
Explanation:
Filament is the plastics that 3d printers use to make objects.
The default value at which a refresh interval (an interval a sec. server check for zone updates) is 15 minutes.
If this value is increased, the network traffic is reduced. In the eventuality that the refresh interval expires, the secondary zone will contact the primary zone and request it to initiate the zone transfer.