Answer:
The answers are: it is used to enable fast DNS queries and It can help reduce the amount of network traffic generated by DNS servers.
Explanation:
Because a DNS server can resolve a query from tis local data sends a recursive qyery to a root server.
Answer:
i think you can layer it :)
Explanation:
nice drawing btw!
Answer:
DVI is the oldest out of the four.
Explanation:
DVI and VGA are the oldest, but DVI is oldest and least desirable to use since it is outdated.
Answer:
C) Router
Explanation:
In computer networking, the router's function is to stand in between diferent data lines and control the flow of data packets. When a packet arrives from one direction, it reads the address information in the header to determine its direction. Note that the data lines will contain different IP addressing scheme, so considering the scenario in the above question, since the offices use different IP schemes, a router will serve the purpose of directing data packets to allow communication.
Answer:
(a). Voltage X Current
Explanation:
Power -
In the concept of physics , power is denoted by P ,
Power = Voltage * Current
Power = V * I
The unit is Ampere * Voltage
Power is defined as the rate of work done , i.e. , work divided by time .
Power = work / time .
Power is a scalar quantity .
The standard unit of power is Watt , which is denoted by W .
