Answer: trojan horse virus
Explanation:A trojan horse is a non-replicating program that looks legitimate, but it is actually used to perform malicious and illicit activities when launched. Attackers use trojan horses to steal a user's
personal information like password information, or they may simply use it to destroy programs or data on the hard disk.
Bridge communication is the best solution to continue two different building for the same company.
<u>Explanation:</u>
Bridge communication to be placed in both building.master device should be placed in one building where should be connected to a high-end server and the slave device should be placed in another device.
Both the master device and salve should have a subsequent TCPIP address. For example, if the master TCPIP address is 192.168.1.51 and the salve Tcpip address should be 192.168.1.52.
Very easy configure and communication is established. Both devices should be connected with nonstop current interruption. Once communication established speed depends on device capacity.
When I answered this it was C
Out door air pollution has been a problem since ancient Romans...but the industrial revouloution was when outdoor air pollution increased and it a significant problem...
hope this helps