Answer:
a. A only
Explanation:
When air, is in excess of allowable amounts, it can cause the system to operate at pressures that are higher than normal. This means that the recycled refrigerant is operating at high pressure. Thus Technician A is correct.
However, Technician B is incorrect because unlike reclaimed refrigerants where the process strip the refrigerant of impurities making it to meet the standards of a new refrigerant, the recycled refrigerant is not as pure as it's contaminants are only reduced.
Therefore, only technician A is correct.
Answer:
The answer is letter C
Explanation:
Systems used by many providers require customers to share bandwidth with neighbors
Answer: False
Explanation: Even if the internet service is not connected with the operating system while accessing the database, it is still on risk and can be vulnerable to get attacked. Devices of the system like USB drive can happen to have the malware which creates the risk towards database.
The computer system can get invoked with the virus or other attack while the user connects the internet afterwards when he/she is not accessing the database, these malware get stored in system once they get invoked and corrupt the system and its database even when the internet connection is not present .Thus, the statement given is false.
The largest geologic time frame is Eon.