Is the knowledge, tools, and techniques used to transform inputs into outputs

Kyle, a receptionist for a building supply company, recently won an award for saving his company money on their phone system. after being presented with kyle's research, the company changed the way in which it made long-distance phone calls and cut their expenses in this area by 75 percent. the new system the kyle's company most likely adopted was wired communications switching stations voip hdtv

Which argument is not a valid filter? does not equal this quarter filter by cell color all of these are valid filter arguments.

Is the number of sentinels that need to agree the fact that the master is not reachable and make a failover procedure promoting slave to master.