Discuss the issue of securing backups. there have been several incidents lately in which backup media containing personal customer information were lost or stolen. how should backup media be secured? what about off-site storage of backups?

When used-car dealers signal the quality of a used car with a warranty, a. buyers believe the signal because the cost of a false signal is high b. it is not rational to believe the signal because some used-car dealers are crooked c. the demand for lemons is eliminated d. the price of a lemon rises above the price of a good used car because warranty costs on lemons are greater than warranty costs on good used cars