QUESTION 4 Dave heads the information technology department of a small company based in Atlanta that sells customized T-shirts over the Internet. The company has seen a surge in popularity and is planning to expand its operational base to four more cities. However, Dave has now been asked to come up with a strategy to cut down on the costs incurred in maintaining multiple servers in different cities to host the marketing and e-commerce sites. Which of the following measures will help Dave achieve his objective? leasing private lines to transmit information between the corporate sites using virtualization to run multiple operating systems on a single server system Isolating each of the cities' servers and running dedicated operating systems on them procuring server hardware from multiple vendors, instead of just one