A Network Technician Is Deploying Mobile Phones for a Company's

Multiple Choice

A network technician is deploying mobile phones for a company's sales staff. Salespeople frequently travel nationally and internationally to meet with clients, and often have to roam or switch cellular providers. Which of the following standards is the BEST option to fit the requirements?

A) GSM
B) TDM
C) CDMA
D) PSTN
E) MIMO