What is near-field communication and how is it used in business? What factors should be considered when evaluating mobile networks?

TASK

1. What are the factors contribute to mobility?
2. Why is mobile global traffic increasing?
3. What accounts for the increased in mobile traffic?
4. Give some examples of VoIP networks.
5. How is NFC different from RFID?
6. What are the two components of a wireless network infrastructure?
7. What is near-field communication and how is it used in business?
8. What factors should be considered when evaluating mobile networks?