1- Explain why wireless devices are inherently less secure than their wired counterparts?

2- Explain why a wireless network has a large number of features distinctively different from those seen in a wire-line network?

3- Explain different security threats of a network?

4- Explain different limitations of mobile environment

5- Explain the four major areas of mobile systems security?

6- What are the features that were enabled in the second generation of cellular networks and were not available in the first generation of cellular networks?

7- What are the data that is hold in a SIM card?

8- Explain the two components that identify the service providers in the second generation of cellular communication networks?

9- What are the improvements that the third-generation networks provide over the second-generation ones?