PART I
1. A number of techniques have been introduced to evolve 3G systems and 4G standards to improve the efficiency of VoIP support. Discuss one of these techniques. (i.e., How has multi-input, multi-output antenna design affected new mobile standards?)
1. Compare OSIRM layer two security mechanisms, for the standards WiFi and WiMAX.
PART II- Between 300 and 500 word in APA format.
Context: There is a distinct connection between MAC and IP addresses that is essential between the data-link and network layers.
Watch the following video https://www.youtube.com/watch?v=cm87QFlfOok on YouTube.
Define your understanding the MAC address and its relationship to the data-link layer.
How does packet switching use the MAC address?
Reference other material that aided you in your understanding.