網路作業

1.What is ISM band? Where is its location in the EM wave Spectrum?
2.What is Multi-Path Fading?
3.What are the differences between Infrastructure and Ad Hoc wireless network?
4.Why do Cellular wireless networkd divide their coverage areas into smaller cells?
5.What are the differences between Hard handoff and Soft handoff?
6.List three technologies which make digital signals transmission through subscriber loop possible.
7.Explain how Discrete Multi-Tone is used in ADSL.
8.What is Multiplesing?What is Mldulation?
9.Explain T1/DS1 by using sampling rate,frame structure, and transmission speed.
10.what is bandwidth?