problem 1: Describe the three main classes of guided media.

problem 2: What is the main benefit of shielded twisted pair over the unshielded twisted pair?

problem 3: Why is coaxial pair superior to the twisted pair cable?

problem 4: Describe the modes for propagating light all along the optical channels.

problem 5: Why are the communication satellites in geosynchronous orbit?

problem 6: What do you mean by handoff in the cellular telephony?

problem 7: What does Shannon capacity has to do with the communications?

problem 8: Describe what crosstalk is and what is required to reduce it?

problem 9: describe the components of the fiber-optic cable. Draw its picture.

problem 10: describe the layers of the atmosphere. What kinds of radio communication use each?