Đang chuẩn bị nút TẢI XUỐNG, xin hãy chờ
Tải xuống
Lecture Data communications and computer networks: A business user's approach (8E) - Chapter 11. After reading this chapter, you should be able to: identify the basic elements of a telephone system and discuss the limitations of telephone signals; describe the composition of the telephone industry before and after the 1984 Modified Final Judgment and explain the differences; describe the difference between a local exchange carrier and an inter-exchange carrier and list the services each offers; . Please refer to the content of document. |