The most common transmission medium deployed in the metro network is:
A) DWDM, wireless Bluetooth, fiber optic cable, copper, coaxial cable.
B) Fiber optic cable and copper cable.
C) Fiber optic cable, wireless, copper cable.
D) None of the above
D
You might also like to view...
Answer the following statement(s) true (T) or false (F)
1. Coal-burning power plants are the predominant source of electricity generation in the U.S. 2. The total asset value of electrical facilities in the U.S. is around $8 billion and the industry’s annual sales are around $3 billion, according to the U.S. Department of Energy. 3. An efficient and safe method of meeting peak demands needs is to transport power into the high demand area from another part of the grid where demand is lower. 4. The generating capacity of the smart grid is decentralized. 5. A smart meter is the only device required to make a smart grid home more energy efficient.
At the end of Reconstruction, Southern whites disenfranchised African Americans using
A. literacy requirements. B. poll taxes. C. onerous and intimidating voter registration laws. D. lynching. E. All of these choices are correct.
Which of the following is false?
A. Never wear gloves when using a bench grinder B. Wear leather gloves when working with refrigerant C. Disposable vinyl gloves help protect hands from exposure to oil and fuel D. Welding gloves harden when repeatedly exposed to high temperatures
Electrical diagrams are generally drawn to scale.
Answer the following statement true (T) or false (F)