How is wavelength division multiplexing used?
What will be an ideal response?
Wavelength division multiplexing (WDM) is used with fiber-optics in a manner similar to how frequency-division multiplexing is used with copper. Wavelength division multiplexing uses lasers to transmit different frequencies of light through the same fiber-optic cable. At the sending end, narrow bands of light are combined into a wider band. The wider band is the high-speed circuit. At the receiving end, the signals are separated. A more complex form of wavelength division multiplexing is dense wavelength division multiplexing. Dense wavelength division multiplexing (DWDM) combines wavelength division multiplexing with time-division multiplexing. Using DWDM, one fiber-optic cable can send up to 400 Gbps (billions of bits per second).
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In the sales and operations planning process, which of the following is an option for influencing supply?
a. price b. backorders and reservation systems c. advertising and promotions d. use of subcontracting
Purple Airlines has ordered 30 small jets from its supplier. The supplier has estimated the first aircraft will require 350 days of direct labor to manufacture and assemble. Based on past experience, the supplier estimates the learning curve to be 75%. Estimate the number of days of direct labor for the 15th jet aircraft.
a. 113.75 days b. 115.32 days c. 120.43 days d. 116.87 days
An increase in sales on the income statement will cause a buildup in assets
Indicate whether the statement is true or false
TCP/IP protocol architecture is a scheme of protocol types arranged in four layers.
Answer the following statement true (T) or false (F)