Frame relay:
A) is a relatively complicated and sophisticated protocol
B) does not require the information to be opened by every device in order to know which circuit to route it on
C) takes the information longer to travel the network
D) requires high-cost equipment
E) does not require that a VC be built between devices before the circuit is turned up for service
F) is a connectionless oriented protocol
B
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Calculate the AQI for a city with a measured 1-hr nitrogen dioxide concentration of 0.267 mg/m3. What AQI-based level of health concerns should be reported?
What will be an ideal response?
Ductile iron pipe cannot be cut with a(n) _____.
a. plasma arc torch b. abrasive cutoff saw c. soil pipe cutter d. hacksaw
Mark has 21 acres of tobacco. For weed control, he applied herbicide A at 9.4 fluid ounces per acre and herbicide B at 1.8 pints per acre. He applied 275-240-270 units of fertilizer per acre using 46-0-0 urea at $508.95 per ton, 18-46-0 DAP at $707.84 per ton, and 0-0-50 sulfate of potash at $684.14 per ton. He set the tobacco in 36-inch rows with plants 15 inches apart in the row. Mark paid $690 per acre to have the tobacco harvested. He paid $0.20 per pound for stripping. He had a yield of 2,054 pounds per acre. Mark received $1.74 per pound for his tobacco. If he hired all the work done, it would cost him 74 percent of his income to produce the crop. If he did most of the work, it would cost him 48 percent of his income.
a. How many quarts of herbicide A were used? b. How many tons of fertilizer were applied? c. What did the fertilizer cost? d. What did it cost to have the tobacco harvested and stripped? e. What was his income if he hired all the work done? f. If Mark did most of the work himself, how much more would he receive by not hiring all the work done?
The following problem is based on the these cash flows and an interest rate of 10% per year.
 FIGURE 1.png)
The annual worth of alternative Y is closest to:
(a) $?50,000
(b) $?76,625
(c) $?90,000
(d) $?92,000