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Alik [6]
4 years ago
5

A datacenter recently experienced a breach. When access was gained, an RF device was used to access an air-gapped and locked ser

ver rack. Which of the following would BEST prevent this type of attack?
A. Faraday cage
B. Smart cards
C. Infrared detection
D. Alarms
Business
2 answers:
patriot [66]4 years ago
6 0

Answer:A. Faraday cage.

Explanation: Faraday cage is a kind of shield made up of conducting wires, Faraday's cage or shield is named after Michael Faraday who invented it in the year 1836.

Faraday cage is used to protect sensitive electronic equipment such as RF receivers) from external electromagnetic rays such as radio frequency interference (RFI) usually during testing or alignment of the device.

Faraday cage has also been used to protect equipment and people from Electric current and Damage.

babunello [35]4 years ago
4 0

Answer:

The correct answer is A. Faraday cage .

Explanation:

A Faraday cage is a metal box that protects against static electric fields. It owes its name to the physicist Michael Faraday, who built one in 1836. They are used to protect against electric shock, since inside the electric field is null.

The operation of the Farday cage is based on the properties of a conductor in electrostatic equilibrium. When the metal box is placed in the presence of an external electric field, the positive charges remain in the network positions; electrons, however, which in a metal are free, begin to move.

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clear clarification please

6 0
3 years ago
n 1982 the inflation rate hit 16%. Suppose that the average cost of a textbook in 1982 was $25. What was the expected cost in th
Elis [28]

Answer:

Total number of years = 35

a. Expected cost in 2017 = $25 * e^(35*0.16)

Expected cost in 2017 = $25 * e^5.6

Expected cost in 2017 = $25 * 270.42

Expected cost in 2017 = $6,760.50

b. If the average cost of a textbook in 2012 was $150, then the actual inflation rate:

150 = 25 * e^(r*t)

150 = 25 * e^(r*30)

6 = e^(r*30)

Taking log base e on both side

30r = Ln6

30r = 1.7918

r = 1.7918/30

r = 0.05972667

r = 5.97%

So,  actual inflation rate is 5.97%

6 0
3 years ago
a project has the activity duration and cost information indicated in the table where all times are in weeks. there is a penalty
Scrat [10]

Finishing this job could cost as low as $222,000 in total. If the project is finished in 45 weeks, the final cost will be $400,000. If the project is completed in 46 weeks, the overall cost will be $405,000. The project is finished in 45 weeks, which has the lowest overall cost.

This project can be finished for as little as $222,000 overall. This is so that there is no penalty if the project is finished in 45 weeks. A $5,000 fine is imposed if the project is finished in less than 46 weeks. Thus, completing the project in 45 weeks results in the lowest overall cost. Examining the costs associated with each action is one method to approach this. The first activity will cost $40,000 to complete. The second activity will cost $60,000 to complete. The third activity will set you back $80,000. The fourth action will set you back $100,000. The sixth activity will set you back $120,000. The project will cost $400,000 in total. The overall cost, if the project takes 45 weeks to complete, is $400,000. The whole expense is $405,000 if the project is finished in 46 weeks. Thus, completing the project in 45 weeks results in the lowest overall cost.

To know more about Cost, refer to this link:

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4 0
1 year ago
If the American company Stryker builds and operates a new factory in France, a. it engages in foreign direct investment. By itse
Iteru [2.4K]

Answer:

(D) - It engages in Foreign Direct Investment, which by itself raises US net capital outflow

Explanation:

Foreign Direct Investments (FDIs) are investments in physical assets, infrastructures, etc and other long-term assets made in a foreign country. They differ from Foreign Portfolio Investments (FPIs) which are investments in stocks, bonds, treasury securities and other listed securities which can be sold easily in financial markets. For instance, when a US-based corporation invests in the stocks or bonds of a French company, this is FPI. Whereas, when the US-based corporation establishes a company in France by investing as plants and machinery, this is FDI.

FDIs requires cash commitment for investing in the foreign nation. However, because the assets created as a result of these investments are owned by the originating country, it increases the volume of assets the country has abroad leading to an increase in net capital outflow. Net Capital Outflow is the volume of capital investment made by a nation in other countries, less the capital investment made by other countries into the nation.

Therefore, when Stryker builds and operate a new factory in France, it engages in Foreign Direct Investment. By itself this action raises US net capital outflow.

4 0
4 years ago
Jill scott is an accountant with cameron and associates, a law firm in downtown seattle. the firm maintains a checking account w
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3 years ago
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