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Alik [6]
3 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]3 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]3 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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3 years ago
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Answer:I did the calculations and i believe i got it right.

Explanation:

Mercury sold 500 tickets at $40 a piece, okay, still with me, good. Yet, only 450 tickets were used during the month. What that mean is to minus 50 tickets. 50 multiplied by $40 is $2000. 500 multiplied by $40 equals to $20000. $20000 minus $2000 is equaled to $18000. They also had a Unearned Revenue account that had a credit balance of $5000. So, that means they should be in "debt." They should have $-15000. Add $2000, it is equaled to $-13000. So it should be $-13000. If wrong, i'm sorry.

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3 years ago
Cemptex Corporation prepares its statement of cash flows using the indirect method to report operating activities. Net income fo
Lady bird [3.3K]

Answer:

711,300

Explanation:

Net cash generated from operating activities can be calculated by deducting and adding back the cash and non-cash items respectively from the net income for the year. Such as depreciation will be added back in net income due to it is a non-cash expense

Net Income                                                                       624,000

Depreciation and amortization                                         87,000

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Increase in inventories                                                       (9,200)

Increase prepaid expenses                                                (8,500)

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4 0
1 year ago
Caroline is an artist. She purchases canvas, paints, brushes, and accessories for $75. She sells orn of her original paintings t
liberstina [14]

Answer:

Value added to the gallery will be $3000

So option (C) will be correct answer

Explanation:

We have given that Caroline sells her original painting for $1500 to an art gallery.

And after that her painting was sold to an art lover at cost of $4500

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Value added to the gallery will be equal to difference of price sold to the art lover and cost at which painting is sold to art gallery

So value added to gallery = $4500 - $1500 = $3000

So option (C) will be correct answer

4 0
3 years ago
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