Which of the Following Provides a Strong Magnetic Field Used

question 33

Multiple Choice

Which of the following provides a strong magnetic field used to completely erase data on a hard drive or tape drive?

• A) ATA Secure Erase
• B) low-level format
• C) degausser
• D) magnetic data filter

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Definitions:

Network Externalities

The effect that an additional user of a good or service has on the value of that product to others, often positive, as in the case of telecommunications networks.

Monopolist

A monopolist is a single supplier in a market who has significant control over prices and the availability of a product or service.

Economies of Scale

Economies of scale are cost advantages that enterprises obtain due to size, output, or scale of operation, with cost per unit of output generally decreasing with increasing scale.

Economies of Scale

Cost advantages reaped by companies when production becomes efficient, as the scale of operation increases with the reduction in average costs.