COMPTIA A+ Practice Exam

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What kind of interference does EMI describe?

  1. Between electrical appliances

  2. Between signals in close proximity

  3. Between software programs

  4. Between incompatible connectors

The correct answer is: Between signals in close proximity

EMI stands for electromagnetic interference and it describes the interference between electromagnetic signals in close proximity. Options A, C, and D are incorrect because they describe types of interference that are not related to electromagnetic signals. Additionally, option A specifically mentions interference between electrical appliances, while EMI covers a broader range of electronic devices and signals. Option C is incorrect because EMI deals with physical signals, not software programs. Option D is incorrect because it refers to physical connectors, while EMI deals with electromagnetic signals.

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