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What security feature allows this?

You are surfing the Web via a wireless network. Your wireless connection becomes unreliable, so you plug into a wired network to continue surfing. While you changed physical networks, your browser required no change. What security feature allows this?

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A.
Abstraction

B.
Hardware Segmentation

C.
Layering

D.
Process Isolation

Explanation:
Answer C is correct; Layering means a change in one layer (hardware) has no direct effect on a nonadjacent layer (application).

Incorrect Answers and Explanations: A, B, and D: Answers A, B, and D are incorrect. Abstraction hides unnecessary details from the user, which is related to (but different) from layering. Hardware segmentation provides dedicated hardware or portions of hardware to specific security domains. Process isolation prevents one process from affecting the confidentiality, integrity or availability of another.

One Comment on “What security feature allows this?

  1. joe says:

    Answer C is correct; Layering means a change in one layer (hardware) has no direct effect on a nonadjacent layer

    Abstraction hides unnecessary details from the user, which is related to (but different) from layering.

    Hardware segmentation provides dedicated hardware or portions of hardware to specific security domains.

    Process isolation prevents one process from affecting the confidentiality, integrity or availability of another.




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