What is a characteristic of a layered defense-in-depth security approach?

What is a characteristic of a layered defense-in-depth security approach?

• Three or more devices are used.
• Routers are replaced with firewalls.
• One safeguard failure does not affect the effectiveness of other safeguards.
• When one device fails, another one takes over.

Explanation: When a layered defense-in-depth security approach is used, layers of security are placed through the organization-at the edge, within the network, and on endpoints. The layers work together to create the security architecture. In this environment, a failure of one safeguard does not affect the effectiveness of other safeguards.

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