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Which of the following devices should not be part of a networks perimeter defense?

Which of the following devices should not be part of a networks perimeter defense?

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A.
A boundary router

B.
A firewall

C.
A proxy server

D.
None of the above�all are needed to protect the network behind the perimeter

Explanation:
D: The security perimeter is the first line of protection between trusted and untrusted networks. In general, it includes a firewall and router that helps filter traffic. Security perimeters may also include proxies and devices, such as an intrusion detection system (IDS), to warn of suspicious traffic. The defensive perimeter extends out from these fi rst protective devices, to include proactive defense such as boundary routers which can provide early warning of upstream attacks and threat activities. Page 765.

3 Comments on “Which of the following devices should not be part of a networks perimeter defense?

  1. joe says:

    The security perimeter is the first line of protection between trusted and untrusted networks. In general, it includes a firewall and router that helps filter traffic. Security perimeters may also include proxies and devices, such as an intrusion detection system (IDS), to warn of suspicious traffic. The defensive perimeter extends out from these first protective devices, to include proactive defense such as boundary routers which can provide early warning of upstream attacks and threat activities.

    該安全邊界是信任和不信任網絡之間的保護的第一道防線。在一般情況下,它包括一個防火牆和路由器,有助於濾波器的流量。安全邊界還可以包括代理和設備,諸如入侵檢測系統(IDS),以警告可疑流量。在防守外線從這些第一保護裝置延伸出來,包括主動防禦,如邊界路由器,可提供上游的攻擊和威脅活動的早期預警。




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