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(ISC)2

CISSP · Question #1462

Which of the following is the MOST effective strategy to prevent an attacker from disabling a network?

The correct answer is B. Design networks with the ability to adapt, reconfigure, and fail over. Explanation Designing networks with adaptability, reconfiguration capabilities, and failover mechanisms directly addresses the threat of network disablement by ensuring the network can automatically respond and recover even when under attack - making it extremely difficult for…

Submitted by daniela_cl· Mar 5, 2026Communication and Network Security

Question

Which of the following is the MOST effective strategy to prevent an attacker from disabling a network?

Options

  • ATest business continuity and disaster recovery (DR) plans.
  • BDesign networks with the ability to adapt, reconfigure, and fail over.
  • CImplement network segmentation to achieve robustness.
  • DFollow security guidelines to prevent unauthorized network access.

How the community answered

(42 responses)
  • A
    7% (3)
  • B
    69% (29)
  • C
    19% (8)
  • D
    5% (2)

Explanation

Explanation

Designing networks with adaptability, reconfiguration capabilities, and failover mechanisms directly addresses the threat of network disablement by ensuring the network can automatically respond and recover even when under attack - making it extremely difficult for an attacker to fully take down the system. Option A (testing BC/DR plans) is a reactive measure focused on recovery after a disruption, not preventing one. Option C (network segmentation) improves security by limiting lateral movement, but primarily contains breaches rather than preventing the network from being disabled entirely. Option D (security guidelines) helps prevent unauthorized access but doesn't specifically address the resilience needed to keep a network operational during an active attack.

Memory Tip: Think "ADAPT to ATTACK" - the key word in the question is disabling the network, which points to resilience and continuity of operations. Whenever a question asks about preventing service disruption, look for answers involving failover, redundancy, or adaptability rather than access control or planning.

Topics

#Network Resilience#High Availability#Fault Tolerance#Secure Network Design

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