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Exam CNX-001 topic 1 question 21 discussion

Actual exam question from CompTIA's CNX-001
Question #: 21
Topic #: 1
[All CNX-001 Questions]

A company is experiencing multiple switch failures. The network analyst discovers the following:
Network recovery time is unacceptable and occurs after the shutdown of some switches.
Some loops were detected in the network.
No broadcast storm was detected.
Which of the following is the most cost-effective solution?

  • A. Add a new Layer 3 switch.
  • B. Add multiple VLANs.
  • C. Implement STP.
  • D. Implement tagging.
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Suggested Answer: C 🗳️
by SuntzuLegacy at May 19, 2025, 2:23 a.m.

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SuntzuLegacy
1 month, 1 week ago
Selected Answer: C
Answer: C. Implement STP Spanning Tree Protocol (STP) is specifically designed to detect and prevent Layer 2 loops and to provide quick failover paths when a switch goes down. Enabling STP (or a modern variant such as RSTP) is typically the most cost-effective way to eliminate loops and reduce downtime resulting from switch failures.
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