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Exam CAS-005 topic 1 question 87 discussion

Actual exam question from CompTIA's CAS-005
Question #: 87
Topic #: 1
[All CAS-005 Questions]

A network engineer recorded the following test results:



After a new network security appliance was deployed, the results of the network test are as follows:



Which of the following network infrastructure components most likely produced these results?

  • A. IPS
  • B. CDN
  • C. VPN
  • D. IDS
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Suggested Answer: A 🗳️
by vicbersong at May 8, 2025, 12:29 p.m.

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vicbersong
1 month, 2 weeks ago
Selected Answer: A
Before deploying the new appliance: All connections were allowed with low latency (8–11ms). After deploying the new appliance: Significantly increased latency on allowed connections (e.g., 710ms, 211ms). One connection was dropped entirely. Indicates deep packet inspection or inline filtering happening. Why it points to an IPS: IPS (Intrusion Prevention System) works inline, actively analyzing and potentially blocking traffic in real time. It introduces latency due to deep inspection. Can drop suspicious traffic, as seen with 192.168.1.68.
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