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Exam CISA topic 1 question 1018 discussion

Actual exam question from Isaca's CISA
Question #: 1018
Topic #: 1
[All CISA Questions]

How does a switched network reduce the risk of network sniffing?

  • A. Switches can detect active packet sniffing devices in their subnet.
  • B. Packets are not broadcasted throughout the whole subnet.
  • C. Network traffic is generally reduced.
  • D. Source and destination addresses are encrypted.
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Suggested Answer: B 🗳️
by FAGFUR at Nov. 13, 2023, 7:28 p.m.

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FAGFUR
Highly Voted 5 months, 1 week ago
Selected Answer: B
A switched network reduces the risk of network sniffing primarily because packets are not broadcasted throughout the whole subnet. In a switched network, each switch maintains a table that maps MAC addresses to the corresponding switch ports. When a device sends a packet, the switch forwards the packet only to the specific port where the destination device is connected, rather than broadcasting it to all ports in the subnet.
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