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Exam 300-206 topic 1 question 79 discussion

Actual exam question from Cisco's 300-206
Question #: 79
Topic #: 1
[All 300-206 Questions]

You are a security engineer at a large multinational retailer. Your Chief Information Officer recently attended a security conference and has asked you to secure the network infrastructure from VLAN hopping.
Which statement describes how VLAN hopping can be avoided?

  • A. There is no such thing as VLAN hopping because VLANs are completely isolated.
  • B. VLAN hopping can be avoided by using IEEE 802.1X to dynamically assign the access VLAN to all endpoints and setting the default access VLAN to an unused VLAN ID.
  • C. VLAN hopping is avoided by configuring the native (untagged) VLAN on both sides of an ISL trunk to an unused VLAN ID.
  • D. VLAN hopping is avoided by configuring the native (untagged) VLAN on both sides of an IEEE 802.1Q trunk to an unused VLAN ID.
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Suggested Answer: D 🗳️
by [deleted] at April 3, 2025, 10:43 p.m.

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