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200-301 · Question #1431
200-301 Question #1431: Real Exam Question with Answer & Explanation
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Submitted by lucia.co· Mar 5, 2026Network Access
Question
Which action protects a network from VLAN hopping attacks?
Options
- AImplement port security on internet-facing VLANs.
- BChange the native VLAN to an unused VLAN ID.
- CEnable dynamic ARP inspection.
- DConfigure an ACL to prevent traffic from changing VLANs.
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Topics
#VLAN hopping#Native VLAN security#Layer 2 security