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Cisco Implementing and Administering Cisco Solutions (200-301 CCNA) v1.1 200-301 Question # 9 Topic 1 Discussion

Cisco Implementing and Administering Cisco Solutions (200-301 CCNA) v1.1 200-301 Question # 9 Topic 1 Discussion

200-301 Exam Topic 1 Question 9 Discussion:
Question #: 9
Topic #: 1

What is a practice that protects a network from VLAN hopping attacks?


A.

Enable dynamic ARP inspection


B.

Configure an ACL to prevent traffic from changing VLANs


C.

Change native VLAN to an unused VLAN ID


D.

Implement port security on internet-facing VLANs


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