Wednesday, June 27, 2012

Exam Question : CCNP (Switch) - 642-813

What two steps can be taken to help prevent VLAN hopping? (Choose two.)

A. Placeunused ports in a common unrouted VLAN.
B. EnableBPDU guard.
C. Implementport security.
D. Preventautomatic trunk configurations.
E. DisableCisco Discovery Protocol on ports where it is not necessary.

Answer: AD

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