Which of these options supports to maintain the network architecture and stability of the root bridge in a spanning-tree service?

A. BPDU Filter

B. BPDU Guard

C. Root Guard

D. Loop Guard








 

Suggested Answer: C

BPDU Guard puts a portfast port in err-disabled in case of receiving a BPDU. But root guard is a feature specially designed in order to enforce the root bridge placement in the network forcing an interface to become a designated port to prevent surrounding switches from becoming a root switch.

This question is in 300-115 Implementing Cisco IP Switched Networks (SWITCH) Exam
For getting Cisco Certified Network Professional (CCNP) Routing and Switching Certificate





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