What statement is true if a new switch with a lower bridge ID is introduced in a network with root guard enhancement?

A. Prevent unknown switch be a root port

B. Root Guard puts the port into root-inconsistent

C. Allow two root bridges in a network

D. All ports of the new switch are changed to listening state








 

Suggested Answer: B

Reference:
https://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/10588-74.html

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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