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Friday 18 November 2016

Latest Cisco 200-120 Exam Study Material

Question 27

What value is primarily used to determine which port becomes the root port on each nonroot switch in a spanning-tree topology?


A.  path cost
B.  lowest port MAC address
C.  VTP revision number
D.  highest port priority number
E.  port priority number and MAC address


Correct Answer: A
Explanation

The path cost to the root bridge is the most important value to determine which port will become the root port on each non-root switch. In particular, the port with lowest cost to the root bridge will become root port (on non-root switch).

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