Wednesday, February 2, 2011

QUESTION 15 Which two values are used by Spanning Tree Protocol to elect a root bridge?

QUESTION 15
Which two values are used by Spanning Tree Protocol to elect a root bridge? (Choose two.)

A. amount of RAM
B. bridge priority
C. IOS version
D. IP address
E. MAC address
F. speed of the links

Answer: BE

Explanation:
ROOT Bridge in STP is like the reference point to that network. A ROOT bridge is elected using Bridge Priority and MAC

Address.Generally Priority of switches is
the default for all i.e. 32768.So the switch with Lowest MAC Address becomes Root Bridge of that network.

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