Dear All,
i am preparing for my CCNP-Switch exam and using cisco practice question, i have faced following question regarding extended system-id and is confusing me, i would highly appreciate your valuable answer.
Question.
What is the effect of the given configuration?
spanning-tree extend system-id
spanning-tree mode pvst
spanning-tree backbonefast
A:It enables the reduced MAC address feature.
B:It enables spanning-tree to create dynamic system IDs.
C:....
D:....
option C and D are incorect so i didnot write them here.
from my researchs, i have found that the both ansers are true, but in the exam i should select only one option, what does your knowledge/experince says ?
Best regards and thanks in advance.
