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STP question on the ICND2 book, wrong answer ?

bastien1
Beginner
Beginner

Hello everyone,

I'm currently studying for the ICND2 and I'm having trouble understanding the answers (which are officially a & d) of this question (see the attached picture).

 

I agree with the "d" answer which is "This switch uses RSTP" but I don't agree with the "a" one stating "The root switch’s MAC address is 1833.9d7b.0e80 and the local switch is the root."

 

The output of the "show spanning-tree vlan 5" do not show any sentence saying "The bridge is the root" and there is no bridge ID in this output so we don't know what is the MAC address of this switch ...

 

Is this an error ?


Regards

 

 

 

 

1 Accepted Solution

Accepted Solutions

Peter Paluch
Cisco Employee
Cisco Employee