Exam 200-120 Question id=128 LAN Switching Technologies

edge2#sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol ieee Root ID Priority 24964 Address 0017.9425.fc00 This bridge is the root Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 24964 (priority 24576 sys-id-ext 388) Address 0017.9425.fc00 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 300 Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Fa1/0/6 Desg FWD 19 128.8 P2p Fa1/0/24 Desg FWD 19 128.26 P2p Gi1/1/1 Desg FWD 4 128.27 P2p Gi1/1/2 Desg FWD 4 128.28 P2p

The output that is shown is generated at a switch. Which three statements are true?

A. All ports will be in a state of discarding, learning, or forwarding.
B. Ten VLANs have been configured on this switch.
C. The bridge priority is lower than the default value for spanning tree.
D. All interfaces that are shown are on shared media.
E. All designated ports are in a forwarding state.
F. This switch must be the root bridge for all VLANs on this switch.
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The default value bridge priority is 32768.

The p2p means Point-to-point environment not a shared media.

"Desg FWD" is short of "Designated Forwarding".




mistake 07.06.2016 08:16, mbelehenri:

A the command output doesn't show that we are running rspt, we cannot conclude on discarding port state

This output is taken after the mode is changed to rapid-PVST+:
Access1#show spanning-tree vlan 10

VLAN0010
Spanning tree enabled protocol rstp
Root ID Priority 24586

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