Refer to the exhibit.

A network architect is processing to a customer. The customer network manager has a
performance for Cisco Per-VLAN Spanning Tree Plus (PVST+) because this protocol provides for
fast convergence when a link fails and also provides per-VLAN load-sharing over links.
How should the network architect explain why the solution fits these requirements?

A.
The link aggregations between tiers provide even better resiliency and load-sharing than
PVST+ while MSTP protects against accidental loops.

B.
The solution as shown provides the same load-sharing benefits as PVST+ To achieve the
same resiliency benefits, the architect can add smart link to the meshed stack.

C.
The MSTP component of the solution fulfils the same needs as PVST+ MSTP simply balances
traffic per-instance rather than per-VLAN

D.
The redundant links between the switches are protected by MSTP and the built-in loop on HP
3800 switches MSTP provides load-sharing and loop guard provides resiliency.