What is the maximum number of MSTIs supported in an MST region?
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A. B. C. D.B
MST (Multiple Spanning Tree) is a protocol that allows multiple VLANs to be mapped to a single spanning tree instance, reducing the number of STP instances needed in the network. MST can be configured to divide the network into multiple regions, each with its own set of spanning trees, called Multiple Spanning Tree Instances (MSTIs).
The maximum number of MSTIs supported in an MST region is 64. This limit is defined by the IEEE 802.1s standard, which specifies that an MST region can support up to 64 MSTIs. Each MSTI can support a different set of VLANs, and each MSTI has its own spanning tree instance.
When configuring MST, it's important to keep in mind that the number of MSTIs used can impact the performance of the network. Each MSTI requires additional processing and memory resources on the switches, so it's recommended to limit the number of MSTIs used to only those that are necessary for the network design.
In summary, the correct answer to the question is B, 64.