If a single spine device fails, what percentage of the remaining bandwidth will be available from leaf node to leaf node?

A customer has a 3-stage Clos architecture with three spine devices as shown in the exhibit.

If a single spine device fails, what percentage of the remaining bandwidth will be available from leaf node to leaf node?
A . approximately 25%
B . approximately 75%
C . approximately 33%
D . approximately 66%

View Answer

Answer: D

Explanation:Leaf-to-leaf communication has 3 paths via each Spine node; lose 1 Spine, lose 1 path, i.e. 33%