Refer to the exhibit.
An architect determines that 80 Gbps bandwidth is required for the link aggregation between the Building 1aggregation layer and Building 2. Which transceivers should the architect recommend for each pair of switches?
A. two QSPF+ BiDi
B. two QSPF+ MPO
C. eight SPF+ LR
D. eight SFP+ SR
A is correct
A is correct as it is rated for 40GbE and requires only 2 strands
B is wrong because it requires 12 strands and there are only 6 strands between building