单选题Select valid reasons for IT performance issues that cannot be universally solved by adding more hardware：（）A adding hardware may exacerbate inefficiency， which can lead to over provisioning and lower utilizationB performance may degrade due to bottlenecks such as database connections that won’t scale in lock step with other dimensions such as computing capacity or memoryC both A and B are validD neither A nor B are valid
单选题
Select valid reasons for IT performance issues that cannot be universally solved by adding more hardware：（）
A
adding hardware may exacerbate inefficiency， which can lead to over provisioning and lower utilization
B
performance may degrade due to bottlenecks such as database connections that won’t scale in lock step with other dimensions such as computing capacity or memory
C
both A and B are valid
D
neither A nor B are valid
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