You are an administrator for a large engineering firm that must carefully maintain good backups of both on$-$premises and cloud data and configurations. You are choosing a cloud backup provider. The CIO as advised you that for critical systems no more than $15$ minutes of data can be lost and for non$-$critical systems only $2$ hours of data can be lost. When examining SLAs, what will be the most important thing to verify before selecting a backup product to adhere to the requests of your CIO?

Select one:

a$.$ RTO

b$.$ MTBF

c$.$ RPO

d$.$ MTTR