Question

6)What allows spark streaming to provide fault tolerance for network sources of data?

a.re-computation of RDD lineage from the cache

b.replication of streamed data to  multiple worker node

c.Re-computation of RDD lineage from persisted RDDs

d.RDD is not lineage from RDD

Answer 1

Hi@ritu,

Fault tolerance is the property that enables a system to continue operating properly in the event of the failure of some of its components. Replication is the way to control the failure of the data. I think option B is the right answer.