Answer:
The correct option is;
MapReduce runs without fault tolerance
Step-by-step explanation:
Map Reduce is a technique of processing or a framework of software, that is geared towards managing, sorting and handling large data by working in the Map and Reduce phases where the map function involves the dividing, filtering and sorting of the data and mapping of the split data while the reduce method involves the rearranging, summary activities having the data reduced.