Question 15: What option(s) best describe the differences between Map…

Select all that apply.

1. A

   MapReduce forces barrier synchronization after every step, while Spark'sexecution is gated on Actions

2. B

   MapReduce leverages memory heavily, while Spark optimizes for disk-basedcomputations

3. C

   MapReduce leverages disk heavily, while Spark optimizes for memory-basedcomputations

4. D

   MapReduce executes linearly without parallelization, while Spark executes inparallel using Directed Acyclic Graphs

5. E

   MapReduce enables massively parallel computation, while Spark's driverprogram sequentially executes each worker