Answer Happy

Question 3 3 pts Which statement is correct? MPI collective communication is communication that involves all the processes in a communicator. O MPI point-to-point communication is communication that involves all the processes in a communicator. O MPI point-to-point communication is applicable to a shared-memory context. MPI collective communication is applicable to a shared-memory context. D Question 4 3 pts Which statement is correct? a A process is a single application or program, whereas a thread is a subprocess within that application or program. Each process has its own address space in memory; threads share their address space. Data racing happens when at least two threads read the same shared data. Data racing happens when two processes need to communicate on a shared data. O Data racing happens when two processes need to communicate in a distributed-memory context.