. only communicators and not groups are accessible to the programmer only by a "handle"

[Solved] Interface (MPI)?

Q.	Interface (MPI)?
A.	. a specification of a shared memory library
B.	. mpi uses objects called communicators and groups to define which collection of processes may communicate with each other
C.	. only communicators and not groups are accessible to the programmer only by a "handle"
D.	. a communicator is an ordered set of processes
Answer» C. . only communicators and not groups are accessible to the programmer only by a "handle"

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