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Posted By admin on November 17, 2010

Exam Number/Code : 70-691
Exam Name : Windows HPC Server 2008, Developing

Update Time : 2010-11-5

 

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1. You plan to develop a parallel application by using Windows HPC Server 2008.

You plan to use a method to control the calculations performed by each individual process.

You need to ensure that different commands can be sent to each process.

Which function should you use?

A. MPI_Send

B. MPI_Bcast

C. MPI_Gather

D. MPI_Reduce

Answer: A

 

2. You plan to develop a parallel application by using Windows HPC Server 2008.

You need to implement a method that will send different data to each process in a communicator by using a single call.

Which function should you use?

A. MPI_Send

B. MPI_Gather

C. MPI_Reduce

D. MPI_Scatter

Answer: D

 

3. You plan to develop a parallel application by using Windows HPC Server 2008.

The application performs the following tasks:

·Performs multistep calculations

·Processes data by using the same code segment that runs on each compute node

You need to ensure that each compute process executes the same step simultaneously.

Which type of communication should you use?

A. Buffered

B. Collective

C. Non-blocking

D. Point-to-point

Answer: B

 

4. You plan to develop a parallel application by using Windows HPC Server 2008.

You need to ensure that when the application starts, a parameter value is communicated to each process in the cluster by using a single call.

Which function should you use?

A. MPI_Send

B. MPI_Bcast

C. MPI_Gather

D. MPI_Reduce

Answer: B

 

5. You plan to develop a single program multiple data (SPMD) application by using Windows HPC Server 2008.

You use multiple processes to perform intermediate calculations and to provide the results as a single number.

You need to ensure that the intermediate results are collected and added together by using a single MPI function.

Which function should you use?

A. MPI_Send

B. MPI_Bcast

C. MPI_Gather

D. MPI_Reduce

Answer: D

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