最新的Hitachi HCE-5920免費考試真題

問題1

A Big Data customer wants to run POI transformations on Spark on their production Hadoop cluster using Pentaho's Adaptive Execution Layer (AEL) What are two steps for installing AEL? (Choose two.) Choose 2 answers

A. Configure the AEL daemon in YARN Mode

B. Configure the AEL daemon in Local Mode.

C. Run the Spark application butter tool to obtain the AEL daemon zip file.

D. Run the AEL Oozie job to install the AEL daemon.

正確答案: A,B

說明：（僅 Fast2test 成員可見）

問題2

you want to make a dynamic PDI transformation that is driven with variables that areloaded from a properties file.
Which free form text fields within a step can be configured with variables?

A. any free form text field with a '@' sign next to it.

B. Any free form text field with a ''V'' next to it

C. Any free form text field with the variable name entered in all caps

D. any free form text field with a '$' sign next to it.

正確答案: A

問題3

You have a PDI job where you want to dynamically pass a table name to the Table input step of a transformation. You have replacedthe table name reference in the transformation's Table input step with'$(table_name)' but when the transformation runs the table name is shown as '$(table_name)' Which action will correct this issue?

A. Add a transformation entry in the job that sets the table_name variable.

B. Add a transformation entry in the job that uses theGet Variables step.

C. Change the reference in the Table input step to '?'

D. Add a Set Variable step before the Table input step in the transformation.

正確答案: D

問題4

What are Job checkpoints?

A. Points in a job that log the step metrics during certain intervals

B. Error handing hops that manage e-mail notifications.

C. Points in a job that sends a heartbeat request to the Pentaho server to ensure connectivity.

D. Points in a job that have finished successfully and are automatically skipped after a previously failed run

正確答案: A

問題5

You are running a PDI Joband you need to identify when something fails for a specific job entry to notify the sysops team about the failure.
Which statement is correct in this scenario?

A. Definethe false evaluation hop out of the job entry that you are going to verify.

B. Define the unconditional evaluation hop out of the job entry that you are going to verify.

C. Define the true evaluation hop out of the job entry that you are going to verify.

D. Do not define any evaluation hop out of the Job entry that are going to verify.

正確答案: D

問題6

A customer's transformation Is running slowly in a lest environment. You have access to Spoon and you can run and monitor the job.
How do you troubleshoot this problem?

A. Execute the transformation via the pan script and pass the performance gathering parameter.

B. Verify that there are no bottleneck slaps m the transformation by comparing the amount of rows in the input buffer versus the output buffer within the Step Metrics tab

C. Make sure the customer is using data partitioning to ensure parallel processing for fasterexecution

D. Ensure there is enough memory on the Pentaho server and that there are no "Out Of Memory' errors in the log.

正確答案: A

問題7

You are developing the PDI solution for a customer. The customer requires that a set of SQL statements are executed on each connection to the database.
Which method will satisfy this requirement?

A. Use the Options section in the Database Connection windows and pass the SQL statements to the database as a parameter.

B. Use the Advanced section in the Database Connection window to enter the SQL statements.

C. Use JNDI to specify the SQL statements.

D. Use the Database Connection wizard and specify SQL statements.

正確答案: A

最新的Hitachi Vantara Certified Specialist - Pentaho Data Integration Implementation - HCE-5920免費考試真題

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