Free Hitachi HCE-5920 Exam Dumps Questions & Answers

Which PDI step or entry processes data within the Hadoop cluster?

• A.  the Pentaho MapReduce entry
• B.  the Hadoop File Output step
• C.  the Hadoop Fie Input step
• D.  the Hadoop Copy files entry

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.  Ensure there is enough memory on the Pentaho server and that there are no "Out Of Memory' errors in the log.
• C.  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
• D.  Make sure the customer is using data partitioning to ensure parallel processing for fasterexecution

You are planning to connect to a secured Hadoop duster
from Pentaho.
Which two authentication methods are supported? (Choose two)
Choose 2 answers

• A.  X.509 Certificate
• B.  Password
• C.  Trusted
• D.  Keytan

A Big Data customer is experiencing failures on a Table input step when running a PDl transformation on AEL Spark against a large Oracle database.
What are two methods to resolve this issue? (Choose two.)
Choose 2 answers

• A.  Load the data to HDFS before running thetransform.
• B.  Add the Step ID to the Configuration File.
• C.  Increase the maximum size of the message butters tor your AEL environment.
• D.  Increase the Spark driver memory configuration.

you want to enable PDI step monitoring Since memory resources are limited. you decide to set a limit to vie number of snapshots.
Which option should be used to accomplish this task?

• A.  the 'KETTLE_MAX_JOB_TRACKER_SIZE' option in kettle properties.
• B.  the Logging interval(seconds)' option in thePerformance section
• C.  The 'Maximum number of snapshots in memory option in the Monitoring tab
• D.  The 'Limit' option in the Snapshot tab