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HCE-5920 Certification Sample Questions certification Exam
Hitachi HCE-5920 Exam Syllabus Topics:
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NEW QUESTION 17
Which two statements are correct about the Repository Explorer? (Choose two.) Choose 2 answers
- A. You can create new jobs and transformations.
- B. You can upload JDBC drivers when defining JOBC connections.
- C. You can move. rename, and delete jobs and transformations.
- D. You can lock and unlockjobs and transformations.
Answer: C,D
Explanation:
Explanation
https://help.hitachivantara.com/Documentation/Pentaho/7.0/0L0/0Y0/040/010
NEW QUESTION 18
According to Hitachi vantara best practices, whichthree statements arc true when designing a realtime streaming, solution? (Choose me.) Choose 3 answers
- A. You should process data in large batches to make sure it is processed as soon as possible.
- B. Data duplication detection and management should be handled during realtime data processing.
- C. The Kafka Consumer step has an offset setting that allows records to be reprocessed in the event of failure.
- D. Using sorts during data ingestion can block downstream processing.
- E. You should enable error handing on each step that could cause a message parsing fatal error.
Answer: A,B,C
NEW QUESTION 19
You have a PDI job where you want to dynamically pass a table name to the Table input step of a transformation. You have replaced the 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 Set Variable step before the Table input step in the transformation.
- C. Add a transformation entry in the job that uses the Get Variables step.
- D. Change the reference in the Table input step to '?'
Answer: B
NEW QUESTION 20
Which two PDI steps are used to parse XML content? (Choose two.)
Choose 2 answers
- A. the 'Get data from XML' step
- B. the 'Add XML'step
- C. the 'XML Join' step
- D. the 'Modified Java Script Value' stop
Answer: C,D
NEW QUESTION 21
A customer needs to extract data from many afferent text He layouts with new file layouts being identified in the future andthey want to insert the data into corresponding database tables.They are concerned about maintainingmultiple PDI jobs and transformations given the large number of unique files.
What should you do to meet the requirements when creating transformations?
- A. Use the Transformation Executor step for each file.
- B. Use the Job Executor step for each file.
- C. Use the Metadata structure of stream step for each file.
- D. Use the ETL Metadata injection step
Answer: D
NEW QUESTION 22
You have a PDI job with an Oozie Job Executor entry and you want this job entry to finish before the next fob entry starts.
How do you accomplish this task?
- A. Add the timeout property in the Advanced Options pane.
- B. Use a Simple Evaluation entry
- C. Set the Enable Blocking option
- D. Use a Wart For entry
Answer: D
NEW QUESTION 23
Which two steps in a transformation allow variable values to be used throughout the rest of a PDI job?
(Choose two.)
Choose 2 answers
- A. the Modified Java Script Value' step
- B. the 'Table inpuT step
- C. the 'Set Variables' step
- D. the 'Select values' step
Answer: A,C
NEW QUESTION 24
You need to process dataon the nodes within a Hadoop cluster. To accomplish this task, you write a mapper and reducer transformation and use the Pentaho MapReduce entry to execute the MapReduce job on the cluster.
In this scenario, which two steps are required within the transformations? (Choose two.) Choose 2 answers
- A. the MapReduce Input step
- B. the Madoop Fie Input step
- C. the Hadoop File Output step
- D. the MapReduce Output step
Answer: A,B
NEW QUESTION 25
Which statement is true for a transformation?
- A. A transformation step processes one row at a time.
- B. A transformation step can have only one incoming hop and one outgoing hop.
- C. Atransformation must have a start step.
- D. Transformation steps are executed in parallel.
Answer: C
NEW QUESTION 26
After monitoring a performance bottleneck in transformation you identified a user Defined Java Expression step as the problem.
Choose 2 answers
- A. Replace me step with a User Defined Java Class step
- B. Replace the step with a Modified Java Script Value step
- C. Increase the Change Number of Copies to Start for tie stop
- D. Split the step into multiple consecutive steps
Answer: A,D
NEW QUESTION 27
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 stepsforinstalling AEL? (Choose two.) Choose 2 answers
- A. Run the AEL Oozie job to install the AEL daemon.
- B. Configure the AEL daemon in YARN Mode
- C. Run the Spark application butter tool to obtain the AEL daemon zip file.
- D. Configure the AEL daemon in Local Mode.
Answer: B,D
Explanation:
Explanation
https://help.hitachivantara.com/Documentation/Pentaho/8.3/Setup/Set_up_the_Adaptive_Execution_Layer_(AEL
NEW QUESTION 28
An existing PDI job that checks the availability of a Web service is a sending a failure email even when the Web service is available.
You want this failure email to be sent only when the Web service is unavailable.
What should you do on tie hop between me two entries?
- A. Set the hop Evaluation option to Follow When Result a True.
- B. Flip the direction
- C. Set the hop Evaluation option to Unconditional.
- D. Set the hop Evaluation option to Follow When.
Answer: B
NEW QUESTION 29
What are Job checkpoints?
- A. Points in a job that sends a heartbeat request to the Pentaho server to ensure connectivity.
- B. Points in a job that have finished successfully and are automatically skipped after a previously failed run
- C. Error handing hops that manage e-mail notifications.
- D. Points in a job that log the step metrics during certain intervals
Answer: D
NEW QUESTION 30
The log files on a Pentaho server rotate daily and are getting too large. You want to change want logs to rotate hourly.
how do you adjust the log settings?
- A. Modify the start-pentaho bat or start-pentaho.sh script
- B. Modify the Pentaho server's tog4j.xml.
- C. Modify the Tomcat startup bat or startup.sh script
- D. Modify the transformation's properties.
Answer: D
NEW QUESTION 31
Which three file formats are splittable on HDFS? (Choose three).
Choose 3 answers
Choose 3 answers
- A. Avro
- B. txt
- C. xisx
- D. xml
- E. Parquet
Answer: B,C,E
NEW QUESTION 32
Which script will execute jobs stored in a Pentaho server from a command line?
- A. carle
- B. kitchen
- C. spoon
- D. pan
Answer: D
Explanation:
Explanation
https://help.hitachivantara.com/Documentation/Pentaho/8.2/Products/Data_Integration/Command_Line_Tools
NEW QUESTION 33
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 the Database Connection wizard and specify SQL statements.
- D. Use JNDI to specify the SQL statements.
Answer: A
NEW QUESTION 34
You have a job that uses a Pentaho MapReduce entry to read four input files, and that outputs words and their counts to one output file.
How shouldyou set the number of reducer tasks?
- A. Set it to 4.
- B. Set it to blank.
- C. Set it to 1.
- D. Set it to 0.
Answer: B
NEW QUESTION 35
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. Ensure there is enough memory on the Pentaho server and that there are no "Out Of Memory' errors in the log.
- B. Execute the transformation via the pan script and pass the performance gathering parameter.
- C. Make sure the customer is using data partitioning to ensure parallel processing for faster execution
- D. 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
Answer: B
NEW QUESTION 36
You have a PDI job that gets a list of variables followed by three subsequent transformation entries. Since the three subsequent transformation entries are not dependent on each other. You want to execute them at the same time.
According the Hitachi Vantara best practices, how do you accomplish this task?
- A. Select the Run Next Entries in Parallel option for the three independent transformation entries.
- B. Select the Enable Downstream setting from the Hop Bulk Change submenu.
- C. Increase the Change Number of Copies to Start option on the input step of each of the subsequenttransformations.
- D. Select the Run Next Entries in Parallel option for the job entry that gathers variables.
Answer: A
NEW QUESTION 37
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