Free Hitachi Vantara Certified Specialist HCE-5920 Ultimate Study Guide (Updated 61 Questions)
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Hitachi HCE-5920 Exam Syllabus Topics:
| Topic | Details |
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| Topic 2 |
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| Topic 3 |
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NEW QUESTION 19
You have used for copies of the Sort rows step in parallel on the local JVM using the 'Change number of copies to start option.
Each of the sorted stream need to be merged together to ensure the proper sort sequence.
Which step should be used in this scenario?
- A. the Sorted Merge step
- B. the Dummy step
- C. the Merge Join step
- D. the Append Streams step
Answer: C
NEW QUESTION 20
You are planning to connect to a secured Hadoop duster
from Pentaho.
Which two authentication methods are supported? (Choose two)
Choose 2 answers
- A. Trusted
- B. X.509 Certificate
- C. Password
- D. Keytan
Answer: A,D
NEW QUESTION 21
You have multiple transformations that read and process data from multiple text files. You identity a series of stepsthat are common across transformations and you want to re-use them to avoid duplication of code.
How do youaccomplishthis?
- A. Use the "Mapping (sub-transformation)' step containing the series of steps.
- B. Use the "Get data from XML' step to read the series of steps
- C. Use the ETL Metadata Infection' stop containing the series of steps.
- D. Use the 'Job Executor1 step containing the series of steps
Answer: C
NEW QUESTION 22
You are adding an 'MD5_ Value' column to the dimension table to uniquely identify a record in the source system.
Which step should you use to accomplish this tasks?
- A. the "String operations' step
- B. the' Add a checksum' step
- C. the 'Concat Fields' step
- D. the 'Formula' step
Answer: C
NEW QUESTION 23
A customer has an archive-basedinstallation. They have not configured logging tables or changed the default configuration settings.They need to research an issue that has been affecting one of their scheduled PDI jobs for the past week.
In this situation, where do they go to view more details about the execution of these jobs?
- A. pentaho-service/data
- B. pentaho-server/tomcat/logs
- C. solutions/system/karaf/system/org/apache/karaf/logpentaho/server/pentaho-solution/system/karaf/System/commons logging
- D. pentaho-server/pentaho
Answer: A
NEW QUESTION 24
What must be the first PDI step in a child transformation ingesting records from Kafka?
- A. Get data from Kafka
- B. Get rows from result
- C. Kafka Consumer
- D. Get records from stream
Answer: B
NEW QUESTION 25
You are preparing a server environment for an archive installation of a Pentaho server According to HitachiVantara best practices which environment variable should be set?
- A. PENTAHO_JAVA_HOME
- B. SPOON HOME
- C. JAVA_HOME
- D. KETTLEHOME
Answer: A
Explanation:
Explanation
Set environment variablesIf you do not set the HOME environment variables, Pentaho will not start correctly.Complete the steps in this topic to ensure that you have set the HOME environment variables properly.
* Set the path of the PENTAHO_JAVA_HOME variable to the path of your Java installation, as shown:
SET PENTAHO_JAVA_HOME=C:\Program Files\Java\jdk8.x.x.x
* (Optional) If you are using a JRE, then also set the JRE_HOME home environment variable.
* Log off and log on again, then verify the variables have been properly set by using a command similar to the following example:
ECHO %PENTAHO_JAVA_HOME%
https://help.hitachivantara.com/Documentation/Pentaho/8.3/Setup/Prepare_your_Windows_environment_for_an
NEW QUESTION 26
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 Madoop Fie Input step
- B. the MapReduce Output step
- C. the MapReduce Input step
- D. the Hadoop File Output step
Answer: A,C
NEW QUESTION 27
What are two ways to schedule a PDI job stored in the repository? (Choose two.) Choose 2 answers
- A. Use Spoon connected to the Pentaho repository and choose Action > Schedule in the menu.
- B. Use the kitchen script specifying a job in the repository and schedule it using cron.
- C. Use the pan script specifying a job in the repository and schedule it using cron.
- D. Write a login script to startthe timer and execute a kitchen script specifying a job in the repository.
Answer: B,C
Explanation:
Explanation
https://help.hitachivantara.com/Documentation/Pentaho/8.1/Products/Data_Integration/Schedule_Perspective#:~
NEW QUESTION 28
You want to manage a slowly changing dimension as type II.
Which step in PDI should you use to accomplish this task.
- A. The'Shared Dimension'step
- B. The'Table output step
- C. The'Dimension Lookup/update'step
- D. The'Combination lookup/update'step
Answer: B
NEW QUESTION 29
You need to perform a union of two data flows in a PDI transformation. You plan on having one step receive the two hops from the different flows.
Which two statements are true in this scenario? (Choose two.)
Choose 2 answers
- A. You can use the 'Dummy (do nothing)' step to join these two flows.
- B. The row layout can be different between the two steps as long as the data types are the same
- C. You can only use the Append streams step to join these two flows.
- D. The row layout must be identical between the two steps.
Answer: A,D
Explanation:
Explanation
https://help.hitachivantara.com/Documentation/Pentaho/7.0/0L0/0Y0/030/010
NEW QUESTION 30
Which two PDI steps are used to parse XML content? (Choose two.)
Choose 2 answers
- A. the 'Add XML'step
- B. the 'XML Join' step
- C. the 'Get data from XML' step
- D. the 'Modified Java Script Value' stop
Answer: B,D
NEW QUESTION 31
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 'Maximum number of snapshots in memory option in the Monitoring tab
- C. the Logging interval(seconds)' option in the Performance section
- D. The 'Limit' option in the Snapshot tab
Answer: B
NEW QUESTION 32
A customer has an existing PDI job that calls a transformation. They want to execute the transformation through Spark on their Hadoop cluster.
Which change must be made to satisfy this requirement?
- A. Change theLogging options of the transformation
- B. Change the Parameters of the transformation
- C. Change the Run Configuration of the transformation
- D. Change the Arguments of the transformation
Answer: C
NEW QUESTION 33
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. Change the reference in the Table input step to '?'
- B. Add a transformation entry in the job that sets the table_name variable.
- C. Add a transformation entry in the job that uses theGet Variables step.
- D. Add a Set Variable step before the Table input step in the transformation.
Answer: D
NEW QUESTION 34
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. Define the true 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. Do not define any evaluation hop out of the Job entry that are going to verify.
- D. Definethe false evaluation hop out of the job entry that you are going to verify.
Answer: C
NEW QUESTION 35
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 Tomcat startup bat or startup.sh script
- B. Modify the Pentaho server's tog4j.xml.
- C. Modify the start-pentaho bat or start-pentaho.sh script
- D. Modify the transformation's properties.
Answer: D
NEW QUESTION 36
A transformation is running in a production environment and you want to monitor it in real time.
Which tool should you use?
- A. Log4j
- B. Kettle status page
- C. Monitoring tab
- D. Pentaho Operations Mart
Answer: C
NEW QUESTION 37
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