Pentaho Intermediate Quiz

1) How to execute job from command line?

1. “file=-filename”
2. “-file=<filename>”
3. “file=-filename”
4. None of the above

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2) Which Step can be used to get the properties of a file?

1. Get File Names
2. Get File Rows
3. Get File Id
4. None of the above

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3) Result of the exceuted procedure is stored in

1. Result Name
2. Result
3. Output
4. Non of the above

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4) Step used to get union of two data sets from two streams is

1. Append Streams
2. Union
3. Append
4. Union Streams

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5) If Cache size in rows is set to zero in Database lookup step then that means

1. Cache Nothing
2. Cache only first row
3. Cache Everything
4. Cache Last row

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6) which of the following statements are true? Select all that apply

1. All steps in a transformation run in parallel
2. All steps in a job run in parallel
3. all steps in a transformation run in sequence
4. All steps in a job run in parallel & steps in a job execute in order

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7) fill in the blanks:____________type of logging gives a very detailed output

1. Detailed
2. Debug
3. Row level
4. Nothing

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8) How do you do a database join with PDI?

1. Table Input
2. Database Join
3. Merge Join
4. All of the above

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9) which step is used to Execute SQL script extracted from a field created in a previous step.

1. Execute row SQL script
2. Execute SQL script
3. SQL
4. Analytic Query

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10) Memory group by step doesn’t require sorted input

1. TRUE
2. FALSE

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11) Which step is used for merging two streams and flagging the rows for insert ,update ,delete and new

1. Merge Join
2. Merge Rows (diff)
3. Join Rows (cartesian product)
4. Database Join

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12) there are 3 typrs of repositories to save kettle jobs and transformations

1. TRUE
2. FALSE

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13) Choose the types of repositories that can be used to save kettle jobs and transformations

1. File Repository
2. Database Repository
3. Enterprise Repository
4. All of the above

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14) Whch of the following steps acts like a SQL case statement in PDI

1. Filter
2. Switch/case
3. Java filter

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15) Stream lookup can be used to lookup data in which of the following sources

1. File
2. Database
3. Both

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16) Sort rows step can be used to remove duplicate data ?

1. TRUE
2. FALSE

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17) How to determine the slowest step in a transformation

1. A slow step will have consistently large input buffer sizes
2. A slow step will consistently have low input buffer sizes

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18) How to determine the fastest step in a transformation

1. A fast step will have consistently large input buffer sizes
2. A fast step will consistently have low input buffer sizes

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19) Which of the following statements are true (Select all of them)

1. Arguments are command line arguments that you would normally specify during batch processing (via Pan)
2. Arguments are environment or PDI variables that you would normally set in a previous transformation in a job or in the Operating System.
3. Variables are environment or PDI variables that you would normally set in a previous transformation in a job or in the Operating System.
4. A & B

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20) The Simple-JNDI layer does not create true JNDI connections, so the behavior of connections in Spoon may differ slightly compared to an Application Server running the same PDI job or transformation.

1. TRUE
2. FALSE

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21) What is the syntax to pass an argument to the table input step from the previous step.

1. SELECT VID FROM CO_VEHICLES WHERE PONO = ${input_param};
2. SELECT VID FROM CO_VEHICLES WHERE PONO = ?;

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22) What is the syntax to pass an variable to the table input step

1. SELECT VID FROM CO_VEHICLES WHERE PONO = ${input_param};
2. SELECT VID FROM CO_VEHICLES WHERE PONO = ?;

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23) SELECT VID FROM CO_VEHICLES_${NUMBER};What PDI does for these query (if you enable “variable replacement” in the table input step)

1. Replace the variables in the SQL statements;
2. Bind the parameters per execution;
3. Both

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24) Can the steps in a transformation be sequentialised?

1. yes
2. no

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25) By default Null and “” are the same in PDI

1. TRUE
2. FALSE

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26) IN PDI every row which is sent over a single hop needs to be of the same structure

1. TRUE
2. FALSE

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27) which step can be used to get system date and arguments?

1. Get system info
2. get varibles
3. Get files from result
4. get repository names

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28) Are loops allowed in a transformation

1. Yes
2. No

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29) Are loops allowed in a job

1. Yes
2. No

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30) To cache all the rows in a databas lookup step “Cache size in rows” should be set to?

1. 0
2. 1
3. Null
4. None of the above

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31) Lookups Steps is used to look up data in

1. flat file
2. Relational table
3. view
4. All of the above

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32) What are the types of joins  that  Joiner Components supports ?

1. Full Outer
2. Inner
3. Cross Join
4. All of the above

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33) Which of these are true statements to improve  performance of joiners in Pentaho? Select all of them

1. Do not user master outer join
2. Use sorted input to decrease the use of
3. Limit connected input/output Sources.
4. B & C

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34) Which is not a function of Pentaho Repository ?

1. Check out and check in versioned objects
2. Compare objects
3. Track changes to an object
4. Update a version

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35) What folder are the kettle.properties and shared.xml files stored in

1. .pentaho
2. .kettle
3. data-integration
4. config

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36) How can you set where the folder containing the kettle.properties and shared.xml is

1. Environment variable – KETTLE_HOME
2. Environment variable – PENTAHO_HOME
3. It can’t be changed
4. It is always located in the directory where the script is run from

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37) What is stored in kettle.properties

1. Default properties file for variables
2. Default shared objects file
3. The database cache for metadata
4. The local repositories file

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38) How do you access Parameters in a Transformation so that they can be used with the data records

1. Use Get Variables to create variables populated with the Parameter’s value
2. Parameters can be directly referenced by their name for each data record
3. They aren’t used in the data record
4. Parameters can only be used by the first step in the transformation

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39) Are the JavaScript steps the same for Job and Transformation?

1. Yes
2. No

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40) If there is a name collision between a parameter and a variable, what will take precedence

1. Parameter
2. Variable
3. Job will throw an error
4. None of the above

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41) Execution order for Java Script in Modified Java Script Value step.

1. Set Start Script
2. Set End Script
3. Set Transform Script

 

1. 1,2,3
2. 3,1,2
3. 1,3,2
4. 2,1,3

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42) Text file input step have compression option in it.

1. TRUE
2. FALSE

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43) Which of the below option is not available in Generate Random Value

1. Random Integer
2. Random Number
3. Random String
4. Random Character

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44) Which Output type is not available in Automatic Documentation Output Step

1. PDF
2. DOC
3. XML
4. XLS

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45) while using sort in a partition is it necessary to use sort merge?

1. Yes
2. No

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46) you can call one transformation in multiple jobs?

1. TRUE
2. FALSE

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47) What is the return code of a shell script/batch file for success

1. 1
2. 0

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48) whcich statement is true abt arguments

1. Arguments are command line arguments that you would normally specify during batch processing (via Pan)
2. Arguments are environment or PDI variables that you would normally set in a previous transformation in a job or in the Operating System.
3. Variables are environment or PDI variables that you would normally set in a previous transformation in a job or in the Operating System.
4. Variables are command line arguments that you would normally specify during batch processing (via Pan)

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49) whcich statement is true abt Variables

1. Arguments are command line arguments that you would normally specify during batch processing (via Pan)
2. Arguments are environment or PDI variables that you would normally set in a previous transformation in a job or in the Operating System.
3. Variables are environment or PDI variables that you would normally set in a previous transformation in a job or in the Operating System.
4. Variables are command line arguments that you would normally specify during batch processing (via Pan)

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50) In Spoon, a running transformation will also highlight the step icon’s border for any steps that may be considered bottlenecks.

1. TRUE
2. FALSE

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51) whch step can be used to duplicate/copy a field in a transformation

1. Java script
2. Calculator
3. Select Values
4. All of the above

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52) The Call DB PRocedure needs to be triggered explicitly in PDI?

1. TRUE
2. FALSE

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53) Which format should be selected in table output step to get the result in the below format?100.23

1. #,##0.###
2. #.00
3. #.#
4. #####.###%

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54) Can we use Microsoft excel as an output in PDI?

1. Yes
2. No

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55) when using partition you would choose the most non repeating key as the partiton key?

1. TRUE
2. FALSE

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56) which step can be used to insert booleans into a MySql database as PDI encodes a boolean as ‘Y’ or ‘N’ and this can’t be insert into a BIT(1) column in MySql.

1. Select values
2. Javascript
3. Calculator
4. Value Mapper

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57) I made a transformation using 28/222 in a calculator step  the 2 input fields are integer but my result type is Number(6, 4). What is the expected output

1. 0
2. 1261
3. 12612612613

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58) The HTTP client step needs to be triggered explicitly in PDI?

1. TRUE
2. FALSE

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59) Does the HTTP client support SOAP?

1. YES
2. NO

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60) How do you do a database join with PDI?

1. Table Input
2. Database Join
3. Merge Join
4. All of the above

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