IBM IBM Certifications C2090-424 Questions & Answers

• Question 51:

  Which of the following are valid stage options for a parallel DataStage job which uses a configuration file with multiple nodes and a File Connector as a source running in parallel mode? (Choose two.)

  A. Provide a specific file name in the file name property.

  B. In the file name property, provide a file name with a wildcard that matches the existing file names.

  C. Provide a specific file name in the file name property and select the option "Number of Readers Per Node" to be greater than 1.

  D. Set the read method with specific file(s), set the Read From Multiple Nodes = yes, and provide the specific file in the file property.

  E. Set the read method with a file pattern and provide a file name with a wildcard that matches the existing file names in the file pattern property.

  Correct Answer: CD

• Question 52:

  Given this score:

  

  It runs 3 processes on 2 nodes. How does the job run?

  A. On two physical nodes and two logical nodes

  B. On two physical nodes and single logical node

  C. On a single physical node and two logical nodes

  D. On a single physical node and single logical node

  Correct Answer: D

• Question 53:

  Given this configuration file: Which of the following describes the resulting behavior for a job consisting of Row Generator -> data set?

  

  A. Conductor, section leader and player processes are executed on the server is1 and is2.

  B. Conductor process is executed on the server is1. Section leader and Player processes are executed on the server is2.

  C. Conductor and section leader processes are executed on the server is1. Player processes are executed on the server is2.

  D. Conductor process and player processes are executed on the server is1. Section leader process is executed on the server is2.

  Correct Answer: C

• Question 54:

  Which of the following is NOT TRUE about the DataStage job score?

  A. It includes the operators automatically inserted at runtime

  B. It helps to determine the number of actual operating system processes

  C. It reports the amount of memory used by the inter-operator transport buffers

  D. It outlines the connection topology between adjacent operators and persistent data sets

  Correct Answer: B

• Question 55:

  Which statement about restartable sequence jobs is TRUE?

  A. If a restartable sequence aborts, it can be restarted from Director.

  B. Choosing "Reset job" from Director will start the job where it left off.

  C. Checkpoints are always added to every eligible Job Activity stage in the sequence.

  D. There is no way to force a Job Activity stage to return if the sequence got beyond it.

  Correct Answer: A

• Question 56:

  Which of the following is TRUE when using a data set created with a 4 node config file?

  A. Data sets are operating system files

  B. Data is stored in a non-persistent form

  C. The data set control file holds all your data

  D. A Data Set stage can have 1 input link and multiple output links

  Correct Answer: B

• Question 57:

  Consider a customer with multiple environments, Development, Test and Production. Which statement is TRUE?

  A. Each environment must have a C++ compiler.

  B. QualityStage rule sets are not a type of deployable asset.

  C. It is not possible to revert to a previous version of a package.

  D. A package can contain an improved version of a job which will replace the old one.

  Correct Answer: B

• Question 58:

  Which type of data can be extracted using the Unstructured Data stage?

  A. XML data

  B. Microsoft Word data

  C. Microsoft Excel data

  D. BigInsights HDFS file data

  Correct Answer: C

• Question 59:

  Which of the following actions are available when editing a message handler?

  A. Abort Job

  B. Demote to warning

  C. Promote to warning

  D. Promote to informational

  Correct Answer: C

• Question 60:

  The Lookup stage is one of three stages that join records based on the values of key columns. What are the other stages? (Choose two.)

  A. Join

  B. Merge

  C. Modify

  D. Funnel

  E. Difference

  Correct Answer: AB