C2090-303の無料問題集（134題）、C2090-303認定試験参考書

IBM C2090-303 問題集

試験コード：C2090-303

試験名称：IBM InfoSphere DataStage v9.1

最近更新時間：2024-12-17

問題と解答：全134問

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質問 1：
Your job sequence must be restartable. It runs Job1, Job2, and Job3 serially. It has been compiled with "Add checkpoints so sequence is restartable". Job1 must execute every run even after a failure. Which two properties must be selected to ensure that Job1 is run each time, even after a failure? (Choose two.)
A. In the Job1 Activity stage set the Execution action to "Reset if required, then run".
B. Set trigger on the Job1 Activity stage to "Unconditional".
C. In the Job1 Activity stage set the Execution action to "Run".
D. Use the Nested Condition Activity with a trigger leading to Job1; set the trigger expression type to "Unconditional".
E. Set the Job1 Activity stage to "Do not checkpoint run".
正解：A,E

質問 2：
In the exhibit, a Funnel stage has two input links. Input 1 (Seq_File) comes from a Sequential File stage with "Readers per Node" set to "2". Input 2 (Dataset) comes from a dataset created with 3 partitions. In the Funnel stage, the funnel type is set to "Sequence".

The parallel configuration file contains 4 nodes. How many instances of the Funnel stage run in parallel?
A. 2
B. 4
C. 6
D. 1
正解：B

質問 3：
In the Slowly Changing Dimension stage, a dimension columns Purpose code property can trigger which two actions. (Choose two.)
A. Update fact table keys.
B. Update the dimension table.
C. Detect dimension changes.
D. Insert rows into the fact table.
E. Delete duplicate dimension table rows.
正解：B,C

質問 4：
You have made a copy of your job and made major changes to a job in your project. You now want to identify all the changes that have been made. What task will allow you to identify these changes?
A. Export the original job to a backup directory.
B. Select the job, then right click Compare against.
C. Export the modified job to the backup directory.
D. Select the job, then right click Cross Project Compare.
正解：B

質問 5：
Identify the two statements that are true about the functionality of the XML Pack 3.0. (Choose two.)
A. Uses a unique custom GUI interface called the Assembly Editor.
B. XML Stage can be found in the Database folder on the palette.
C. XML Stages are Plug-in stages.
D. A single XML Stage, which can be used as a source, target, or transformation.
E. It includes the XML Input, XML Output, and XML Transformer stages.
正解：A,D

質問 6：
What two binding types are supported by Information Services Director (ISD) for a parallel job that is designed to be used as a service? (Choose two.)
A. EJB
B. STREAMS
C. HDFS
D. SOAP
E. SQL
正解：A,D

質問 7：
Your job is using the Sequential File stage as a source. Identify two stage property configurations that will allow you to accomplish parallel reads? (Choose two.)
A. Read Method property set to 'Specific File(s)' with only one file specified and the 'Readers Per Node' property value set to greater than 1.
B. Read Method property set to 'Specific File(s)' with more than one file specified and each file specified has the same format/column properties.
C. Read Method property is set to 'Parallel' with the Key property set to a Input column that has the file names.
D. Read Method property set to 'File Pattern' and the environment variable $APT_IMPORT_PATTERN_USES_FILESET is set to 'FALSE'.
E. Read Method property set to 'File Pattern' and the 'Readers per Node' property value set to greater than 1.
正解：A,B

質問 8：
The data going into the target Sequential Files stage is range-partitioned and sorted. Which technique method would be the most efficient to create a globally sorted target sequential file?
A. Select the Ordered collector method for the final Sequential File stage.
B. Insert a Funnel stage before the final Sequential File stage and select Sequence as Funnel Type.
C. Select an in-stage sort in the final Sequential File stage.
D. Select the Sort Merge collector method for the final Sequential File stage.
正解：A

質問 9：
What is the result of running the following command: dsjob -report DSProject ProcData
A. Returns a report of the last run of the ProcData job in a DataStage project named DSProject.
B. Runs the DataStage job named ProcData and returns performance information, including the number of rows processed.
C. Generates a report about the ProcData job, including information about its stages and links.
D. Runs the DataStage job named ProcData and returns job status information, including whether the job aborted or ran without warnings.
正解：A

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IBM InfoSphere DataStage v9.1 認定 C2090-303 試験問題:

1. Your job is using the Sequential File stage as a source. Identify two stage property configurations that will allow you to accomplish parallel reads? (Choose two.)

A) Read Method property set to 'Specific File(s)' with only one file specified and the 'Readers Per Node' property value set to greater than 1.
B) Read Method property set to 'Specific File(s)' with more than one file specified and each file specified has the same format/column properties.
C) Read Method property is set to 'Parallel' with the Key property set to a Input column that has the file names.
D) Read Method property set to 'File Pattern' and the environment variable $APT_IMPORT_PATTERN_USES_FILESET is set to 'FALSE'.
E) Read Method property set to 'File Pattern' and the 'Readers per Node' property value set to greater than 1.

2. What are the two Transfer Protocol Transfer Mode property options for the FTP Enterprise stage? (Choose two.)

A) SFTP
B) EFTP
C) TFTP
D) FTP
E) RFTP

3. Indicate two possible job design topologies that Information Services Director (ISD) parallel jobs can conform to. (Choose two.)

A) A job with a single ISD Transformation stage.
B) A job with one ISD Input stage and no ISD Output stage.
C) A job with one ISD Input stage and greater then one ISD Output stage.
D) A job with no ISD Input stage and with one ISD Output stage.
E) A job with greater then one ISD input stage and one ISD Output stage.

4. You would like to pass values into parameters that will be used in a variety of downstream activity stages within a job sequence. What are two valid ways to do this? (Choose two.)

A) Use local parameters.
B) Add a Transformer stage variable to the job sequence canvas.
C) Place a parameter set stage on the job sequence.
D) Check the "Propagate Parameters" checkbox in the Sequence Job properties.
E) Use the UserVariablesActivity stage to populate the local parameters from an outside source such as a file.

5. You are editing the configuration file. Which statement is true about file system efficiency?

A) For the resource disk, it is best to use the partition where the engine is installed.
B) In a clustered environment where NAS is used for a common storage, you must specify the internal disk for scratch disk.
C) Using multiple scratch spaces in a logical node improves performance.
D) Creating scratch disk spaces on an internal disk rather than on an NFS drive improves sort performance.

質問と回答：

質問 # 1
正解： A、B

質問 # 2
正解： A、D

質問 # 3
正解： B、D

質問 # 4
正解： A、E

質問 # 5
正解： D