最新的IBM Certified Solution Developer認證 C2090-424考試題庫

問題1

Which one of the following stages requires a schema file when using Runtime Column Propagation?

A. Sequential File Stage

B. Data Set Stage

C. Transformer Stage

D. Modify Stage

正確答案: A

說明：（僅 VCESoft 成員可見）

問題2

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

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

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

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

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

正確答案: C

問題3

Which of the following is an FTP Collection method?

A. Sort Merge

B. Random

C. Hash

D. Same

正確答案: A

問題4

For very large records, you may need to set the following environment variable with an appropriate value in order to allow the job to run successfully:

A. $APT_DISABLE_COMBINATION

B. $APT_DEFAULT_TRANSPORT_BLOCK_SIZE

C. $APT_RECORD_COUNTS

D. $APT_MONITOR_SIZE

正確答案: B

問題5

Which of the following will determine the running row number within a group?

A. Insert an Aggregator stage, hashing on the key column, prior to the Transformer stage

B. Use a Remove Duplicates stage prior to the Transformer stage based on the key column, with the Duplicate set to retain = last option

C. Use a Surrogate Key Generator stage to generate the running row number prior to the Transformer stage

D. Use a Sort stage prior to the Transformer stage based on the key break column. Then, use the LastRowinGroup() function to determine the last row in a group

正確答案: D

問題6

Your job aggregates data before writing the results out to a DB2 table. You have since learned that this job will be required to aggregate very large amounts of data. To ensure high performance you create a new, non-default configuration file for the job that defines a node pool named "highperfnodes" that includes only nodes with very high processing power.
What additional design changes do you need to make to the job to ensure that it aggregates the data using the "highperfnodes" pool? (Choose two.)

A. Change properties in the Aggregator stage to force it to use the new non-default configuration file

B. Add the $APT_CONFIG_FILE environment variable as an additional job parameter

C. Select the "highperfnodes" pool in the Execution tab of the Job Properties window

D. Add a Sort stage before the Aggregator stage to sort the data before the data is aggregated

E. Change properties in the Aggregator stage to force it to use the nodes in the appropriate pool

正確答案: C,E

問題7

How do you create a shared table definition from the DataStage client?

A. It cannot be done within the DataStage client. Use the InfoSphere Metadata Asset Manager (IMAM) utility instead.

B. Do nothing. They are created automatically when table definitions are imported

C. Use the shared table creation wizard from the repository window

D. Use the save button on the columns tab of the stage editor

正確答案: C

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