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最新的 IBM Specialist A2090-421 免費考試真題:

1. Which two statements are true regarding access to a MQ queue? (Choose two.)

A) MQ stage connects to a queue manager in Client mode only.
B) MQ connector stage is capable of connecting to Queue manager in both Server and Client mode.
C) MQ stage and MQ connector stages support destructive reads.
D) MQ plugin stage can be used to read and write messages from a remote MQ message queue.

2. Which three methods can be used to import metadata from a Web Services Description Language (WSDL) document? (Choose three.)

A) Job Stage Column tab properties entered using "Load" feature
B) Web Services WSDL Definitions
C) XML Table Definitions
D) Orchestrate Schema Definitions
E) Web Service Function Definitions

3. Which of the following describes a type two update in a Slowly Changing Dimensions (SCD) stage?

A) An update that overwrites the existing column value.
B) An update that retains the existing column value in a list and adds the new value to the list.
C) An update that replaces the existing column value if a specified condition is satisfied.
D) An update the retains the existing column value in an historical row and creates a new row with the new value.

4. A customer is complaining of poor performance from the job shown in the exhibit, which aggregates and joins on ZIP code. Currently all partitioning is set to "Auto" and sort/partition insertion is allowed.

What would give the best performance improvement for the job?

A) Hash partition and sort on ZIP code prior to the Copy stage and use entire partitioning on the output of the Aggregator stage.
B) Hash partition and sort on ZIP code prior to the Copy stage, and use same partitioning on the Aggregator and Join stages.
C) Hash partition and sort on ZIP code on the input links to the Aggregator and Join stages.
D) Use same partitioning on all input links in the job; create the input data set by hash-partitioning its input on ZIP code.

5. You are assigned to correct a job from another developer. The job contains 20 stages sourcing data from two Data Sets and many sequential files. The annotation in the job indicates who wrote the job and when, not the objective of the job. All link and stage names use the default names. One of the output columns has an incorrect value which should have been obtained using a lookup. What could the original developer have done to make this task easier for maintenance purposes?

A) Named all stages and links based on what they do.
B) Named all stage and links the same.
C) Named all stage and links with column names and ideas.
D) Indicated all stage names within the job annotation.

問題與答案：