IBM A2090-421 real exam prep : Assessment: InfoSphere DataStage v8.5

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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Rows of data going into a Transformer stage are sorted and hash partitioned by the Input.Product column. Using stage variables, how can you determine when a new row is the first of a new group of Product rows?

A) Create a stage variable named sv_IsNewProduct and follow it by a second stage variable
named sv_Product. Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product <> sv_Product THEN "YES"
ELSE "NO".
B) Create a stage variable named sv_IsNewProduct and follow it by a second stage variable
named sv_Product. Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product = sv_Product THEN "YES"
ELSE "NO".
C) Create a stage variable named sv_Product and follow it by a second stage variable named
sv_IsNewProduct . Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product <> sv_Product THEN "YES"
ELSE "NO".
D) Create a stage variable named sv_Product and follow it by a second stage variable named
sv_IsNewProduct . Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product = sv_Product THEN "YES"
ELSE "NO".

2. You are responsible for deploying objects into your customers production environment. To ensure the stability of the production system the customer does not permit compilers on production machines. They have also protected the project and only development machines have the required compiler. What two options will allow jobs with a parallel transformer to execute in the customers production machines? (Choose two.)

A) Export the jobs with Information Server Manager with the executables.
B) Add $APT_COMPILE_OPT=-portable
C) Create a package with Information Server Manager and select the option to include executables.
D) Set $APT_COPY_TRANSFORM_OPERATOR

3. You have been asked to assess the impact of replacing the DB2 Enterprise Stage with the DB2 Connector. You must identify all of the jobs and shared containers that use the DB2 Enterprise Stage.
What two Advanced Find criteria would you set to identify the jobs and containers? (Choose two.)

A) Where used
B) Include Read only objects
C) Type
D) Dependent upon

4. You are experiencing performance issues for a given job. You are assigned the task of understanding what is happening at run time for that job. What are the first two steps you should take to understand the job performance issues? (Choose two.)

A) Run job with $APT_TRACE_RUN set to true.
B) Replace Transformer stages with custom operators.
C) Review the objectives of the job.
D) Run job with $APT_DUMP_SCORE set to true.

5. Click on the Exhibit button.

Using this report, how many processes and on how many nodes does this score depict?

A) 2 processes on 2 nodes
B) 3 processes on 2 nodes
C) 3 processes on 3 nodes
D) 2 processes on 3 nodes

Solutions: