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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Which two data repositories can you use for user authentication within the Information Server Suite? (Choose two.)

A) the IBM Information Server user directory
B) the local operating system directory
C) the IBM Metadata repository
D) the IBM Suite User Configuration file specified within the dsenv file

2. 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_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".
C) 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".
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".

3. A script invokes an update job called "UpdateKeys" via a command line invocation of the dsjob command. The service is to wait for the completion and status of this job before continuing with the rest its tasks. Which three commands would invoke the "UpdateKeys" job in the MigrationProject and wait for its completion status? (Select three)

A) dsjob -run MigrationProject UpdateKeys
B) dsjob-run-wait MigrationProject UpdateKeys
C) dsjob -run -log dsjob -run -userstatus MigrationProject UpdateKeys
D) dsjob -run -jobstatus MigrationProject UpdateKeys
E) dsjob-run-userstatus MigrationProject UpdateKeys

4. You have run ten instances of the same job the previous evening. You want to examine the job logs for all instances but can only find five of them. How can you avoid this in the future for this job?

A) Change the Auto-purge settings for the job in Director.
B) Change the Auto-purge settings in Administrator.
C) Set the $APT_AUTOPURGE_LOG environment variable to False.
D) Set the $APT_AUTOLOG_PURGE environment variable to False.

5. In the job fragment shown in the exhibit, there are two Sort stages: the first (Sort1) sorts the data by state, the second (Sort2) sorts the data by state and area, No repartitioning occurs between the stages.
You have been asked to reduce the number of sorts to improve the performance of the job.

Which two ways might be used to accomplish this without changing how the job functions? (Select two)

A) Remove the first Sort stage. Retain the existing sort keys in the second Sort stage.
B) Remove the second Sort stage. Add area as an additional sort key.
C) In the second Sort stage change the Sort Mode property of the area column to "Don't sort, previously sorted.".
D) In the second Sort stage change the Sort Mode property of the state column to "Don't sort, previously sorted.".

Solutions: