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technology Online Quiz - 1558

Description: technology Online Quiz - 1558
Number of Questions: 20
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Tags: technology
Attempted 0/20 Correct 0 Score 0

What is the use of Modify stage?

  1. Null_Handling

  2. Datatype conversion

  3. move or keep column

  4. None of the Above

  5. All the Above


Correct Option: E

What are types of aggregation you can do it in aggregator?

  1. count,calculation,recalculation

  2. Sort and Hash

  3. count, sum, Average

  4. None of the Above


Correct Option: A

Types of lookup in parallel?

  1. Normal

  2. Sparse

  3. Both

  4. None of the Above


Correct Option: C
  1. Datastage Designer

  2. Datastage Administrator

  3. Install the Datastage engine

  4. All the Above


Correct Option: B,C

Sequential file stage can be used __________

  1. Only to extract data

  2. Only to load data

  3. Only either to extract or to load

  4. Only to Transform data

  5. To extract, load or transform


Correct Option: C

Which of the following is not a component of Sequential file stage?

  1. File path

  2. File format (Fixed width or Delimited)

  3. Column definitions

  4. None of the above


Correct Option: D

Transformer stage is used to define ________

  1. Constraints

  2. Derivations

  3. Column Mappings

  4. All of the above


Correct Option: D

Job parameter values can be determined __________

  1. At Compile time

  2. At Run time

  3. At Both compile time and run time

  4. Never


Correct Option: B

These are created within a job and are only accessible by that job

  1. Shared container

  2. Local container

  3. Both

  4. None of the above


Correct Option: B

DataStage Director can be invoked from __________

  1. DataStage Designer and Administrator

  2. DataStage Administrator

  3. DataStage Designer

  4. None of the above


Correct Option: C

Which stage is used for comparing and identifying differences between two generations of the same data source?

  1. Aggregator stage

  2. Change Capture stage

  3. Modify stage.

  4. Change Apply stage


Correct Option: B

What does a Configuration File in parallel extender consist of?

  1. Number of Processes or Nodes.

  2. Actual Disk Storage Location.

  3. Fast name

  4. All the Above


Correct Option: D

Which partitioner divides a data set into approximately equal size Partitions based on one or more partitioning keys?

  1. Range

  2. Same

  3. Round Robin

  4. None of the above


Correct Option: A

How do you execute datastage job from command line prompt?

  1. dsjob -run -jobstatus projectname jobname

  2. dsjob -run projectname jobname

  3. dsjob -exec projectname jobname

  4. dsjob -exec –jobstatus projectname jobname


Correct Option: A

Field(‘Jhon|Micky|gail|’,’|’,1) = ?

  1. Micky

  2. Jhon

  3. None of the above


Correct Option: B

TrimF(" String with whitespace ") = ?

  1. " String with whitespace "

  2. Stringwithwhitespace

  3. "String with whitespace "

  4. " String with whitespace"


Correct Option: C

These are stages that help you when you are developing and troubleshooting parallel jobs (Choose two.)

  1. Transformer

  2. File

  3. Row Generator

  4. Peek


Correct Option: C,D

These are stages that perform some processing on the data that is passing through them (Choose two.)

  1. File

  2. Aggregator

  3. Transformer

  4. All of the above


Correct Option: B,C
  1. Read From Multiple Nodes

  2. Number of Readers Per Node

  3. Report Progress

  4. Pattern


Correct Option: A

Which is not a valid statement regarding a File Set Stage?

  1. 2G limit on some File systems

  2. Need to distribute data among nodes to prevent overruns

  3. If used in parallel, runs faster than sequential file

  4. No limitations for the File systems


Correct Option: D
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