Types that may be null must be defined as a ______ of that type and Null within Avro. - Hadoop Quiz

Hadoop - Quiz(MCQ)

Types that may be null must be defined as a ______ of that type and Null within Avro.

A)

Set

B)

Intersection

C)

Union

D)

All of the above

Correct Answer : Union

Explanation : A null in a field that is not so defined will result in an exception during the save. No changes need be made to the Hive schema to support this, as all fields in Hive can be null.

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InfoSphere ___________ provides you with the ability to flexibly meet your unique information integration requirements.

A)

Info Server

B)

Information Server

C)

Data Server

D)

All of the above

Correct Answer : Information Server

Explanation : IBM InfoSphere Information Server is a market-leading data integration platform which includes a family of products that enable you to understand, cleanse, monitor, transform, and deliver data.

________ is used for processing complex transactions and messages.

A)

TX

B)

PX

C)

MVS Edition

D)

Server Edition

Correct Answer : TX

Explanation : MVS Edition developed on a Windows or Unix/Linux platform and transferred to the mainframe as compiled mainframe jobs.

__________ is a name given to the version of DataStage that had a parallel processing architecture and parallel ETL jobs.

A)

TX

B)

MVS Edition

C)

Server Edition

D)

Enterprise Edition

Correct Answer : Enterprise Edition

Explanation : DataStage 5 added Sequence Jobs and DataStage 6 added Parallel Jobs via Enterprise Edition.

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