The LZO compression format is composed of approximately __________ blocks of compressed data. - Hadoop Quiz

Hadoop - Quiz(MCQ)

The LZO compression format is composed of approximately __________ blocks of compressed data.

A)

24k

B)

36k

C)

128k

D)

256k

Correct Answer : 256k

Explanation : LZO was designed with speed in mind : it decompresses about twice as fast as gzip, meaning it’s fast enough to keep up with hard drive read speeds.

Recently Updated in Hadoop Questions

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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