The ___________ machine is a single point of failure for an HDFS cluster. - Hadoop Quiz

Hadoop - Quiz(MCQ)

The ___________ machine is a single point of failure for an HDFS cluster.

A)

NameNode

B)

ActionNode

C)

DataNode

D)

All of the above

Correct Answer : NameNode

Explanation : If the NameNode machine fails, manual intervention is necessary. Currently, automatic restart and failover of the NameNode software to another machine is not supported.

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.

New Technologies MCQ's

Machine Learning

Artificial Intelligence

Ethical Hacking

Microsoft Azure

Cloud Computing

Quantum Computing

Neural Networks

Virtual Reality

Augmented Reality

Advertisement