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Binita Meda

Asked: 3 years agoIn: Hadoop

___________ is an input format for reading data from a relational database, using JDBC.

(a) DBInput

(b) DBInputFormat

(c) DBInpFormat

(d) All of the mentioned

John Javed Somani

Asked: 3 years agoIn: Hadoop

Point out the correct statement.

(a) SAMOA provides a collection of distributed streaming algorithms

(b) REEF is a cross platform and cross runtime testing/debugging tool

(c) Sentry is a highly modular system for providing fine grained role

(d) All of the mentioned

Rupal Yadu Nath

Asked: 3 years agoIn: Hadoop

Point out the wrong statement.

(a) Hardtop processing capabilities are huge and its real advantage lies in the ability to process terabytes & petabytes of data

(b) Hadoop uses a programming model called “MapReduce”, all the programs should conform to this model in order to work on the Hadoop platform

(c) The programming model, MapReduce, used by Hadoop is difficult to write and test

(d) All of the mentioned

Afreen Vijay Bhargava

Asked: 3 years agoIn: Hadoop

The EC2 can serve as a practically unlimited set of ___________ machines.

(a) virtual

(b) real

(c) distributed

(d) all of the mentioned

Alka Varkey

Asked: 3 years agoIn: Hadoop

Point out the correct statement.

(a) The HCatLoader and HCatStorer interfaces are used with Pig scripts to read and write data in HCatalog-managed tables

(b) HCatalog is not thread safe

(c) HCatLoader is used with Pig scripts to read data from HCatalog-managed tables.

(d) All of the mentioned

Kusum Virat Chadha

Asked: 3 years agoIn: Hadoop

__________ maps input key/value pairs to a set of intermediate key/value pairs.

(a) Mapper

(b) Reducer

(c) Both Mapper and Reducer

(d) None of the mentioned

Nupoor Aslam Gokhale

Asked: 3 years agoIn: Hadoop

Point out the wrong statement.

(a) A Storage policy consists of the Policy ID

(b) The storage policy can be specified using the “dfsadmin -setStoragePolicy” command

(c) dfs.storage.policy.enabled is used for enabling/disabling the storage policy feature

(d) None of the mentioned

Arjun Bhagat

Asked: 3 years agoIn: Hadoop

The need for data replication can arise in various scenarios like ____________

(a) Replication Factor is changed

(b) DataNode goes down

(c) Data Blocks get corrupted

(d) All of the mentioned

Nirmal Chandra Sodhani

Asked: 3 years agoIn: Hadoop

_________ tool can list all the available database schemas.

(a) sqoop-list-tables

(b) sqoop-list-databases

(c) sqoop-list-schema

(d) sqoop-list-columns

Iqbal Rajendra Murthy

Asked: 3 years agoIn: Hadoop

Which of the following is a more compact binary format?

(a) TCompactProtocol

(b) TDenseProtocol

(c) TBinaryProtocol

(d) TSimpleJSONProtocol

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Hadoop

___________ is an input format for reading data from a relational database, using JDBC.

(a) DBInput

(b) DBInputFormat

(c) DBInpFormat

(d) All of the mentioned

Point out the correct statement.

(a) SAMOA provides a collection of distributed streaming algorithms

(b) REEF is a cross platform and cross runtime testing/debugging tool

(c) Sentry is a highly modular system for providing fine grained role

(d) All of the mentioned

The EC2 can serve as a practically unlimited set of ___________ machines.

(a) virtual

(b) real

(c) distributed

(d) all of the mentioned

Point out the correct statement.

(a) The HCatLoader and HCatStorer interfaces are used with Pig scripts to read and write data in HCatalog-managed tables

(b) HCatalog is not thread safe

(c) HCatLoader is used with Pig scripts to read data from HCatalog-managed tables.

(d) All of the mentioned

__________ maps input key/value pairs to a set of intermediate key/value pairs.

(a) Mapper

(b) Reducer

(c) Both Mapper and Reducer

(d) None of the mentioned

Point out the wrong statement.

(a) A Storage policy consists of the Policy ID

(b) The storage policy can be specified using the “dfsadmin -setStoragePolicy” command

(c) dfs.storage.policy.enabled is used for enabling/disabling the storage policy feature

(d) None of the mentioned

The need for data replication can arise in various scenarios like ____________

(a) Replication Factor is changed

(b) DataNode goes down

(c) Data Blocks get corrupted

(d) All of the mentioned

_________ tool can list all the available database schemas.

(a) sqoop-list-tables

(b) sqoop-list-databases

(c) sqoop-list-schema

(d) sqoop-list-columns

Which of the following is a more compact binary format?

(a) TCompactProtocol

(b) TDenseProtocol

(c) TBinaryProtocol

(d) TSimpleJSONProtocol

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