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Welcome to the Hive and HBase MCQs Page

Dive deep into the fascinating world of Hive and HBase with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Hive and HBase, a crucial aspect of Hadoop. In this section, you will encounter a diverse range of MCQs that cover various aspects of Hive and HBase, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Hadoop.

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Check out the MCQs below to embark on an enriching journey through Hive and HBase. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Hadoop.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Hive and HBase. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Hive and HBase MCQs | Page 7 of 8

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Q61.
Point out the correct statement.

a.

–helpusage display a usage message

b.

The JDBC connection URL format has the prefix jdbc:hive:

c.

Starting with Hive 0.14, there are improved SV output formats

d.

None of the mentioned

Discuss
Answer: (c).Starting with Hive 0.14, there are improved SV output formats
Q62.
Point out the wrong statement.

a.

HiveServer2 has a new JDBC driver

b.

CSV and TSV output formats are maintained for forward compatibility

c.

HiveServer2 supports both embedded and remote access to HiveServer2

d.

None of the mentioned

Discuss
Answer: (b).CSV and TSV output formats are maintained for forward compatibility
Q63.
Point out the correct statement.

a.

Avro Fixed type should be defined in Hive as lists of tiny ints

b.

Avro Bytes type should be defined in Hive as lists of tiny ints

c.

Avro Enum type should be defined in Hive as strings

d.

All of the mentioned

Discuss
Answer: (b).Avro Bytes type should be defined in Hive as lists of tiny ints
Q64.
Point out the wrong statement.

a.

To create an Avro-backed table, specify the serde as org.apache.hadoop.hive.serde2.avro.AvroSerDe

b.

Avro-backed tables can be created in Hive using AvroSerDe

c.

The AvroSerde cannot serialize any Hive table to Avro files

d.

None of the mentioned

Discuss
Answer: (c).The AvroSerde cannot serialize any Hive table to Avro files
Q65.
Point out the correct statement.

a.

The Avro file dump utility analyzes ORC files

b.

Streams are compressed using a codec, which is specified as a table property for all streams in that table

c.

The ODC file dump utility analyzes ORC files

d.

All of the mentioned

Discuss
Answer: (b).Streams are compressed using a codec, which is specified as a table property for all streams in that table
Q66.
Point out the wrong statement.

a.

TIMESTAMP is Only available starting with Hive 0.10.0

b.

DECIMAL introduced in Hive 0.11.0 with a precision of 38 digits

c.

Hive 0.13.0 introduced user definable precision and scale

d.

All of the mentioned

Discuss
Answer: (b).DECIMAL introduced in Hive 0.11.0 with a precision of 38 digits
Q67.
Point out the correct statement.

a.

HDFS provides low latency access to single rows from billions of records (Random access)

b.

HBase sits on top of the Hadoop File System and provides read and write access

c.

HBase is a distributed file system suitable for storing large files

d.

None of the mentioned

Discuss
Answer: (b).HBase sits on top of the Hadoop File System and provides read and write access
Q68.
Point out the wrong statement.

a.

HBase provides only sequential access to data

b.

HBase provides high latency batch processing

c.

HBase internally provides serialized access

d.

All of the mentioned

Discuss
Answer: (c).HBase internally provides serialized access
Q69.
Point out the correct statement.

a.

The default for max versions is 1

b.

It is recommended setting the number of max versions to an exceedingly high level

c.

HBase does overwrite row values

d.

All of the mentioned

Discuss
Answer: (a).The default for max versions is 1
Q70.
Point out the wrong statement.

a.

Where time-ranges are very wide (e.g., year-long report) and where the data is voluminous, summary tables are a common approach

b.

Coprocessors act like RDBMS triggers

c.

HBase does not currently support ‘constraints’ in traditional (SQL) database parlance

d.

None of the mentioned

Discuss
Answer: (c).HBase does not currently support ‘constraints’ in traditional (SQL) database parlance
Page 7 of 8

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