Big Data Analytics (2180710) MCQs

MCQs of HDFS, HIVE and HIVEQL, HBASE

Showing 11 to 20 out of 54 Questions
1 2 3 4 5 6
11.
Which of the following command sets the value of a particular configuration variable (key)?
(a) set -v
(b) set =
(c) set
(d) reset
Answer:

Option (b)

12.
Which of the following operator executes a shell command from the Hive shell?
(a) |
(b) !
(c) ^
(d) +
Answer:

Option (b)

13.
Hive specific commands can be run from Beeline, when the Hive _______ driver is used.
(a) ODBC
(b) JDBC
(c) ODBC-JDBC
(d) All of the Mentioned
Answer:

Option (b)

14.
Which of the following data type is supported by Hive?
(a) map
(b) record
(c) string
(d) enum
Answer:

Option (d)

15.
Avro-backed tables can simply be created by using _________ in a DDL statement.
(a) “STORED AS AVRO”
(b) “STORED AS HIVE”
(c) “STORED AS AVROHIVE”
(d) “STORED AS SERDE”
Answer:

Option (a)

16.
Types that may be null must be defined as a ______ of that type and Null within Avro.
(a) Union
(b) Intersection
(c) Set
(d) All of the mentioned
Answer:

Option (a)

17.
_______ is interpolated into the quotes to correctly handle spaces within the schema.
(a) $SCHEMA
(b) $ROW
(c) $SCHEMASPACES
(d) $NAMESPACES
Answer:

Option (a)

18.
________ was designed to overcome the limitations of the other Hive file formats.
(a) ORC
(b) OPC
(c) ODC
(d) None of the mentioned
Answer:

Option (a)

19.
An ORC file contains groups of row data called __________
(a) postscript
(b) stripes
(c) script
(d) none of the mentioned
Answer:

Option (b)

20.
HBase is a distributed ________ database built on top of the Hadoop file system.
(a) Column-oriented
(b) Row-oriented
(c) Tuple-oriented
(d) None of the mentioned
Answer:

Option (a)

Showing 11 to 20 out of 54 Questions
1 2 3 4 5 6