Big Data Analytics (2180710) MCQs

MCQs of HDFS, HIVE and HIVEQL, HBASE

Showing 21 to 30 out of 54 Questions
1 2 3 4 5 6
21.
HBase is ________ defines only column families.
(a) Row Oriented
(b) Schema-less
(c) Fixed Schema
(d) All of the mentioned
Answer:

Option (b)

22.
The _________ Server assigns regions to the region servers and takes the help of Apache ZooKeeper for this task.
(a) Region
(b) Master
(c) Zookeeper
(d) All of the mentioned
Answer:

Option (b)

23.
Which of the following command provides information about the user?
(a) status
(b) version
(c) whoami
(d) user
Answer:

Option (c)

24.
_________ command fetches the contents of a row or a cell.
(a) select
(b) get
(c) put
(d) none of the mentioned
Answer:

Option (b)

25.
HBaseAdmin and ____________ are the two important classes in this package that provide DDL functionalities.
(a) HTableDescriptor
(b) HDescriptor
(c) HTable
(d) HTabDescriptor
Answer:

Option (a)

26.
The minimum number of row versions to keep is configured per column family via _____________
(a) HBaseDecriptor
(b) HTabDescriptor
(c) HColumnDescriptor
(d) All of the mentioned
Answer:

Option (c)

27.
HBase supports a ____________ interface via Put and Result.
(a) “bytes-in/bytes-out”
(b) “bytes-in”
(c) “bytes-out”
(d) none of the mentioned
Answer:

Option (a)

28.
One supported data type that deserves special mention are ____________
(a) money
(b) counters
(c) smallint
(d) tinyint
Answer:

Option (b)

29.
__________ does re-write data and pack rows into columns for certain time-periods.
(a) OpenTS
(b) OpenTSDB
(c) OpenTSD
(d) OpenDB
Answer:

Option (b)

30.
__________ command disables drops and recreates a table.
(a) drop
(b) truncate
(c) delete
(d) none of the mentioned
Answer:

Option (b)

Showing 21 to 30 out of 54 Questions
1 2 3 4 5 6