MCQ Bank
Hadoop Distributed File System (HDFS) is based on the ______________.
- A) Google File System (GFS)
- B) Amazon File System (AFS)
- C) Yahoo File System (YFS)
- D) Flat File System (FFS)
Which of the following is the name of default database in Hive?
- A) default
- B) db
- C) default db
- D) database
HBase uses ________________ File System to store its data.
- A) CloudStore
- B) MapR
- C) Google
- D) Hadoop
Initially Hive was developed by:
- A) Apple
- B) Facebook
- C) IBM
- D) Microsoft
HBase is a _________ database management system that runs on top of Hadoop Distributed File System.
- A) Record-oriented
- B) Table-oriented
- C) Column-oriented
- D) Row-oriented
In HBase, Scan command is used to scan and return __________.
- A) None of the given options
- B) Data of HTable
- C) Schema of HTable
- D) Database structure of HTable
In Hbase, which API is used to achieve DDL functionalities through programming?
- A) Java OpenGL
- B) Java Persistence API
- C) JAVA Data Objects
- D) JAVA admin API
Which of the following is smallest integral type in HiveQL?
- A) SMALLLINT
- B) TINYINT
- C) BIGINT
- D) INT
Hadoop Distributed File System (HDFS) provides _______________ architecture.
- A) Master Slave
- B) Standalone
- C) Peer to Peer
- D) Single User
In Hbase, which of the following command does not belong to DML?
- A) CRUD
- B) get
- C) list
- D) put
Which of the following is not a general command supported by HBase shell?
- A) table_status
- B) version
- C) table_help
- D) status
Which of the following is NOT true about Scoop Export command?
- A) The files given as input to Sqoop Export contain records called rows in table.
- B) To export the data in scoop the target table must exist in the target database.
- C) It exports a set of files from RDBMS back to an HDFS.
- D) It exports a set of files from HDFS back to an RDBMS.
Which of the following statements is used to insert data in Hive?
- A) LOAD DATA
- B) INSERT DATA
- C) STORE DATA
- D) ADD DATA
The MapReduce program runs on _____ which is an Apache open-source framework.
- A) Brute Force
- B) Binary Search
- C) Hadoop
- D) HadReduce
MapReduce runs on _____________ framework.
- A) Hive
- B) Hadoop
- C) MongoDB
- D) Sqoop
MapReduce programs execute in _________ stages.
- A) 1
- B) 2
- C) 4
- D) 3
In Hbase, data is stored in which form?
- A) None of the given options
- B) Regions
- C) Rows
- D) Columns
Enable and Is_enable commands belong to _____________ in Hbase.
- A) DDL
- B) General Commands
- C) Basic Commands
- D) DML
____________ is an unsupervised learning approach.
- A) Voice Recognition
- B) Clustering
- C) Labeling
- D) Classification
In k-means, closeness is measured using ________________ formula.
- A) Mean absolute deviation
- B) Simple Matching
- C) Minkowski distances
- D) Euclidean distance