MCQ Bank
Data consumer reads/accesses the data in HDFS ________ using HBase.
- A) Parallel
- B) Sequentially
- C) Directly
- D) Randomly
Which of the following is not belongs to RDBMS?
- A) DB2
- B) Postgresql
- C) HDFS
- D) Mysql
exists is a _______________, while truncate is a __________ command in Hbase.
- A) General , DML
- B) DDL , DML
- C) DML , DDL
- D) DDL , General
Put and Get commands belong to ___________ in Hbase.
- A) General Commands
- B) Basic Commands
- C) DDL
- D) DML
Hadoop streaming is a utility comes with Hadoop distribution that allows to:
- A) Write and execute MapReduce code in C++ only
- B) Write and execute MapReduce code in JAVA only
- C) Write and execute MapReduce code in Python only
- D) Write and execute MapReduce code in languages other than JAVA
MapReduce is a ________________ programming model for writing distributed applications.
- A) Serial
- B) Linear
- C) Sequential
- D) Parallel
The Hadoop Distributed File System has the following elements except _____.
- A) Datanode
- B) Block
- C) Namenode
- D) Slavenode
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