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

Which data type is used in MongoDB to store strings in a variable?

• A) String
• B) Char
• C) Varchar
• D) Varchar2

Which one is not common observation about NoSQL Databases?

• A) Built for the 21st century web estates
• B) Running well on clusters
• C) Mostly open-source
• D) Schema Oriented

_______________________ is a classification algorithm.

• A) K-Means
• B) Naïve Bayes
• C) Density-based Method
• D) Hierarchical Method

_______________ is an example of NoSQL database.

• A) MS Access
• B) Oracle
• C) DB2
• D) Neo4j

A table in Relational Database Management System is called _____________ in MongoDB.

• A) Page
• B) Collection
• C) Embedded Document
• D) Document

____________ is not a supervised learning approach.

• A) Voice Recognition
• B) Labeling
• C) Clustering
• D) Classification

________________ deals with finding a structure in a collection of unlabeled data.

• A) Voice Recognition
• B) Labeling
• C) Clustering
• D) Classification

K-Means works only for ________ data.

• A) Binary
• B) Time
• C) Text
• D) Numerical

_______ uses Mahout for user interest modeling.

• A) Facebook
• B) Twitter
• C) Instagram
• D) Yahoo

__________ is a Clustering Algorithm.

• A) K-Means
• B) Decision Tree based Methods
• C) Naïve Bayes
• D) Neural Networks

MongoDB is an example of ____________________ NoSQL database.

• A) Columnar Database
• B) Graph Database
• C) Key Value Database
• D) Document Store

In Mahout, Data object hold a file that does not contain ________.

• A) Users
• B) Preferences details of a product
• C) Items
• D) Items Price

_________is the process by which we gather pages from the Web, in order to index them and support a search engine.

• A) Web Server
• B) Search Engine
• C) Web Application
• D) Web Crawling