MCQ Bank
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
In Indexing, most common words of vocabulary are called ______ words.
- A) Frequent
- B) Start
- C) Famous
- D) Stop
Which of the following is the correct output of the 10001 AND 11011 AND 10101?
- A) 10001
- B) 10101
- C) 10101
- D) 11010
Which of the following is NOT a method/strategy of Indexing?
- A) Boolean Index
- B) Converted Index
- C) Inverted Vectors
- D) Inverted Index
IDF stands for:
- A) Inverse Document Frequency
- B) Inverted Deficiency Frequency
- C) International Distributed Frequency
- D) Inverse Digital Frequency
__________is a software tool used to access and search information on the web.
- A) Web browser
- B) Web server
- C) MS Excel
- D) MS Word
_______ are more informative than _________ terms.
- A) Frequent terms, rare
- B) Rare terms, frequent
- C) Regular terms, non regular
- D) Important terms, non important
The ________collects, parse, and stores data to facilitate fast and accurate information retrieval.
- A) Indexing stage
- B) Storing stage
- C) Collecting stage
- D) Parsing stage