Olete.in – MCQs, Mock Tests & Government Job Prep | Bigdata Introduction to Bigdata Mcq Set 1

The overall percentage of the world’s total data has been created just withinthe past two years is ?

1. 80%
2. 85%
3. 90%
4. 95%

✅ Correct Answer: 3

According to analysts, for what can traditional IT systems provide afoundation when they’re integrated with big data technologies like Hadoop?

1. Big data management and data mining
2. Data warehousing and business intelligence
3. Management of Hadoop clusters
4. Collecting and storing unstructured data

✅ Correct Answer: 1

All of the following accurately describe Hadoop, EXCEPT ____________

1. Open-source
2. Real-time
3. Java-based
4. Distributed computing approach

✅ Correct Answer: 2

Big data analysis does the following except?

1. Collects data
2. Spreads data
3. Organizes data
4. Analyzes data

✅ Correct Answer: 4

The new source of big data that will trigger a Big Data revolution in theyears to come is?

1. Business transactions
2. Social media
3. Transactional data and sensor data
4. RDBMS

✅ Correct Answer: 3

Listed below are the three steps that are followed to deploy a Big DataSolution except

1. Data Processing
2. Data dissemination
3. Data Storage
4. Data Ingestion

✅ Correct Answer: 2

Who popularized bigdata term?

1. John deere
2. John Mashey
3. johny Mashe
4. Jhon Mash

✅ Correct Answer: 2

Numbers ,text, image, audio and video data is ____

1. Volume
2. Value
3. Varity
4. Variety

✅ Correct Answer: 4

Real time data is ______.

1. Field
2. Primary Key
3. unique
4. record

✅ Correct Answer: 3

__ is the term that is used to describe data that is high volume , highvelocity and /or high variety.

1. Analytics
2. Bigdata
3. Hadoop Data
4. Bigdata analytics

✅ Correct Answer: 2

________ has the world’s largest Hadoop cluster.

1. Apple
2. Datamatics
3. Facebook
4. None of the above

✅ Correct Answer: 3

Facebook Tackles Big Data With _______ based on Hadoop.

1. Project Prism
2. Prism
3. Project Big
4. Project Data

✅ Correct Answer: 1

_________ is general-purpose computing model and runtime system fordistributed data analytics.

1. Mapreduce
2. Drill
3. Oozie
4. None of the above

✅ Correct Answer: 1

The examination of large amounts of data to see what patterns or otheruseful information can be found is known as

1. Data examination
2. Information analysis
3. Big data analytics
4. Data analysis

✅ Correct Answer: 3

Point out the wrong statement.

1. Hardtop processing capabilities are huge and its real advantage lies in the ability to process terabytes & petabytes of data
2. Hardtop processing capabilities are huge and its real advantage lies in the ability to process terabytes & petabytes of data
3. The programming model, MapReduce, used by Hadoop is difficult to write and test
4. All of the above

✅ Correct Answer: 3

_______ can best be described as a programming model used to developHadoop-based applications that can process massive amounts of data.

1. MapReduce
2. Mahout
3. Oozie
4. All of the mentioned

✅ Correct Answer: 1

Facebook Tackles Big Data With _______ based on Hadoop.

1. ‘Project Prism’
2. Prism
3. ‘Project Big’
4. ‘Project Data’

✅ Correct Answer: 1

Data science is the process of diverse set of data through ?

1. organizing data
2. processing data
3. analysing data
4. All of the above

✅ Correct Answer: 4

The modern conception of data science as an independent discipline issometimes attributed to?

1. William S.
2. John McCarthy
3. Arthur Samuel
4. Satoshi Nakamoto

✅ Correct Answer: 1

Which of the following language is used in Data science?

1. C
2. C++
3. R
4. Ruby

✅ Correct Answer: 3

Which of the following is false?

1. Subsetting can be used to select and exclude variables and observations
2. Raw data should be processed only one time.
3. Merging concerns combining datasets on the same observations to produce a result with more variables
4. None Of the above

✅ Correct Answer: 2

What is the work of Data Architect?

1. utilize large data sets to gather information that meets their company's needs
2. work with businesses to determine the best usage of the information yielded from data
3. build data solutions that are optimized for performance and design applications
4. All of the above

✅ Correct Answer: 3

Which of the following is correct skills for a Data Scientist?

1. Probability & Statistics
2. Machine Learning / Deep Learning
3. Data Wrangling
4. All of the above

✅ Correct Answer: 4

Which of the following are correct component for data science?

1. Data Engineering
2. Advanced Computing
3. Domain expertise
4. All of the above

✅ Correct Answer: 4

Which of the following is not a part of data science process?

1. Discovery
2. Model Planning
3. Communication Building
4. Operationalize

✅ Correct Answer: 3

Which of the following are the Data Sources in data science?

1. Structured
2. Unstructured
3. Both A and B
4. None Of the above

✅ Correct Answer: 3

Which of the following is not a application for data science?

1. Recommendation Systems
2. Image & Speech Recognition
3. Online Price Comparison
4. Privacy Checker

✅ Correct Answer: 4

Point out the correct statement.

1. Raw data is original source of data B. D.
2. Preprocessed data is original source of data C.
3. Raw data is the data obtained after processing steps
4. None of the above

✅ Correct Answer: 1

Which of the following is one of the key data science skills?

1. Statistics
2. Machine Learning
3. Data Visualization
4. All of the above

✅ Correct Answer: 4

Which of the following is a key characteristic of a hacker?

1. Afraid to say they don't know the answer
2. Willing to find answers on their own
3. Not Willing to find answers on their own
4. All of the above

✅ Correct Answer: 2

Raw data should be processed only one time.

1. True
2. False
3. Can be true or false
4. Can not say

✅ Correct Answer: 2

Raw data should be processed only one time.

1. True
2. False
3. Can be true or false
4. Can not say

✅ Correct Answer: 2

Which of the following is the common goal of statistical modelling?

1. Inference
2. Summarizing
3. Subsetting
4. None of the above

✅ Correct Answer: 1

Which of the following model is usually a gold standard for data analysis?

1. Inferential
2. Descriptive
3. Causal
4. All of the above

✅ Correct Answer: 3

Which of the following can be used to create sub–samples using a maximumdissimilarity approach?

1. minDissim
2. maxDissim
3. inmaxDissim
4. All of the Mentioned

✅ Correct Answer: 2

Causal analysis is commonly applied to census data.

1. True
2. False
3. Can be true or false
4. Can not say

✅ Correct Answer: 2

Which of the following is a revision control system?

1. Git
2. Numpy
3. Scipy
4. Slidify

✅ Correct Answer: 1

Which of the following step is performed by data scientist after acquiringthe data?

1. Data Cleaning
2. Data Integration
3. Data Replication
4. All of the above

✅ Correct Answer: 1

Which of the following focuses on the discovery of (previously) unknownproperties on the data?

1. Data mining
2. BigData
3. Data wrangling
4. Machine Learning

✅ Correct Answer: 1

Which of the following can be used to impute data sets based only on informationin the training set?

1. postprocess
2. preProcess
3. process
4. All of the Mentioned

✅ Correct Answer: 2

Which of the following model model include a backwards elimination featureselection routine?

1. MCV
2. MARS
3. MCRS
4. All of the Mentioned

✅ Correct Answer: 2

Which of the following is a categorical outcome?

1. RMSE
2. RSquared
3. Accuracy
4. All of the Mentioned

✅ Correct Answer: 3

What is true about Machine Learning?

1. Machine Learning (ML) is that field of computer science
2. ML is a type of artificial intelligence that extract patterns out of raw data by using an algorithm or method.
3. The main focus of ML is to allow computer systems learn from experience without being explicitly programmed or human intervention.
4. All of the above

✅ Correct Answer: 4

ML is a field of AI consisting of learning algorithms that?

1. Improve their performance
2. At executing some task
3. Over time with experience
4. All of the above

✅ Correct Answer: 4

p → 0q is not a?

1. hack clause
2. horn clause
3. structural clause
4. system clause

✅ Correct Answer: 2

The action _______ of a robot arm specify to Place block A on block B.

1. STACK(A,B)
2. LIST(A,B)
3. QUEUE(A,B)
4. ARRAY(A,B)

✅ Correct Answer: 1

A__________ begins by hypothesizing a sentence (the symbol S) and successively predicting lower level constituents until individual preterminal symbols are written.

1. bottow-up parser
2. top parser
3. top-down parser
4. bottom parser

✅ Correct Answer: 3

A model of language consists of the categories which does not include________.

1. System Unit
2. structural units.
3. data units
4. empirical units

✅ Correct Answer: 2

The model will be trained with data in one single batch is known as ?

1. Batch learning
2. Offline learning
3. Both A and B
4. None of the above

✅ Correct Answer: 3

Which of the following are ML methods?

1. based on human supervision
2. supervised Learning
3. semi-reinforcement Learning
4. All of the above

✅ Correct Answer: 1