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BIG DATA quiz 3

Total questions: 65

Worksheet time: 39mins

Name
Class
Date
1.

Expand BDA

a)

Beginner Data Analyst

b)

Big Data Analyst

c)

Business Data Analysis

d)

Best Data Analyst

2.

Big data analytics Tools are

a)

Apache Hadoop

b)

MongoDB

c)

R- Programming

d)

All of the Above

3.

Flow of Data Analytics Process is

Data -> Info -> Insight -> ______?

a)

save

b)

Store

c)

Advise

d)

Analysis

4.

Sources of Big Data are

a)

Large Data Files

b)

Data From Social Networks

c)

Telematics

d)

All of the Above

5.

Which is not the Big Data Tools and Technologies

a)

Apache Zookeeper

b)

Apache Mahout

c)

Altamira LUMIFY

d)

NO SQL

6.

An Interdisciplinary field that uses science methods, processes, algorithms & system to extract knowledge & insights from noisy, structured & Unstructured data & apply knowledge and actionable insight from data across a broad range of application domains

a)

Data Science

b)

Data Analysis

c)

Data Insight

d)

Data Processing

7.

Relational Data Base has

a)

PostgreSQL

b)

MY SQL

c)

Db2

d)

All of the Above

8.

NoSQL Data Base has

a)

RabbitMQ

b)

MongoDB

c)

Janus Graph

d)

All of the Above

9.

The big data could be found in diverse data sets that is

a)

Structured Data

b)

Unstructured Data

c)

Semi Structured Data

d)

All Of the Above

10.

Data in ____ bytes size is called big data

a)

Meta

b)

Giga

c)

Tera

d)

Peta

11.

which is not 3 V's of Big Data

a)

Volume

b)

Velocity

c)

Variety

d)

Value

12.

Amongst which of the following can be considered as the main source of unstructured data

a)

  1. Twitter (X)

b)

  1. Facebook

c)

  1. Webpages

d)

  1. All of the mentioned above

13.

Big data analysis does the following except?

a)

Spreads data

b)

Collects Data

c)

Organizes Data

d)

Analyze Data

14.

What are the two types of database

a)

  1. Reational Data Base & NoSQL Data Base

b)

  1. Reational Data Base & MYSQL Data Base

c)

  1. Reational Data Base & NotSQL Data Base

d)

Non of the Above

15.

_________is Defined as a structured set of data held in a computer memory or cloud that is accessible in varies ways

a)

Data

b)

Data Base

c)

DBMS

d)

Non Of the Above

16.

________________refers to the biases, noise and abnormality in data, trustworthiness of data.

a)

Value

b)

Veracity

c)

Velocity

d)

Volume

17.

Consider the following statements:


Statement 1: Volatility refers to the data velocity relative to timescale of event being studied


Statement 2: Viscosity refers to the rate of data loss and stable lifetime of data

a)

Only statement 1 is true

b)

Only statement 2 is true

c)

Both statements are true

d)

Both statements are false

18.

What are the main components of Hadoop Ecosystem?

a)

MapReduce, HDFS, YARN

b)

MLlib, GraphX

c)

Gelly, Table, CEP

d)

None of the mentioned

19.

True or False ?


NoSQL databases store unstructured data with no particular schema.

a)

True

b)

False

20.

Which of the following is not a NoSQL database?

a)

HBase

b)

SQL Server

c)

Cassandra

d)

None of the mentioned

21.

________________is a resource management platform responsible for managing compute resources in the cluster and using them in order to schedule users and applications.

a)

Hadoop Common

b)

Hadoop Distributed File System (HDFS)

c)

Hadoop YARN

d)

Hadoop MapReduce

22.

Consider the following statements:


Statement 1: The Job Tracker is hosted inside the master and it receives the job execution request from the client.


Statement 2: Task tracker is the MapReduce component on the slave machine as there are multiple slave machines.

a)

Only statement 1 is true

b)

Only statement 2 is true

c)

Both statements are true

d)

Both statements are false

23.

_____________is the slave/worker node and holds the user data in the form of Data Blocks.

a)

NameNode

b)

DataNode

c)

Data block

d)

Replication

24.

The number of maps in MapReduce is usually driven by the total size of________________

a)

Inputs

b)

Outputs

c)

Tasks

d)

None of the mentioned

25.

_______________function processes a key/value pair to generate a set of intermediate key/value pairs.

a)

Map

b)

Reduce

c)

Both Map and Reduce

d)

None of the mentioned

26.

True or False ?


The main duties of task tracker are to break down the receive job that is big computations in small parts, allocate the partial computations that is tasks to the slave nodes monitoring the progress and report of task execution from the slave.

a)

True

b)

False

27.

Point out the correct statement in context of YARN:

a)

YARN extends the power of Hadoop to incumbent and new technologies found within the data center

b)

YARN is highly scalable

c)

YARN enhances a Hadoop compute cluster in many ways

d)

All of the mentioned

28.

Apache Hadoop YARN stands for:

a)

Yet Another Reserve Negotiator

b)

Yet Another Resource Network

c)

Yet Another Resource Negotiator

d)

Yet Another Resource Manager

29.

Consider the pseudo-code for MapReduce's WordCount example (not shown here). Let's now assume that you want to determine the frequency of phrases consisting of 3 words each instead of determining the frequency of single words. Which part of the pseudo-code do you need to adapt?

a)

Only map()

b)

Only reduce()

c)

Both map() and reduce()

d)

The code does not have to be changed

30.

For which of the following operations is NO communication with the NameNode required?

a)

A client writing a file to HDFS.

b)

A client requesting the filename of a given block of data.

c)

A client reading a block of data from the cluster.

d)

A client reading a file from the cluster.

31.

Which of the following components reside on a NameNode?

a)

Filenames, blocks and checksums

b)

Blocks and heartbeat messages

c)

Filenames, block locations

d)

Blocks and block locations

32.

Which of the following statements are true about key/value pairs in Hadoop?


a)

A map() function can emit up to a maximum number of key/value pairs (depending on the Hadoop environment).

b)

A map() function can emit anything between zero and an unlimited number of key/value pairs.

c)

A reduce() function can iterate over key/value pairs multiple times.

d)

A call to reduce() is guaranteed to receive key/value pairs from only one key.

33.

What is true about ETL and ELT in data integration?

a)

ETL is faster than ELT

b)

ETL is more suited for real-time applications

c)

ELT requires more storage space than ETL

d)

All the given answers are true

34.

What is the main benefit of stream processing over batch processing?

a)

Handles large batches of data more effectively

b)

Requires more storage and processing power

c)

Offers lower latency in processing data

d)

Better suited for complex computation and analysis

35.

Which type of data processing is suitable for real-time processing with low latency requirements?

a)

Batch processing

b)

Stream processing

36.

Which of the following best describes time series data?

a)

Data that represents a single point in time, such as a snapshot of a database.

b)

Data that is collected and recorded over a continuous sequence of time intervals.

37.

What is the role of a 'Consumer' in Apache Kafka?

a)

It writes data into Kafka.

b)

It reads and processes data from Kafka.

c)

It manages the Kafka cluster.

d)

It encrypts the data in Kafka.

38.

In data streaming, what is a 'Data Packet'?

a)

A type of database used in Apache Kafka.

b)

A programming language for stream processing.

c)

A tool for data encryption.

d)

A unit of data sent over a network.

39.

What is the purpose of 'Partitions' in Apache Kafka?

a)

To encrypt data streams.

b)

To divide topics for parallel processing.

c)

To compress data for faster transmission.

d)

To visualize data streams.

40.

In the context of data streaming, what does 'ingest' refer to?

a)

Analyzing data

b)

Storing data

c)

Taking data into the system

d)

Visualizing data

41.

You are deploying an application to track GPS coordinates of delivery trucks in the United States. Coordinates are transmitted from each delivery truck once every three seconds. You need to design an architecture that will enable real-time processing of these coordinates from multiple consumers.


Which service should you use to implement data ingestion?

a)

Amazon Kinesis

b)

AWS Data Pipeline

c)

Amazon AppStream

d)

Amazon Simple Queue Service

42.

HDFS works in a __________ fashion

a)

master-worker

b)

master-slave

c)

worker/slave

d)

worker/master

43.

HDFS is implemented in _____________ programming language.

a)

Scala

b)

C++

c)

Java

d)

C

44.

________________refers to the biases, noise and abnormality in data, trustworthiness of data.

a)

Value

b)

Veracity

c)

Velocity

d)

Volume

45.

Which technology is best known for data visualization?

a)

  • A) Presto

b)

  • B) Splunk

c)

  • C) Tableau

d)

  • D) ElasticSearch

46.

Which of the following big data technologies is primarily associated with machine learning?

a)

  • A) Apache Spark

b)

  • B) MongoDB

c)

  • C) Hunk

d)

  • D) RainStor

47.

In _________________ computing, the computing task is divided across several computers.   

a)

Parallel

b)

IMC

c)

Distributed

d)

Grid

48.

________ and _______ are the two core components of the Hadoop Ecosystem.

a)

HBase and Hive

b)

YARN and MapReduce

c)

HDFS and YARN

d)

HDFS and MapReduce

49.

Which of the following is not a cloud delivery model

a)

TaaS

b)

IaaS

c)

PaaS

d)

SaaS

50.

An orange grove company has sensors in the trees and on the machines that harvest the oranges. A camera mounted on the harvester takes a close-up picture of the orange every 5 minutes. Live data is sent to the distributor who gets this data from 100 companies. Does the distributor have big data?

a)

Yes

b)

No

51.

An independent t-shirt vendor advertises through Facebook and other social media sites. The vendor receives statistics on the customer demographics. Does the vendor have big data?

a)

Yes

b)

No

52.

Smart parking meters, real-time street traffic video, and crime statistics feed data to an app that shows users recommended and available parking spaces as well as information regarding cost and a safety/security rating. Does the app use big data?

a)

Yes

b)

No

53.

Which of the following means data can be trusted

a)

Veracity

b)

Velocity

c)

Variety

54.

Joe is walking towards north for 15 miles, turns left and walks another 10 miles. He then turns right and walks 10 miles. Now he again turns right and walks 30 miles. Which direction is he from starting point ?

a)

North - East

b)

South- East

c)

North - west

d)

South- Weat

55.

Morris is facing north and walks 10 kms. He turns 270° anti clock wise and walks 15kms. Now, he again turns 45° clock wise and walks for 25kms. Which direction is he facing now ?

a)

South- East

b)

North- East

c)

North

d)

South

56.

Ashwini is kirans sister. Komal is kirans mother. Dipen is komal father. Esha is dipen mother. Then, how is Ashwini related to dipen?

a)

Granddaughter

b)

Grandfather

c)

Daughter

d)

Father

57.

A's mother is sister of B and daughter of C. D is daughter of B and sister of E. How is C related to E?

a)

Either Grandfather or Grandmother

b)

Father

c)

Mother

d)

Aunt

58.

A boys walks 12 kms toward East. He turns 90° clockwise and walks 20kms then he turned right and walked for 33kms. How far is he from starting point ?

a)

29

b)

65

c)

21

d)

45

59.

In a group discussion A,B,C,D, E and F are sitting around a rectangular table

A is sitting on a side alone

B,C are sitting on the same side.

F is facing A

D is the immediate left to F

C is facing D

1. Who is immediate right of A?

2. Who is between B and F ?

a)

1. E 2. C

b)

1. D 2. E

c)

1. A 2. D

d)

1. E 2. A

60.

Six friends A,B,C,D,E&F are sitting on a circular table facing outwards.

E is between B & C .

B& F are exactly opposite to each other.

A is exactly to the right of B

1. Who is in between D and B?

2. Who is exactly to the right of D ?

3. Who are the neighbors of A?

a)

1. A 2. F 3. B&D

b)

1. F 2. A 3. A & D

c)

1. D 2. B 3. F & D

61.

Which of the following set of letters will complete the given letter series? WFB, TGD, QHG, ?

a)

NU

b)

NIK

c)

NJK

d)

PJK

62.

In a certain code, TELEPHONE is written as ENOHPELET. How is ALI GATOR written in that code?

a)

ROTAGILA

b)

ROTAGAIL

c)

ROTAGILE

d)

ROTEGILA

63.

Which alternative will replace the question mark.

Cup: Lip:: Bird:?

a)

  1. Bush

b)

  1. Grass

c)

  1. Forest

d)

  1. Beak

64.

Arrange the words given below in a meaningful sequence.

  1. 1. Police  2. Punishment   3. Crime  4. Judge  5. Judgment

a)

  1. 3, 1, 2, 4, 5

b)

  1. 1, 2, 4, 3, 5

c)

  1. 5, 4, 3, 2, 1

d)

  1. 3, 1, 4, 5, 2

65.

FBG, GBF, HBI, IBH, ____?

a)

  1. HBL

b)

  1. HBK

c)

  1. JBK

d)

  1. JBI

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