technical - CSE Things

DevOps Implementation: A Guide for IT Industry

CSE-THINGS — Sat, 22 Apr 2023 14:30:00 +0000

Welcome to this guide on DevOps implementation in the IT industry. Throughout this guide, we will examine the fundamental concepts, advantages, and best practices for adopting DevOps in your organization.

Let’s delve into the world of DevOps and discover how to implement it successfully.

DevOps has gained popularity as a software development methodology that bridges the gap between development and IT operations.

In this article, we will explore what DevOps entails, why it is crucial, and how it can be implemented in your organization.

Definition of DevOps DevOps emphasizes integration, collaboration, and communication between development and IT operations teams. It replaces traditional silos with a culture of continuous improvement, enabling developers and IT operations to work together to deliver software efficiently and quickly.
Significance of DevOps DevOps has various benefits, including faster software delivery, higher quality software, increased collaboration between teams, and reduced costs. Adopting DevOps enables organizations to improve their customer satisfaction, respond quickly to changing business needs, and minimize time-to-market.
Essential Components of DevOps Automation, continuous integration, continuous delivery, and continuous deployment are fundamental components of DevOps. Automation streamlines software development, while continuous integration ensures efficient integration of code changes. Continuous delivery and deployment enable the teams to deliver software frequently and quickly while maintaining high-quality standards.
How to Implement DevOps in Your Organization To implement DevOps, you must begin by identifying areas for improvement within your current processes. Create a DevOps team, consisting of development and IT operations professionals, and provide them with appropriate training and resources. Encourage a culture of continuous improvement and regularly evaluate and optimize your processes.

In conclusion, DevOps is a software development methodology that promotes collaboration, communication, and integration between development and IT operations teams.

By adopting DevOps practices, organizations can streamline their software development process and deliver high-quality software quickly and efficiently.

Learn DevOps from – Simplilearn
check our new blog – The Fascinating World of Computer Science

The post DevOps Implementation: A Guide for IT Industry appeared first on CSE Things.

Master Data Viz with Tableau: Your Ultimate Guide

CSE-THINGS — Wed, 19 Apr 2023 16:42:56 +0000

Tableau is a data visualization software that enables users to analyze, visualize, and share complex data insights in a simple and easy-to-understand format.

It provides a drag-and-drop interface that allows users to create interactive dashboards, reports, and charts to represent data from various sources, including Excel spreadsheets, databases, and cloud-based platforms like Salesforce and Google Analytics.

One of the key features of Tableau is its ability to connect to multiple data sources and transform raw data into meaningful insights.

Once connected to the data, users can choose from a wide range of chart types, such as bar charts, line charts, scatter plots, and heat maps, to create visualizations that best represent the data.

Advanced charts like treemaps, packed bubbles, and bullet charts can also be created to convey complex information effectively.

Tableau’s data filtering feature enables users to filter data by date, region, or product category, among other options, helping them focus on specific aspects of the data.

Additionally, Tableau’s calculations and parameters allow users to perform more advanced analysis of their data, providing a deeper understanding of the insights.

Interactive dashboards are a major advantage of using Tableau.

Dashboards consist of multiple visualizations that allow users to explore the data and gain real-time insights by interacting with the visualizations.

For example, by clicking on data points or filters, users can update the other visualizations in the dashboard accordingly.

This feature enables users to ask and answer questions on the fly and uncover insights that may have gone unnoticed in a static report.

Tableau offers a wide range of sharing options, allowing users to share their visualizations and dashboards with others easily.

Users can publish their visualizations to Tableau Server, which provides secure access to other users. Alternatively, users can embed their visualizations into web pages, blogs, or other applications using Tableau’s JavaScript API.

In conclusion, Tableau is an essential tool for data analysts and business intelligence professionals who want to explore, analyze, and visualize data from various sources.

With its powerful features, intuitive user interface, and interactive dashboards, Tableau is an excellent solution for anyone looking to gain insights from their data.

Also, check the Tableau mcq question

The post Master Data Viz with Tableau: Your Ultimate Guide appeared first on CSE Things.

Data science MCQs With Answers – Csethings

CSE-THINGS — Fri, 02 Dec 2022 11:17:18 +0000

Question 1: From the expression, X= a+bc, ‘a’ is called

Options :

a. Operator

b. Special character

c. Value

d. Operand

Answers :d. Operand

Question 2: Which of the following control statement is used to terminate the loop?

Options :

a. next

b. switch

c. break

d. with

Answers : c. break

Question 3: In general, which is not a valid data type?

Options :

a. Numeric

b. Alpha numeric

c. Character

d. Integer

Answers : b. Alpha numeric

Question 4 : Total number of ASCII characters used for programming are:-

Options :

a. 256

b. 127

c. 128

d. 150

Answers : a. 256

Question 5: Consider the code below and identify the data type of the variable ‘X’
X = “cust-45963”

Options :

a. complex

b. string

c. integer

d. boolean

Answers : b. string

Question 6: Which of the following variable(s) is/are character data types?

Options :

a. X=“1”

b. X= “Hello”

c. X= “?”

d. All of the above

Answers : d. All of the above

Question 7: Which of the following is not a numeric datatype?

Options :

a. integer

b. float

c. double

d. boolean

Answers : d. boolean

Question 8: What does the extension “.csv” mean?

Options :

a. command separated value

b. comma separated value

c. comma separated variable

d. None of the above

Answers : c. comma separated value

Question 9: Output for the bitwise operations 3&5 is

Options :

a. 3

b. 1

c. 5

d. 7

Answers : b. 1

Question 10: Output for the bitwise operations 3&5 is

Options :

a. 3

b. 1

c. 5

d. 7

Answers : b. 1

Question 11: Which of the following operators returns a boolean output?

Options :

a. AND

b. NOR

c. NOT

d. All of the above

Answers : d. All of the above

Question 12: Which of the following operators returns a boolean output?

Options :

a. AND

b. NOR

c. NOT

d. All of the above

Answers : d. All of the above

Question 13 : Which of the following operator is a relational operator?

Options :

a. AND (&)

b. Not (!)

c. Greater than (>)

d. OR (/)

Answers : c. Greater than (>)

Question 14: Lottery tokens are numbered from 1 to 25. What is the probability that a token drawn is a multiple of 5 or 7?

Options :

a. 12/25

b. 14/25

c. 8/25

d. 17/25

Answers : c. 8/25

Question 15 : Which of the following operator is a relational operator?

Options :

a. AND (&)

b. Not (!)

c. Greater than (>)

d. OR (/)

Answers : c. Greater than (>)

The post Data science MCQs With Answers – Csethings appeared first on CSE Things.

Tableau MCQ’s

CSE-THINGS — Tue, 13 Jul 2021 05:32:00 +0000

Question 1 :

Which of the accompanying isn’t a Pattern Line display?

Options :

a. Straight Pattern Line

b. Exponential Pattern Line

c. Binomial Pattern Line

d. Logarithmic Pattern Line

Answers : 

c.  Binomial Pattern Line

Question 2 :

Is it conceivable to convey a URL activity on a dashboard question open a Site page inside a dashboard as opposed to opening the framework’s internet browser?

Options :

a. Valid, with the utilization of Scene Server

b. Valid, with the utilization of a Site page protest

c. False, unrealistic

d. Genuine, requires a module

Answers : 

b. Valid, with the utilization of a Site page protest

Question 3 :

For making variable size canisters we utilize _____________.

Options :

a. Sets

b. Gatherings

c. Computed fields

d. Table Estimations

Answers : 

c.  Computed fields

Question 4 :

A justifiable reason motivation to utilize a projectile chart.

Options :

a. Examining the pattern for an era

b. Looking at the genuine against the objective deals

c. Adding information to canisters and ascertaining tally measure

d. Showing the business development for a specific year

Answers : 

b. Looking at the genuine against the objective deals

Question 5 :

How do you identify a continuous field in Tableau?

Options :

a. It is identified by a blue pill in the visualization

b. It is identified by a green pill in a visualization

c. It is preceded by a # symbol in the data window

d. When added to the visualization, it produces distinct values

Answers : 

b. It is identified by a green pill in a visualization

Question 6 :

The image below uses which map visualization?

Options :

a. Filled maps

b. Layered maps

c. WMS server maps

d. Symbol maps

Answers : 

c. WMS server maps

Question 7 :

What are the file extensions in Tableau.

Options :

a. Tableau Workbook (.twb)

b. Tableau Packaged Workbook (.twbx)

c. Tableau Data Source(.tds)

d. All of the above

Answers : 

d. All of the above

Question 8 :

For creating variable size bins we use _____________

Options :

a. Sets

b. Groups

c. Calculated fields

d. Table Calculations

Answers : 

c. Calculated fields

Question 9 :

Is it possible to use measures in the same view multiple times (e.g. SUM of the measure and AVG of the measure)?

Options :

a. No

b. Yes

c. May be

Answers : 

b. Yes

Question 10 :

A good reason to use a bullet graph.

Options :

a. Analysing the trend for a time period

b. Comparing the actual against the target sales

c. Adding data to bins and calculating count measure

d. Displaying the sales growth for a particular year

Answers : 

b. Comparing the actual against the target sales

The post Tableau MCQ’s appeared first on CSE Things.

Latest Linux/Unix Practice questions

CSE-THINGS — Sun, 11 Jul 2021 10:47:51 +0000

Question 1 :

We have a scenario. We receives a source file having header and footer. In between them we receive incremental data of varying number of rows.

Please write a script to remove header and footer from the file.

Hint – using head, tail and wc commands (there are other ways like using sed and awk too)

Answers : 

read -p "Enter file name: " fname
sed -i '1d;$d' $fname

Question 2 :

Please write a code to read any file line by line.

Answers :

 #!/bin/bash

input="/root/shell_scripts/abc"

while IFS= read -r line

do

  echo "$line"

done < "$input"

Question 3 :

Let’s say we have a file is a comma delimited file and it has multiple columns of data. Please write a code to print the 2nd and 5th columns from this comma (,) delimited file

Answers :

awk -F',' '{print $2, $5}' emplist.txt

Question 4 :

What is the diff between cp and mv commands.

Answers :

cp command is used to copy the file and mv command is used to move so the only difference is while using cp command old file is not affected but while using mv command old file is is deleted from its path and will be available at new path.

Question 5 :

Write a command to replace a word ‘abc’ from a file with word ‘xyz’.

Answers :

open vi editor

 :%s/abc/xyz/g

Question 6 :

What is the meaning of “-ltr” in “ls” command.

Answers :

ltr = -ltr command will list all files according to the order of time in which they were created. and also list command display the file name, file permission, owner name, group name, date and time, creation links etc. “ltr” stands for l = long listing, t = time, r = recursive.

ls = command shows a list of all the files and directories present in the current working directory of your machine.

Question 7 :

Write a code (or a set of commands) to read the two inputs from the user and calculate the summation of both the values.

Answers :

#!/bin/bash

read -p "Enter first number: " num1

read -p "Enter second number: " num2

sum=$(( $num1 + $num2 ))

echo "Sum is: $sum"

Question 8 :

Write the syntax to check execution status of the previous command.

Answers :

echo $?

Question 9 :

Write the syntax to get the number of arguments passed to a Script.

Answers :

echo $#

Question 10 :

Write the syntax with examples of if-else, for loop, while loop in Unix shell scripting.

Answers :

echo WHILE LOOP

a=0

while [ $a -lt 10 ]

do

echo $a

a=`expr $a + 1`

done

#if else

echo IF ELSE LOOP

a=123

b=890

echo a is $a

echo b is $b

if [ $a == $b ]

then

echo "a is equal to b"

else

echo "a is not equal to b"

fi

#for loop

echo FOR LOOP

for (( i=0; i<10 ; i++ ))

do

echo $i

done

Question 11 :

What is the diff between “>” and “>>”?

Answers :

The > sign is used to create a file and add data to it and also for redirecting the output of a program to something other than stdout.

The >> appends to a file or creates the file if it doesn’t exist.

The > overwrites the file if it exists or creates it if it doesn’t exist.

Question 12 :

Explain with example Each field in crontab

Answers :

MIN HOUR DOM MON DOW CMD

Minute – A minute value can be between 0-59

Hour – A hour value can be between 0-23

Day_of_the_month – This value can between 1-31. For the months having less days will ignore remaining part

Month_of_the_year – This can be between 1-12. You can also define this value with first three alphebts of month like jan, feb, mar, apr etc.

Day_of_the_Week – This can be the value between 0-7. Where 0 and 7 for Sunday, 1 for Monday, 2 for Tuestday etc. You can also use first three alphabets of days like, sun, mon, tue, wed, etc.

Command to view crontab entries of current user —-> crontab -l

Command to view crontab entries of a specific user ——> crontab -u username -l

Question 12 :

Explain with example Each field in crontab

Answers :

MIN HOUR DOM MON DOW CMD

Minute – A minute value can be between 0-59

Hour – A hour value can be between 0-23

Day_of_the_month – This value can between 1-31. For the months having less days will ignore remaining part

Month_of_the_year – This can be between 1-12. You can also define this value with first three alphebts of month like jan, feb, mar, apr etc.

Day_of_the_Week – This can be the value between 0-7. Where 0 and 7 for Sunday, 1 for Monday, 2 for Tuestday etc. You can also use first three alphabets of days like, sun, mon, tue, wed, etc.

Command to view crontab entries of current user —-> crontab -l

Command to view crontab entries of a specific user ——> crontab -u username -l

Question 13 :

In shell script when to we should use a single and double quotes?

Answers :

Single Quotes Can be used to stop interpreting the special characters and display them.

and Double Quotes are used to interpret the special Characters.

Question 14 :

Write the command to change the owner and permissions of the file/ directory?

Answers :

chown jagruti abc

chmod +777 abc

Question 15 :

Write a script to which should first accept a String from user as a input and then Reverse it

Answers :

  #!/bin/bash

echo "enter the string "

read str

len=`echo ${#str}`

while [ $len -ne 0 ]

do

y=$y`echo $str | cut -c $len`

((len--))

done

echo $y

Question 16 :

Write a script to accept 2 Strings from user as a input and then concatenate it.

Answers :

 echo "Enter String 1"

read str1

echo "Enter String 2"

read str2

str1+=$str2

echo $str1

The post Latest Linux/Unix Practice questions appeared first on CSE Things.

Microsoft Azure Mock Test Question and Answers

CSE-THINGS — Thu, 20 May 2021 17:39:12 +0000

Microsoft Azure Mock Test Post Excerpt" data-value-text="Question 1 : Identify Microsoft's cross-platform command-line experience for managing Azure resources.Options : a. Azure PowerShellb. Azure Portalc. Azure CLIAnswers : c. Azure CLI Question 2 : To Complete the Sentence, Select the appropriate option in the answers area.An organization that hosts its infrastructure. ____________ no longer requires a data centerOptions : a. On a Hyper-v hostb. […]" data-menu-html="

Post Excerpt

The excerpt defined on your post.

">Question and Answers

Question 1 : Identify Microsoft’s cross-platform command-line experience for managing Azure resources.

Options :

a. Azure PowerShell

b. Azure Portal

c. Azure CLI

Answers : c. Azure CLI

Question 2 : To Complete the Sentence, Select the appropriate option in the answers area.

An organization that hosts its infrastructure. ____________ no longer requires a data center

Options :

a. On a Hyper-v host

b. In a Private Cloud

c. In the public Cloud

d. In a Hybrid Cloud

Answers : b. In a Private Cloud

Question 3 : You want to deploy an application in a container, and may need to run it at scale on some occasions. You want to deploy the containers directly to Azure without having to first deploy virtual machines. Which services are available for you to use to deploy containers directly to Azure? (choose two)

Options :

a. Azure Kubernetes Services(AKS)

b. Azure Functions

c. Azure Container Instances

d. VMs

Answers : a. Azure Kubernetes Services(AKS) and c. Azure Container Instances

Question 4 : You need to deploy several web servers and several database servers to azure with limited types of connections from the web servers to the database servers, which azure solution is suitable for the above scenario?

Options :

a. A local network gateway

b. Network security group(NSGs)

c. A route filter

d. Azure Service Bus

Answers : b. Network Security groups(NSGs)

Question 5 : Which Hadoop service hosted in Azure allows you to create clusters of managed Hadoop Instances?

Options :

a. CosmosDB

b. Data Lake Analytics

c. Azure HD Insight

Answers : c. Azure HD Insight

Question 6 : For the following statements, select Yes if the statement is true. Otherwise, select No.

“All data that is copied to an Azure Storage account is backed up automatically to another Azure data center. “

Options :

a. No

b. Yes

Answers : b. Yes

Question 7 : In an Azure Virtual network, which Azure services can a user make use of, to inbound and outbound network traffic to and from Azure Services.

Options :

a. Azure AD

b. Azure Firewall

c. Network Security group

d. VPN Gateway

Answers : c. Network Security group

Question 8 : Which Azure service enables user to configure fine-grained access control for Azure resources, allowing you to grant only the permissions they need to complete their task?

Options :

a. Role-Base Access Control

b. Policy

c. Locks

d. Initiatives

Answers : a. Role-Base Access Control

Question 10 : What kind of solution involves the highest technical responsibility?

Options :

a. Iaas

b. Saas

c. Paas

d. Daas(Database as aServices)

Answers : b. Saas

Question 11 : For the following statements, select Yes if the statement is true. Otherwise, select No.

“Azure Monitor can monitor the performance of on-premises computers.”

Options :

a. Yes

b. No

Answers : a. Yes

Question 12 : Which Computing Technology is used to describe services and applications that operates on distributed network using virtualized resources?

Options :

a. Cloud Computing

b. Parallel Computing

c. Distributed Computing

d. Soft Computing

Answers : a. Cloud Computing

Question 13 : which of the following has multiple characteristics of what is now be represented cloud computing.

Options :

a. Internet

b. Software

c. Web Services

d. All of the mentioned

Answers : a. Internet

Question 14 : A user needs to mange the settings of the Azure web app from an iPhone. What are two Azure management tools that you can use? Each correct answer presents a complete solutions.

Options :

a. Azure CLI

b. Azure Cloud Shell

c. The Azure portal

d. Azure Storage Explorer

e. Windows PowerShell

Answers : b. Azure Cloud Shell and c. The Azure portal

Question 15 : For the following statements, select Yes if the statement is true. Otherwise, select No.

“Azure Monitor can trigger alerts based on data in an Azure log Analytics workspace.”

Options :

a. Yes

b. No

Answers : a. Yes

Question 16 : Identify what is required to use Azure Cost Management?

Options :

a. An Enterprise Agreement(EA)

b. A pay-as-you-go subscription

c. A Dev/Test subscription

d. Software Assurance

Answers : b. A pay-as-you-go subscription

Question 17 : What sholud you use to evaluate whether your company’s Azure environment meets regulatory requirements?

Options :

a. Azure Security Center

b. Azure Knowledge Center

c. Azure Service Health

d. Azure Advisor

Answers : a. Azure Security Center

Question 18 : Identify the cloud concept related to pooling and sharing of resources.

Options :

a. Abstraction

b. Virtualization

c. None of the mentioned

d. Polymorphism

Answers : b. Virtualization

Question 19 : Identify the correct azure policy from the list to automatically add a sensitivity labels documents that contain confidential data.

Options :

a. Azure Active Directory (Azure AD)

b. None of these

c. Azure Information Protection

d. DDos protection

Answers : c. Azure Information Protection

Question 20 : cloud computing is a technique that involves compiling of physical resources and displaying them as a _______ resource.

Options :

a. Virtual

b. cloud

c. real

d. none of the mentioned

Answers : a. Virtual

Question 21 : For the following statements, select Yes if the statement is true. otherwise, select No.

“Data that is copied to an Azure Storage account is maintained automatically in at least three copies.”

Options :

a. Yes

b. No

Answers : a. Yes

Question 22 : What are the primary services available for monitoring the health of your apps and resources?

Options :

a. Azure Services Health

b. Azure Monitor

c. Both

d. None

Answers : c. Both

Question 23 : which one of the following is related to the services provided by cloud?

Options :

a. Reliability

b. PaaS

c. Sourcing

d. Ownership

Answers : b. PaaS

Question 24 : Identify the web traffic load balancer that allows you to control traffic to web applications.

Options :

a. Azure Application Gateway

b. Scale Set

c. Availability Set

Answers : a. Azure Application Gateway

Question 25 : Which concept better defines the ability of a cloud service’s to rapidly expand user accounts?

Options :

a. Volatility

b. Elasticity

c. Synchronicity

d. Viability

Answers : b. Elasticity

The post Microsoft Azure Mock Test Question and Answers appeared first on CSE Things.

Python MCQ’s (2021 Update)

CSE-THINGS — Thu, 06 May 2021 11:39:19 +0000

Question 1 :

Select the real world Applications of Python:

Options :

a. Machine Learning

b. Python makes Robotics possible

c. All of the above

d. Scientific and Numeric Computing

Answers : 

c. All of the above

Question 2 :

Which of these are Python IDE’s?

Options :

a. IDLE

b. Code Blocks

c. Spyder

d. Jupyter Notebooks

Answers : 

b. Code Blocks

Question 3 :

Which is not a key feature of Python?

Options :

a. Interpreted Language

b. Used in Many Spheres

c. OOPS

d. Speed Fast Execution

Answers : 

d. Speed Fast Execution

Question 4 :

The variable which notifies the Python Interpreter where to locate module

Options :

a. PYTHONSTARTUP

b. PYTHONPATH

c. PYTHONCASEOK

d. PYTHONHOMME

Answers : 

b. PYTHONPATH

Question 5 :

Which is the famous Python Library used for GUI Applications?

Options :

a. Turtledemo

b. Textwrap

c. Tkinter

d. .n spect

Answers :

c. Tkinter

Question 6 :

Which is used to provide the Model, view and maps it to serve it to a URL and does the magic to serve it to the user.

Options :

a. Django

b. All of the above

c. Pyramid

d. Flast

Answers : 

a. Django

Question 7 :

Which is not a namespace in Python?

Options :

a. Module

b. Local

c. Global

d. List

Answers : 

d. List

Question 8 :

ldentify the Valid Statement

Options :

a. abc = 1000 2000 3000

b. abc = 1000 2000 4000

c. None of the Above

d. a_b_c = 1,000,000

Answers : 

d. a_b_c = 1,000,000

Question 9 :

“//” in Python is a :

Options :

a. Floor Division Operator

b. Multi-quoted Lines

c. Comment

d. New line

Answers : 

a. Floor Division Operator

Question 10 :

Which of the following
Code gives you the Integer as output ?

Options :

a. print(“1+2-3*2=”, 1+2-3*2)

b. print(“1 +2-3* 2 = “,1 +2-3)* 2)

c. print(“1 +2 -3* 2 =”, 1+(2-3)* 2)

d. print(“1+2- 3* 2 = “,(1+2)-3*2)

Answers : 

d. print("1+2- 3* 2 = ",(1+2)-3*2)

Question 11 :

Python identifiers has maximum possible length. TRUE or FALSE?

Options :

a. False

b. True

Answers : 

a. False

Question 12 :

Write the output of the below code:

print(“6**3=”,6**3)

Options :

a. 216

b. 2

c. 18

d. 0

Answers : 

a. 216

Question 13 :

Write the output of the following Code :

sentence = “\”Always remember you are unique”
multi_Sentence = “‘Just everyone else”‘

print(“%s %s %s %(‘I like the quote’, sentence
multi_Sentence))

Options :

a. \”Always remember you are unique” Just everyone else

b. I like the quote “Always remember you are unique” Just everyone else

c. I like the quote Always remember you are unique Just everyone else

d. I like the quote \”Always remember you are unique” Just everyone else

Answers : 

b. I like the quote "Always remember you are unique" Just everyone else

Question 14 :

Which of the code will give the output as “These are 7 pink roses”?

Options :

a. “These are %g %d roses” %7 %pink

b. “These are %d %s roses” 7, pink

c. “These are %d %s roses” %(7, pink)

d. “These are %d %s roses” 6[7, pink]

Answers : 

c. "These are %d %s roses" %(7, pink)

Question 15 :

‘%x %d’ %(255, 255)

Options :

a. ‘255, 255’

b.’ff, 255′

c. ’15f, 15f’

d. Error

Answers : 

b.'ff, 255'

You may also Visit :

Factor Analysis MCQ’s

Support Vector Machine MCQ’s

K-Nearest Neighbours MCQ’s

Random Forest MCQ’s

Naive Bayes MCQ’s

Ancova MCQ’s – Aritificial Intelligence

The post Python MCQ’s (2021 Update) appeared first on CSE Things.

Factor Analysis (Artificial Intelligence)

CSE-THINGS — Thu, 06 May 2021 11:15:12 +0000

Question 1 :

Factor Analysis is What Technique?

Options :

a. Dependent

b. Interdependent

c. Significant

d. All the Above

Answers : 

b. Interdependent

Question 2 :

In Factor Analysis which factor explains the largest portion of the total variance?

Options :

a. First Factor

b. Second Factor

c. Fourth factor

d. All the Above

Answers :

a. First Factor

Question 3 :

Which of the Factor Analysis accounts for the most of the residual variance?

Options :

a. First Factor

b. Second Factor

c. Fourth factor

d. All the Above

Answers : 

b. Second Factor

Question 4 :

Which test is used to examine the hypothesis that the variables are uncorrelated in the population?

Options :

a. Bartlett’s test

b. Correlation Matrix

c. Communality

d. Factor Matrix

Answers : 

a. Bartlett's test

Question 5 :

The diagonal elements, which are all 1, are usually omitted in which method?

Options :

a. Bartlett’s test

b. Correlation Matrix

c. Communality

d. Factor Matrix

Answers : 

b. Correlation Matrix

Question 6 :

Which represents the total variance explained by each factor?

Options :

a. Factor Loading

b. Eigen Value

c. Communality

d. Factor Matrix

Answers : 

b. Eigen Value

Question 7 :

In Barlett test of sphericity Kaiser-Meyer-Olkin measure of sampling adequacy is?

Options :

a. 0

b. 0.6660

c. 15

d. 111.34

Answers : 

b. 0.6660

Question 8 :

The differences between the observed correlations, as given in the input correlation matrix, and the reproduced Reload correlations, as estimated from the factor matrix ?

Options :

a. Factor Scores

b. Residuals

c. KMO

d. Scree Plot

Answers : 

b. Residuals

Question 9 :

When the axes are not maintained at right angles, and the factors are correlated ?

Options :

a. Orthogonal Rotation

b. Oblique Rotation

c. All the above

d. Varimax

Answers : 

b. Oblique Rotation

Question 10 :

When the primary concern is to identify the underlying dimensions and the common variance is of interest ?

Options :

a. Principal Axis Factor

b. All the above

c. Principal components

d. Factor Score

Answers : 

a. Principal Axis Factor

Question 11 :

Which Process is based on a matrix of correlations between the variables

Options :

a. Analytical Process

b. Residual Process

C.KMO

d. None of these

Answers : 

a. Analytical Process

You may also Visit :

Support Vector Machine MCQ’s

K-Nearest Neighbours MCQ’s

Random Forest MCQ’s

Naive Bayes MCQ’s

Ancova MCQ’s – Aritificial Intelligence

The post Factor Analysis (Artificial Intelligence) appeared first on CSE Things.

Latest Support Vector Machine MCQ’s with answers

CSE-THINGS — Thu, 06 May 2021 11:02:52 +0000

Question 1 :

SVM stands for?

Options :

a. Simple Vector Machine

b. Support Vector Machine

c. Super Vector Machine

d. All the Above

Answers : 

b. Support Vector Machine

Question 2 :

SVM is classified into how many types?

Options :

a. One

b. Two

c. Three

d. Four

Answers : 

b. Two

Question 3 :

SVM, which best segregates classes into how many classes?

Options :

a. One

b. Two

c. Three

d. Four

Answers : 

b. Two

Question 4 :

SVM is a supervised Machine Learning can be used for

Options :

a. Regression

b. Classification

c. Either a or b

d. None of These

Answers : 

c. Either a or b

Question 5 :

Linear separator, Hyper plane

Options :

a. f(x)=sign(w/x+b)

b. f(x)=sign(w+x+b)

c. f{x)=sign(w.x+b)

d. f(x)=sign(w-x+b)

Answers : 

c. f{x)=sign(w.x+b)

Question 6 :

In Hyper plane, f(x)=sign(w*x+b) where ‘w’ is a?

Options :

a. Constant

b. Vector

c. Distance

d. None of the Above

Answers : 

b. Vector

Question 7 :

Closest Point to the hyper plane are support vectors

Options :

a. True

b. False

c. Unpredictable

d. None of these

Answers : 

a. True

Question 8 :

Where p is ?

Options :

a. Constant

b. Null

c. Margin

d. Hyper plane

Answers : 

c. Margin

Question 9 :

By maximizing the distances between nearest data point and
hyper plane will help us to decide the right hyper-plane.

Options :

a. Margin

b. Mercer’s Theorem

c. Regression

d. None of these

Answers : 

a. Margin

Question 10 :

Slack variables ε, can be added to allow misclassification of
difficult or noisy examples, resulting margin is called?

Options :

a. Soft Margin

b. Null Margin

c. High Margin

d. Low Margin

Answers :

a. Soft Margin

Question 11 :

Every semi-positive definite symmetric function is a kernel

Options :

a. Mercer’s theorem

b. Bayes Theorem

c. Probabilistic Theorem

d. None of the Above

Answers :

a. Mercer's theorem

K-Nearest Neighbours MCQ’s (AI)

CSE-THINGS — Thu, 06 May 2021 10:48:17 +0000

Question 1 :

Time to classify a new example than with a model in Knn requires?

Options :

a. Depends on Data *

b. More Time

c. None of these

d. Less time

Answers : 

b. More Time

Question 2 :

The Euclidean distance between two a set of numerical attributes is called as?

Options :

a. Closeness

b. Validation data

c. Error Rate

d. None of these

Answers : 

a. Closeness

Question 3 :

Which is the number of nearby neighbours to be used to classify the new record ?

Options :

a. KNN

b. Validation data

c. Euclidean Distance

d. All the above

Answers : 

a. KNN

Question 4 :

Which capture the local structure in data ?

Options :

a. Low Value

b. High Value

c. Error Rate

d. All the Above

Answers : 

a. Low Value

Question 5 :

Which provide more smoothing, less noise ?

Options :

a. Low Value

b. High Value

c. Error Rate

d. All the Above

Answers : 

b. High Value

Question 6 :

Income, Lot size belongs to?

Options :

a. Predictor

b. Data

c. Error Rate

d. None of these

Answers : 

a. Predictor

Question 7 :

Classification done in Euclidean distance is comparing feature vectors of ?

Options :

a. Same Point

b. Within Point

c. Different Point

d. Noneof these

Answers : 

c. Different Point

Question 8 :

Target function value is represent ?

Options :

a. Continuous Value

b. Discrete Value

c. Real Value

d. Both b and c

Answers : 

d. Both b and c

Question 9 :

Calibration of numeric data in disparate ranges makes

Options :

a. Reduce Effects

b. Increase Lot Size

c. Reduce Distance

d. All the above

Answers : 

a. Reduce Effects

Question 10 :

All training points may influence a particular instance ?

Options :

a. Sheppard’s Method

b. Skew rule

c. Euclidean Distance

d. None of these

Answers : 

a. Sheppard's Method

Question 11 :

Select K Average test Error?

Options :

a. Minimum

b. Maximum

c. Null

d. None of these

Answers : 

a. Minimum

Question 12 :

In Optimal value of ‘k’ training part considered as?

Options :

a. P

b. P-1

c. 1-p

d. 1

Answers : 

b. P-1