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Backend Development Quiz
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Backend Development Quiz
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0
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0
Q.
1
Which language is commonly used for backend development?
A.
HTML
B.
CSS
C.
JavaScript
D.
Python
Correct Answer:
Python
Q.
2
Which database is NoSQL?
A.
MySQL
B.
PostgreSQL
C.
MongoDB
D.
Oracle
Correct Answer:
MongoDB
Q.
3
What does CRUD stand for in backend development?
A.
Create, Read, Update, Delete
B.
Code, Run, Upload, Deploy
C.
Connect, Retrieve, Update, Deliver
D.
Compile, Run, Use, Debug
Correct Answer:
Create, Read, Update, Delete
Q.
4
Which of the following is a backend framework?
A.
React
B.
Angular
C.
Django
D.
Bootstrap
Correct Answer:
Django
Q.
5
Which protocol is used for secure data transmission?
A.
HTTP
B.
FTP
C.
TCP
D.
HTTPS
Correct Answer:
HTTPS
Q.
6
Which SQL command is used to fetch data from a database?
A.
INSERT
B.
DELETE
C.
UPDATE
D.
SELECT
Correct Answer:
SELECT
Q.
7
Which backend language is used with Node.js?
A.
PHP
B.
Python
C.
JavaScript
D.
C++
Correct Answer:
JavaScript
Q.
8
What is the default port for MySQL?
A.
3306
B.
5432
C.
8080
D.
1521
Correct Answer:
3306
Q.
9
Which of the following is a backend programming language?
A.
HTML
B.
CSS
C.
PHP
D.
Bootstrap
Correct Answer:
PHP
Q.
10
Which API architecture is commonly used in backend development?
A.
GraphQL
B.
CSS
C.
HTML
D.
React
Correct Answer:
GraphQL
Q.
11
What does REST stand for?
A.
Representational State Transfer
B.
Remote Execution System Transfer
C.
Reliable Secure Transmission
D.
Random Execution of Server Tasks
Correct Answer:
Representational State Transfer
Q.
12
Which database management system is relational?
A.
MongoDB
B.
Redis
C.
MySQL
D.
Cassandra
Correct Answer:
MySQL
Q.
13
Which of the following is an example of a backend service?
A.
HTML
B.
CSS
C.
Database
D.
React
Correct Answer:
Database
Q.
14
Which command is used to install Node.js packages?
A.
install-node
B.
node install
C.
npm install
D.
add-node
Correct Answer:
npm install
Q.
15
Which server-side scripting language is widely used for web applications?
A.
JavaScript
B.
CSS
C.
PHP
D.
HTML
Correct Answer:
PHP
Q.
16
Which backend language is best for machine learning and AI?
A.
Java
B.
Python
C.
PHP
D.
C#
Correct Answer:
Python
Q.
17
What does JWT stand for?
A.
Java Web Token
B.
JavaScript Widget Token
C.
JSON Web Token
D.
Joomla Web Toolkit
Correct Answer:
JSON Web Token
Q.
18
Which of the following is used for authentication in web applications?
A.
OAuth
B.
DNS
C.
HTML
D.
CSS
Correct Answer:
OAuth
Q.
19
Which tool is used for managing database migrations?
A.
Nginx
B.
Sequelize
C.
CSS
D.
Bootstrap
Correct Answer:
Sequelize
Q.
20
Which command is used to start a Node.js server?
A.
node app.js
B.
start node
C.
run server
D.
server.js
Correct Answer:
node app.js
Q.
21
Which protocol is used to transfer files over the internet?
A.
HTTP
B.
FTP
C.
DNS
D.
SSH
Correct Answer:
FTP
Q.
22
Which caching system is commonly used in backend development?
A.
Redis
B.
React
C.
Bootstrap
D.
CSS
Correct Answer:
Redis
Q.
23
Which of the following is a backend storage solution?
A.
CSS
B.
Local Storage
C.
SQL Database
D.
Flexbox
Correct Answer:
SQL Database
Q.
24
Which of these is a microservices framework for backend development?
A.
Spring Boot
B.
Vue.js
C.
Bootstrap
D.
jQuery
Correct Answer:
Spring Boot
Q.
25
What does ORM stand for in backend development?
A.
Object Relational Mapping
B.
Online Resource Management
C.
Open Router Module
D.
Object Response Method
Correct Answer:
Object Relational Mapping
Q.
26
Which backend language is most commonly used with Laravel?
A.
Python
B.
Java
C.
PHP
D.
C#
Correct Answer:
PHP
Q.
27
Which of the following is a backend JavaScript runtime environment?
A.
Angular
B.
Node.js
C.
React
D.
Vue.js
Correct Answer:
Node.js
Q.
28
Which of these is NOT a relational database?
A.
MySQL
B.
PostgreSQL
C.
MongoDB
D.
Oracle
Correct Answer:
MongoDB
Q.
29
Which SQL statement is used to modify existing records?
A.
INSERT
B.
UPDATE
C.
DELETE
D.
ALTER
Correct Answer:
UPDATE
Q.
30
What is the purpose of the `.env` file in backend development?
A.
Storing CSS files
B.
Managing database credentials
C.
Rendering HTML
D.
Handling front-end scripts
Correct Answer:
Managing database credentials
Q.
31
Which of these is a popular PHP framework for backend development?
A.
Django
B.
Laravel
C.
Spring
D.
Express
Correct Answer:
Laravel
Q.
32
What does API stand for?
A.
Application Programming Interface
B.
Automated Process Integration
C.
Advanced Programming Infrastructure
D.
Applied Processing Information
Correct Answer:
Application Programming Interface
Q.
33
Which is a commonly used HTTP status code for a successful request?
A.
200
B.
404
C.
500
D.
403
Correct Answer:
200
Q.
34
Which of these is an open-source relational database?
A.
MongoDB
B.
PostgreSQL
C.
Redis
D.
Firebase
Correct Answer:
PostgreSQL
Q.
35
What is the main purpose of a backend server?
A.
Designing UI
B.
Handling data processing
C.
Styling web pages
D.
Creating animations
Correct Answer:
Handling data processing
Q.
36
Which of these is a widely used backend caching system?
A.
React
B.
Bootstrap
C.
Redis
D.
jQuery
Correct Answer:
Redis
Q.
37
Which of the following is used for encryption in backend applications?
A.
SSL/TLS
B.
HTML
C.
CSS
D.
Bootstrap
Correct Answer:
SSL/TLS
Q.
38
Which backend framework is used for Python web development?
A.
React
B.
Django
C.
Angular
D.
Vue.js
Correct Answer:
Django
Q.
39
What is the default port for PostgreSQL?
A.
3306
B.
5432
C.
8080
D.
1521
Correct Answer:
5432
Q.
40
Which backend tool is used to manage and deploy containerized applications?
A.
Git
B.
Docker
C.
Webpack
D.
npm
Correct Answer:
Docker
Q.
41
Which of the following is an example of a NoSQL database?
A.
PostgreSQL
B.
MongoDB
C.
MySQL
D.
Oracle
Correct Answer:
MongoDB
Q.
42
Which framework is commonly used with Node.js for backend development?
A.
Django
B.
Express.js
C.
Laravel
D.
Spring Boot
Correct Answer:
Express.js
Q.
43
Which command is used to start a Python Flask application?
A.
flask run
B.
python start
C.
start flask
D.
python manage.py runserver
Correct Answer:
flask run
Q.
44
What does MVC stand for in backend architecture?
A.
Model View Controller
B.
Modern Virtual Code
C.
Multi View Compilation
D.
Model Version Control
Correct Answer:
Model View Controller
Q.
45
Which cloud service is widely used for backend hosting?
A.
AWS
B.
Photoshop
C.
Figma
D.
Premiere Pro
Correct Answer:
AWS
Q.
46
Which of these backend frameworks is written in Java?
A.
Express
B.
Django
C.
Spring Boot
D.
Flask
Correct Answer:
Spring Boot
Q.
47
Which SQL command is used to remove a database?
A.
DROP
B.
DELETE
C.
REMOVE
D.
ERASE
Correct Answer:
DROP
Q.
48
What does middleware do in backend development?
A.
Manages front-end styling
B.
Handles server-side logic between requests and responses
C.
Formats text for HTML
D.
Creates animations
Correct Answer:
Handles server-side logic between requests and responses
Q.
49
Which of these is NOT an HTTP method?
A.
GET
B.
POST
C.
FETCH
D.
DELETE
Correct Answer:
FETCH
Q.
50
Which of these is an authentication method used in APIs?
A.
OAuth
B.
FTP
C.
DNS
D.
TCP
Correct Answer:
OAuth
Q.
51
Which language is commonly used for backend scripting?
A.
HTML
B.
CSS
C.
JavaScript
D.
Python
Correct Answer:
Python
Q.
52
Which database is best for handling large-scale applications?
A.
SQLite
B.
MongoDB
C.
Excel
D.
Notepad
Correct Answer:
MongoDB
Q.
53
Which of the following is a popular backend framework for JavaScript?
A.
React
B.
Vue.js
C.
Express.js
D.
Bootstrap
Correct Answer:
Express.js
Q.
54
Which of these is used for backend authentication?
A.
OAuth
B.
CSS Grid
C.
Bootstrap
D.
Tailwind
Correct Answer:
OAuth
Q.
55
What does ORM stand for in backend development?
A.
Object Relational Mapping
B.
Online Resource Management
C.
Official Repository Model
D.
Optimized Relational Model
Correct Answer:
Object Relational Mapping
Q.
56
Which backend database is best suited for handling unstructured data?
A.
MySQL
B.
PostgreSQL
C.
MongoDB
D.
SQLite
Correct Answer:
MongoDB
Q.
57
What is the primary function of a RESTful API?
A.
Creating UI elements
B.
Interacting with databases
C.
Serving web pages
D.
Managing server logs
Correct Answer:
Interacting with databases
Q.
58
Which HTTP status code indicates an unauthorized request?
A.
200
B.
403
C.
500
D.
404
Correct Answer:
403
Q.
59
Which of the following is NOT a backend programming language?
A.
Python
B.
Java
C.
C#
D.
HTML
Correct Answer:
HTML
Q.
60
What is the default port for MySQL?
A.
3306
B.
5432
C.
8080
D.
1521
Correct Answer:
3306
Q.
61
Which backend technology is used for real-time applications?
A.
PHP
B.
Node.js
C.
CSS
D.
Bootstrap
Correct Answer:
Node.js
Q.
62
Which command is used to install dependencies in Node.js?
A.
npm install
B.
node install
C.
install package
D.
node setup
Correct Answer:
npm install
Q.
63
Which method is used to hash passwords in PHP?
A.
md5()
B.
password_hash()
C.
base64_encode()
D.
crypt()
Correct Answer:
password_hash()
Q.
64
Which is NOT a type of database?
A.
Relational
B.
NoSQL
C.
JSON
D.
Graph
Correct Answer:
JSON
Q.
65
Which backend framework is used for Ruby?
A.
Django
B.
Spring Boot
C.
Ruby on Rails
D.
Flask
Correct Answer:
Ruby on Rails
Q.
66
What is the role of a backend developer?
A.
Creating UI/UX
B.
Managing database and server logic
C.
Designing logos
D.
Writing CSS animations
Correct Answer:
Managing database and server logic
Q.
67
Which is the primary function of a cache system in backend development?
A.
Store user credentials
B.
Improve performance by reducing database queries
C.
Create HTML pages
D.
Format JavaScript
Correct Answer:
Improve performance by reducing database queries
Q.
68
Which of these protocols is used for secure data transfer?
A.
HTTP
B.
FTP
C.
HTTPS
D.
POP3
Correct Answer:
HTTPS
Q.
69
What is the main difference between REST and SOAP APIs?
A.
REST uses JSON while SOAP uses XML
B.
SOAP is faster than REST
C.
SOAP cannot be used with PHP
D.
REST does not use HTTP
Correct Answer:
REST uses JSON while SOAP uses XML
Q.
70
Which of these is NOT a database management system?
A.
MySQL
B.
MongoDB
C.
Apache
D.
PostgreSQL
Correct Answer:
Apache
Q.
71
Which tool is commonly used for database version control?
A.
Git
B.
Docker
C.
Flyway
D.
npm
Correct Answer:
Flyway
Q.
72
Which is a NoSQL database?
A.
MySQL
B.
MongoDB
C.
PostgreSQL
D.
SQLite
Correct Answer:
MongoDB
Q.
73
Which of these is NOT an API architecture?
A.
REST
B.
SOAP
C.
GraphQL
D.
CSS
Correct Answer:
CSS
Q.
74
Which of these is an example of a microservices architecture?
A.
Monolithic application
B.
Distributed system
C.
Serverless hosting
D.
VPN
Correct Answer:
Distributed system
Q.
75
Which SQL query is used to remove all records from a table but keep the structure?
A.
DELETE
B.
DROP
C.
TRUNCATE
D.
CLEAR
Correct Answer:
TRUNCATE
Q.
76
Which backend language is best for AI development?
A.
PHP
B.
JavaScript
C.
Python
D.
HTML
Correct Answer:
Python
Q.
77
Which backend framework is used with the ASP.NET ecosystem?
A.
Laravel
B.
Django
C.
Spring Boot
D.
Entity Framework
Correct Answer:
Entity Framework
Q.
78
What does JWT stand for?
A.
Java Web Technology
B.
JSON Web Token
C.
Joint Web Transfer
D.
JavaScript Web Template
Correct Answer:
JSON Web Token
Q.
79
Which protocol is used for email sending in backend applications?
A.
SMTP
B.
HTTP
C.
FTP
D.
SSL
Correct Answer:
SMTP
Q.
80
Which tool is used for running containerized backend applications?
A.
Git
B.
Docker
C.
Webpack
D.
Redis
Correct Answer:
Docker
Q.
81
Which language is NOT commonly used for backend development?
A.
Python
B.
Java
C.
CSS
D.
PHP
Correct Answer:
CSS
Q.
82
Which database is an example of a NoSQL database?
A.
MySQL
B.
PostgreSQL
C.
MongoDB
D.
SQLite
Correct Answer:
MongoDB
Q.
83
Which HTTP method is used to update existing data in a REST API?
A.
GET
B.
POST
C.
PUT
D.
DELETE
Correct Answer:
PUT
Q.
84
What does CRUD stand for in backend development?
A.
Create, Read, Update, Delete
B.
Compute, Render, Upload, Download
C.
Cache, Retrieve, Upload, Deploy
D.
Compile, Run, Update, Debug
Correct Answer:
Create, Read, Update, Delete
Q.
85
Which of these is a backend web framework for Python?
A.
Angular
B.
React
C.
Flask
D.
Vue.js
Correct Answer:
Flask
Q.
86
Which backend framework is used for Node.js?
A.
Django
B.
Express.js
C.
Laravel
D.
Spring Boot
Correct Answer:
Express.js
Q.
87
What is the primary purpose of a database index?
A.
Increase storage capacity
B.
Optimize query performance
C.
Improve security
D.
Reduce database size
Correct Answer:
Optimize query performance
Q.
88
Which HTTP status code represents 'Resource Not Found'?
A.
200
B.
401
C.
404
D.
500
Correct Answer:
404
Q.
89
Which of these is NOT a backend technology?
A.
Redis
B.
Django
C.
Bootstrap
D.
Flask
Correct Answer:
Bootstrap
Q.
90
Which programming language is mainly used with Laravel?
A.
Java
B.
Python
C.
PHP
D.
Ruby
Correct Answer:
PHP
Q.
91
Which of these is a database migration tool?
A.
Git
B.
Flyway
C.
Webpack
D.
Babel
Correct Answer:
Flyway
Q.
92
Which SQL command is used to add new data to a table?
A.
SELECT
B.
INSERT
C.
UPDATE
D.
DELETE
Correct Answer:
INSERT
Q.
93
What is the main purpose of a reverse proxy?
A.
Serve frontend pages
B.
Manage database transactions
C.
Distribute network traffic
D.
Write API endpoints
Correct Answer:
Distribute network traffic
Q.
94
Which of these is NOT a database query language?
A.
SQL
B.
GraphQL
C.
NoSQL
D.
REST
Correct Answer:
REST
Q.
95
Which cloud service is commonly used for backend hosting?
A.
AWS Lambda
B.
React
C.
Bootstrap
D.
Figma
Correct Answer:
AWS Lambda
Q.
96
Which of the following is an example of a relational database?
A.
MongoDB
B.
Cassandra
C.
MySQL
D.
DynamoDB
Correct Answer:
MySQL
Q.
97
What does MVC stand for in backend development?
A.
Model View Controller
B.
Modern Visual Code
C.
Multiple View Components
D.
MySQL Version Control
Correct Answer:
Model View Controller
Q.
98
Which of these is a NoSQL database?
A.
PostgreSQL
B.
Oracle
C.
Redis
D.
MariaDB
Correct Answer:
Redis
Q.
99
Which data format is commonly used for API responses?
A.
CSV
B.
XML
C.
JSON
D.
YAML
Correct Answer:
JSON
Q.
100
Which command is used to create a virtual environment in Python?
A.
python -m venv
B.
npm init
C.
composer create
D.
dotnet new
Correct Answer:
python -m venv
Q.
101
Which API authentication method uses tokens for security?
A.
OAuth
B.
HTTP
C.
FTP
D.
SMTP
Correct Answer:
OAuth
Q.
102
What is the role of middleware in backend applications?
A.
Enhance security
B.
Process requests and responses
C.
Handle UI components
D.
Compress images
Correct Answer:
Process requests and responses
Q.
103
Which backend language is used in Android development?
A.
Swift
B.
Kotlin
C.
Java
D.
Dart
Correct Answer:
Java
Q.
104
Which command is used to install packages in Python?
A.
pip install
B.
npm install
C.
composer require
D.
yarn add
Correct Answer:
pip install
Q.
105
Which technology is used to manage user sessions in a web application?
A.
Cookies
B.
HTML
C.
CSS
D.
XML
Correct Answer:
Cookies
Q.
106
What does the term 'stateless' mean in RESTful APIs?
A.
The server does not store client session data
B.
The API has no database
C.
Only GET requests are allowed
D.
The API is offline
Correct Answer:
The server does not store client session data
Q.
107
Which is the primary function of Docker?
A.
Frontend development
B.
Database management
C.
Containerization
D.
API testing
Correct Answer:
Containerization
Q.
108
What does 'ACID' stand for in databases?
A.
Atomicity, Consistency, Isolation, Durability
B.
Access, Control, Index, Data
C.
Automated, Cached, Indexed, Distributed
D.
Application, Configuration, Implementation, Deployment
Correct Answer:
Atomicity, Consistency, Isolation, Durability
Q.
109
Which tool is used for API testing?
A.
Postman
B.
Figma
C.
Photoshop
D.
WordPress
Correct Answer:
Postman
Q.
110
Which of the following is NOT an HTTP request method?
A.
PATCH
B.
GET
C.
CONNECT
D.
FETCH
Correct Answer:
FETCH
Q.
111
Which of the following is NOT a backend framework?
A.
Django
B.
Spring Boot
C.
React
D.
Express.js
Correct Answer:
React
Q.
112
What does API stand for?
A.
Application Programming Interface
B.
Advanced Processing Integration
C.
Automated Program Interaction
D.
Application Processing Interface
Correct Answer:
Application Programming Interface
Q.
113
Which database is widely used in backend development?
A.
Illustrator
B.
MySQL
C.
Photoshop
D.
Figma
Correct Answer:
MySQL
Q.
114
Which of these is an example of a RESTful API?
A.
Google Maps API
B.
Figma
C.
React.js
D.
Adobe Premiere
Correct Answer:
Google Maps API
Q.
115
Which command is used to start a Node.js server?
A.
npm start
B.
node server.js
C.
run server
D.
start node
Correct Answer:
node server.js
Q.
116
Which backend framework is used for PHP?
A.
Laravel
B.
Django
C.
Express.js
D.
Spring Boot
Correct Answer:
Laravel
Q.
117
What is the purpose of JWT in backend development?
A.
User authentication
B.
Database backup
C.
Server monitoring
D.
UI Design
Correct Answer:
User authentication
Q.
118
Which command is used to start a Python Flask application?
A.
flask run
B.
start flask
C.
python run
D.
python start
Correct Answer:
flask run
Q.
119
Which is NOT a relational database?
A.
MySQL
B.
PostgreSQL
C.
MongoDB
D.
SQLite
Correct Answer:
MongoDB
Q.
120
What does ORM stand for?
A.
Object Relational Mapping
B.
Online Resource Management
C.
Object Rendering Mechanism
D.
Optimized Request Management
Correct Answer:
Object Relational Mapping
Q.
121
Which HTTP status code means 'Internal Server Error'?
A.
200
B.
201
C.
400
D.
500
Correct Answer:
500
Q.
122
Which of these is a backend task?
A.
Handling API requests
B.
Designing website layouts
C.
Creating animations
D.
Styling web pages
Correct Answer:
Handling API requests
Q.
123
What does SQL stand for?
A.
Structured Query Language
B.
Sequential Query Logic
C.
System Query Language
D.
Server Query Loader
Correct Answer:
Structured Query Language
Q.
124
Which of these is NOT an HTTP response code?
A.
200
B.
404
C.
701
D.
500
Correct Answer:
701
Q.
125
Which tool is used for debugging in backend development?
A.
Chrome DevTools
B.
Postman
C.
Photoshop
D.
Illustrator
Correct Answer:
Postman
Q.
126
Which protocol is used for secure communication over the web?
A.
HTTP
B.
FTP
C.
SMTP
D.
HTTPS
Correct Answer:
HTTPS
Q.
127
What is the purpose of a database schema?
A.
To define database structure
B.
To speed up queries
C.
To design frontend UI
D.
To write APIs
Correct Answer:
To define database structure
Q.
128
Which backend framework is written in Java?
A.
Django
B.
Flask
C.
Spring Boot
D.
Express.js
Correct Answer:
Spring Boot
Q.
129
Which of these is an advantage of server-side rendering (SSR)?
A.
Faster initial page load
B.
Better animations
C.
Improved color themes
D.
Increased file size
Correct Answer:
Faster initial page load
Q.
130
Which type of database is Firestore?
A.
Relational
B.
Document-based NoSQL
C.
Graph
D.
Key-Value Store
Correct Answer:
Document-based NoSQL
Q.
131
Which service is used to deploy Node.js applications?
A.
AWS Lambda
B.
React
C.
Bootstrap
D.
Photoshop
Correct Answer:
AWS Lambda
Q.
132
Which of these is NOT a backend service?
A.
Google Cloud Functions
B.
Firebase
C.
MySQL
D.
Figma
Correct Answer:
Figma
Q.
133
What is the main purpose of a caching mechanism?
A.
Improve performance by storing frequent data
B.
Increase database size
C.
Reduce security risks
D.
Speed up HTML rendering
Correct Answer:
Improve performance by storing frequent data
Q.
134
What is the default port for PostgreSQL?
A.
3306
B.
1433
C.
5432
D.
1521
Correct Answer:
5432
Q.
135
Which of the following is NOT a backend programming language?
A.
Python
B.
Java
C.
JavaScript
D.
HTML
Correct Answer:
HTML
Q.
136
Which backend framework is associated with Python?
A.
Laravel
B.
Django
C.
Spring Boot
D.
Express.js
Correct Answer:
Django
Q.
137
What is the primary use of Node.js in backend development?
A.
Designing UI
B.
Creating REST APIs
C.
Making animations
D.
Editing photos
Correct Answer:
Creating REST APIs
Q.
138
Which SQL statement is used to fetch data from a database?
A.
SELECT
B.
INSERT
C.
UPDATE
D.
DELETE
Correct Answer:
SELECT
Q.
139
Which method is used to encrypt passwords in backend applications?
A.
SHA-256
B.
JPEG
C.
MP4
D.
CSS
Correct Answer:
SHA-256
Q.
140
What is the default port number for MySQL?
A.
3306
B.
5432
C.
8080
D.
1521
Correct Answer:
3306
Q.
141
Which HTTP method is used to update existing data in a database?
A.
GET
B.
POST
C.
PUT
D.
DELETE
Correct Answer:
PUT
Q.
142
Which of the following is a NoSQL database?
A.
MySQL
B.
MongoDB
C.
PostgreSQL
D.
SQL Server
Correct Answer:
MongoDB
Q.
143
Which of the following is NOT a backend role?
A.
Database Administrator
B.
Backend Developer
C.
API Developer
D.
UI Designer
Correct Answer:
UI Designer
Q.
144
What is the purpose of a middleware in Express.js?
A.
Handle API requests
B.
Authenticate users
C.
Modify request and response
D.
Design UI
Correct Answer:
Modify request and response
Q.
145
Which backend language is commonly used with the Spring Boot framework?
A.
Java
B.
Python
C.
PHP
D.
C++
Correct Answer:
Java
Q.
146
Which data format is commonly used in RESTful APIs?
A.
JSON
B.
XML
C.
CSV
D.
Excel
Correct Answer:
JSON
Q.
147
Which database operation is used to remove data?
A.
INSERT
B.
DELETE
C.
UPDATE
D.
SELECT
Correct Answer:
DELETE
Q.
148
Which of the following is a caching technology?
A.
Redis
B.
Photoshop
C.
Illustrator
D.
Figma
Correct Answer:
Redis
Q.
149
Which tool is commonly used for API testing?
A.
Photoshop
B.
Postman
C.
Figma
D.
Premiere Pro
Correct Answer:
Postman
Q.
150
Which database does Firebase use?
A.
SQL
B.
MongoDB
C.
Cloud Firestore
D.
Oracle
Correct Answer:
Cloud Firestore
Q.
151
Which command is used to install Express.js in a Node.js project?
A.
npm install express
B.
node install express
C.
install express
D.
start express
Correct Answer:
npm install express
Q.
152
What is the role of a backend developer?
A.
Creating UI designs
B.
Managing databases and APIs
C.
Editing images
D.
Building animations
Correct Answer:
Managing databases and APIs
Q.
153
Which of these is an example of a backend as a service (BaaS)?
A.
Firebase
B.
React
C.
Bootstrap
D.
Illustrator
Correct Answer:
Firebase
Q.
154
Which HTTP method is used to retrieve data from a server?
A.
POST
B.
DELETE
C.
GET
D.
PUT
Correct Answer:
GET
Q.
155
Which type of database is PostgreSQL?
A.
Relational
B.
NoSQL
C.
Graph
D.
Key-Value Store
Correct Answer:
Relational
Q.
156
Which command is used to create a new database in MySQL?
A.
CREATE DATABASE
B.
NEW DATABASE
C.
INIT DATABASE
D.
SET DATABASE
Correct Answer:
CREATE DATABASE
Q.
157
Which of the following is NOT a backend security measure?
A.
Using HTTPS
B.
Encrypting passwords
C.
Validating user input
D.
Adding animations
Correct Answer:
Adding animations
Q.
158
What does REST stand for?
A.
Representational State Transfer
B.
Remote Execution System Transfer
C.
Relational Service Transfer
D.
Resource Execution and Storage Transfer
Correct Answer:
Representational State Transfer
Q.
159
Which of the following is NOT a feature of NoSQL databases?
A.
Schema-less design
B.
Horizontal scalability
C.
Strict relationships
D.
Flexible data models
Correct Answer:
Strict relationships
Q.
160
Which of the following is used for backend authentication?
A.
JWT
B.
CSS
C.
Bootstrap
D.
Photoshop
Correct Answer:
JWT
Q.
161
Which language is commonly used with Laravel?
A.
Java
B.
Python
C.
PHP
D.
C#
Correct Answer:
PHP
Q.
162
What is a microservice architecture?
A.
A type of database
B.
A way to build small-scale applications
C.
A design pattern that structures an application as a collection of small services
D.
A UI framework
Correct Answer:
A design pattern that structures an application as a collection of small services
Q.
163
Which command is used to start a MySQL server?
A.
mysql start
B.
service mysql start
C.
run mysql
D.
start database
Correct Answer:
service mysql start
Q.
164
Which of the following is a backend technology?
A.
React
B.
Django
C.
Bootstrap
D.
Tailwind
Correct Answer:
Django
Q.
165
What is the purpose of an API in backend development?
A.
To style webpages
B.
To connect frontend and backend
C.
To create animations
D.
To store files
Correct Answer:
To connect frontend and backend
Q.
166
Which of the following is a backend database?
A.
MongoDB
B.
CSS
C.
React
D.
Photoshop
Correct Answer:
MongoDB
Q.
167
Which backend technology is used with the .NET framework?
A.
Node.js
B.
PHP
C.
C#
D.
Python
Correct Answer:
C#
Q.
168
Which of the following is NOT a backend framework?
A.
Express.js
B.
Flask
C.
Vue.js
D.
Django
Correct Answer:
Vue.js
Q.
169
What does ORM stand for in backend development?
A.
Object Relational Mapping
B.
Online Resource Manager
C.
Optimal Response Model
D.
Organized Routing Module
Correct Answer:
Object Relational Mapping
Q.
170
Which protocol is commonly used for secure backend communication?
A.
FTP
B.
HTTP
C.
HTTPS
D.
SMTP
Correct Answer:
HTTPS
Q.
171
Which of the following is a backend scripting language?
A.
HTML
B.
CSS
C.
JavaScript
D.
PHP
Correct Answer:
PHP
Q.
172
Which backend technology is known for event-driven architecture?
A.
Java
B.
Node.js
C.
C++
D.
Python
Correct Answer:
Node.js
Q.
173
Which caching tool is widely used in backend development?
A.
Memcached
B.
Illustrator
C.
Bootstrap
D.
Figma
Correct Answer:
Memcached
Q.
174
What is a middleware function in Express.js?
A.
A function that handles errors
B.
A function that modifies requests and responses
C.
A function that creates UI components
D.
A function that encrypts passwords
Correct Answer:
A function that modifies requests and responses
Q.
175
Which of the following is a commonly used HTTP status code for 'Resource Not Found'?
A.
200
B.
404
C.
500
D.
302
Correct Answer:
404
Q.
176
Which backend framework is built for Ruby?
A.
Express.js
B.
Spring Boot
C.
Flask
D.
Ruby on Rails
Correct Answer:
Ruby on Rails
Q.
177
What is the main function of JWT (JSON Web Token)?
A.
Frontend design
B.
User authentication
C.
Database storage
D.
Data analysis
Correct Answer:
User authentication
Q.
178
Which command is used to create a new table in MySQL?
A.
NEW TABLE
B.
MAKE TABLE
C.
CREATE TABLE
D.
INIT TABLE
Correct Answer:
CREATE TABLE
Q.
179
Which backend tool is used to manage server logs?
A.
Logstash
B.
Bootstrap
C.
Postman
D.
Figma
Correct Answer:
Logstash
Q.
180
What is the primary function of a backend server?
A.
To manage databases and APIs
B.
To create animations
C.
To design websites
D.
To edit videos
Correct Answer:
To manage databases and APIs
Q.
181
Which of the following is NOT a relational database?
A.
MySQL
B.
PostgreSQL
C.
SQLite
D.
MongoDB
Correct Answer:
MongoDB
Q.
182
Which HTTP status code indicates a successful request?
A.
200
B.
403
C.
500
D.
404
Correct Answer:
200
Q.
183
Which of the following is NOT a backend storage type?
A.
Cloud Storage
B.
SQL Database
C.
CSS Stylesheet
D.
NoSQL Database
Correct Answer:
CSS Stylesheet
Q.
184
Which language is commonly used for writing backend unit tests?
A.
HTML
B.
Python
C.
JavaScript
D.
JUnit
Correct Answer:
JUnit
Q.
185
Which of the following is a benefit of using GraphQL over REST APIs?
A.
Strict data structure
B.
Over-fetching data
C.
Flexible querying
D.
Limited response format
Correct Answer:
Flexible querying
Q.
186
What is the purpose of Redis in backend applications?
A.
Storing temporary data
B.
Creating UI designs
C.
Building animations
D.
Running machine learning models
Correct Answer:
Storing temporary data
Q.
187
Which of the following is NOT a backend role?
A.
Database Administrator
B.
Frontend Developer
C.
Backend Developer
D.
API Developer
Correct Answer:
Frontend Developer
Q.
188
Which of these is a cloud-based backend service?
A.
AWS Lambda
B.
Bootstrap
C.
React
D.
Illustrator
Correct Answer:
AWS Lambda
Q.
189
What is the role of a database index?
A.
To speed up data retrieval
B.
To store passwords securely
C.
To encrypt data
D.
To create animations
Correct Answer:
To speed up data retrieval
Q.
190
Which of the following is NOT an HTTP method?
A.
GET
B.
POST
C.
FETCH
D.
DELETE
Correct Answer:
FETCH
Q.
191
Which backend service is offered by Google Cloud?
A.
Firebase
B.
Bootstrap
C.
React Native
D.
Figma
Correct Answer:
Firebase
Q.
192
Which of the following is a backend testing framework?
A.
Selenium
B.
JUnit
C.
React
D.
Figma
Correct Answer:
JUnit
Q.
193
Which of the following is a backend security vulnerability?
A.
SQL Injection
B.
CSS Animation
C.
Border-radius property
D.
Flexbox
Correct Answer:
SQL Injection
Q.
194
Which programming language is commonly used with Spring Boot?
A.
Python
B.
Java
C.
JavaScript
D.
C++
Correct Answer:
Java
Q.
195
Which backend tool is used for process management?
A.
PM2
B.
Bootstrap
C.
Figma
D.
Photoshop
Correct Answer:
PM2
Q.
196
Which of the following is a backend authentication method?
A.
JWT
B.
CSS
C.
Bootstrap
D.
Google Fonts
Correct Answer:
JWT
Q.
197
Which of the following is NOT a cloud computing service?
A.
Amazon S3
B.
Google Drive
C.
Azure Blob Storage
D.
React
Correct Answer:
React
Q.
198
Which language is commonly used for backend scripting in Linux servers?
A.
Python
B.
HTML
C.
CSS
D.
Figma
Correct Answer:
Python
Q.
199
What is the primary purpose of a database index?
A.
To store data in an encrypted format
B.
To speed up data retrieval
C.
To create relationships between tables
D.
To enforce data integrity
Correct Answer:
To speed up data retrieval
Q.
200
Which of the following is NOT a NoSQL database?
A.
MongoDB
B.
Redis
C.
PostgreSQL
D.
Cassandra
Correct Answer:
PostgreSQL
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