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Guide for Mern Stack Interview Questions

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Quiz

1/10
Best practices and coding conventions
Which of the following is a best practice for coding conventions in MERN stack development in India?
Select the answer
1 correct answer
A.
Using camel case for variable and function names
B.
Using snake case for variable and function names
C.
Using kebab case for variable and function names
D.
Using Pascal case for variable and function names

Quiz

2/10
Deployment and scaling
What is the purpose of using load balancers in the deployment and scaling process?
Select the answer
1 correct answer
A.
To evenly distribute incoming network traffic across multiple servers.
B.
To provide secure communication between client and server.
C.
To automatically scale resources based on demand.
D.
To monitor the performance of deployed applications.

Quiz

3/10
Express.js
Which of the following is true about middleware in Express.js?
Select the answer
1 correct answer
A.
It is used for creating HTML templates
B.
It is used for encrypting data sent between the client and server
C.
It is used for parsing and modifying incoming HTTP requests
D.
It is used for styling web pages with CSS

Quiz

4/10
General MERN Stack
What is MERN Stack?
Select the answer
1 correct answer
A.
A stack of rocks found in the mountains of India
B.
A combination of technologies used to develop web applications, including MongoDB, Express.js, React.js, and Node.js
C.
A popular dish in Indian cuisine made with lentils and spices
D.
A type of traditional dance performed in India

Quiz

5/10
MongoDB
Which of the following data model does MongoDB use?
Select the answer
1 correct answer
A.
Relational data model
B.
Hierarchical data model
C.
Document data model
D.
Object-oriented data model

Quiz

6/10
Node.js
What is Node.js?
Select the answer
1 correct answer
A.
A JavaScript runtime built on Chrome's V8 JavaScript engine
B.
A relational database management system
C.
A front-end framework for building user interfaces
D.
A programming language used for developing mobile applications

Quiz

7/10
React.js
What is React.js?
Select the answer
1 correct answer
A.
A JavaScript library for building user interfaces
B.
A programming language used for backend development
C.
A database management system
D.
A framework for mobile app development

Quiz

8/10
Testing and debugging
What is unit testing?
Select the answer
1 correct answer
A.
Testing each module separately
B.
Testing the entire system as a whole
C.
Testing the user interface only
D.
None of the above

Quiz

9/10
Best practices and coding conventions
Which of the following is a recommended best practice for organizing files and folders in a MERN stack project in India?
Select the answer
1 correct answer
A.
Placing all backend files in a separate "backend" folder
B.
Placing all frontend files in a separate "frontend" folder
C.
Placing all server-related files in a separate "server" folder
D.
Placing all client-related files in a separate "client" folder

Quiz

10/10
Deployment and scaling
Which tool is commonly used for containerization and orchestration in the deployment and scaling process?
Select the answer
1 correct answer
A.
Docker
B.
Kubernetes
C.
Apache Hadoop
D.
Ansible
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Info quiz:

  • Quiz name:Mern Stack Interview Questions
  • Total number of questions:320
  • Number of questions for the test:100
  • Pass score:70%
  • Number of topics:8 Topics
Study topics:Number of questions:
  • Best practices and coding conventions:40 Questions
  • Deployment and scaling:40 Questions
  • Express.js:40 Questions
  • General MERN Stack:40 Questions
  • MongoDB:40 Questions
  • Node.js:40 Questions
  • React.js:40 Questions
  • Testing and debugging:40 Questions

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