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Quizzes > Quizzes for Business > Technology

Full Stack Development Technical Quiz Challenge

Test Your Comprehensive Coding and Development Skills

Difficulty: Moderate
Questions: 20
Learning OutcomesStudy Material

Ready to sharpen your expertise in full stack development? This Full Stack Development Technical Quiz offers a dynamic challenge for both newcomers and seasoned engineers. With 15 interactive multiple-choice questions, you'll explore front-end frameworks, server-side architectures, databases, and deployment pipelines. Compare your performance with other quizzes or dive into the Technical Skills Assessment Quiz for even deeper practice. Every question is fully editable in our intuitive editor, giving educators and learners the freedom to customize and expand.

Easy
Which JavaScript library popularized the virtual DOM concept for efficiently updating the UI?
jQuery
Angular
React
Backbone
React popularized the virtual DOM concept, which maintains an in-memory representation of UI elements to minimize direct DOM manipulations. This approach enables efficient diffing and batch updates to the real DOM.
What is the default HTTP method used to retrieve data in RESTful APIs?
POST
PUT
DELETE
GET
The GET method is used to request data from a resource without modifying it. It's the default HTTP method for retrieving information in RESTful API design.
Which SQL command is used to fetch data from a relational database?
DELETE
INSERT
SELECT
UPDATE
SELECT retrieves data from one or more tables in a relational database. It allows specifying columns, filtering, and sorting to shape the result set.
Which tool is commonly used for containerizing applications in DevOps pipelines?
Ansible
Jenkins
Docker
Kubernetes
Docker is a platform that uses OS-level virtualization to package applications into containers. Containers ensure consistency across environments and are widely used in DevOps pipelines.
In a three-tier architecture, which layer typically handles business logic?
Data Layer
Application Layer
Presentation Layer
Network Layer
The application layer, also known as the business logic layer, contains rules and logic that process data and enforce workflows. It sits between the presentation and data layers in a three-tier architecture.
Medium
Which React Hook allows you to handle side effects like data fetching in functional components?
useState
useEffect
useReducer
useContext
useEffect allows React functional components to perform side effects such as fetching data or subscribing to events. It runs after render and can optionally clean up before the component unmounts or dependencies change.
Which HTTP status code indicates that a resource has been successfully created?
404 Not Found
200 OK
201 Created
204 No Content
HTTP status code 201 indicates that a request has succeeded and resulted in the creation of a new resource. It is commonly returned after successful POST requests that add new data.
Which of the following is an example of a NoSQL database?
MySQL
SQL Server
PostgreSQL
MongoDB
MongoDB is a widely used NoSQL database that stores data in flexible, JSON-like documents. Unlike relational databases, it does not enforce a fixed schema and scales horizontally.
Which state management pattern uses a unidirectional data flow commonly with React?
MVC
MVVM
Flux
MVP
Flux is an application architecture pattern that enforces unidirectional data flow, making state changes predictable. It works by dispatching actions to stores, which then update views accordingly.
Which Git command would you use to merge a feature branch into the main branch?
git merge
git rebase
git commit
git checkout
The git merge command integrates changes from one branch into another by creating a merge commit (unless fast-forwarding). It is commonly used to combine feature branches back into main.
In RESTful API design, which constraint requires each request to contain all information needed for the server to process it?
Layered System
Client-Server
Cacheability
Statelessness
The statelessness constraint in REST requires each request to contain all information necessary for the server to process it, without relying on stored context. This improves scalability and simplifies server design.
Which SQL clause is used to filter records returned by a query?
GROUP BY
HAVING
ORDER BY
WHERE
The WHERE clause filters rows returned by a SQL query based on specified conditions. It is evaluated before GROUP BY and ORDER BY to limit the result set.
Which AWS service is specifically designed for provisioning and managing infrastructure as code?
CodeDeploy
CloudFormation
S3
EC2
AWS CloudFormation enables infrastructure as code by allowing you to define AWS resources in templates. It automates provisioning and updating of environments in a consistent manner.
Which tool would you use to orchestrate multiple Docker containers for local development?
Vagrant
Terraform
Docker Compose
Docker
Docker Compose defines and runs multi-container Docker applications using a YAML file. It simplifies local development by allowing multiple services to be launched with a single command.
In a MERN stack application, which component is responsible for database management?
Express
React
Node.js
MongoDB
In the MERN stack (MongoDB, Express, React, Node.js), MongoDB serves as the NoSQL database that stores application data. It integrates with Node.js through drivers or ODMs like Mongoose.
Hard
Which PostgreSQL index type is optimized for full-text search queries?
GIN
Hash
R-tree
B-tree
PostgreSQL's GIN (Generalized Inverted Index) is optimized for full-text search by indexing tokens and supporting fast text queries. It speeds up search operations on large text fields.
In a microservices architecture, which component acts as a single entry point routing requests to different services?
Message Broker
Load Balancer
Service Mesh
API Gateway
An API Gateway acts as a single entry point that routes client requests to appropriate microservices. It can also handle cross-cutting concerns like authentication, rate limiting, and load balancing.
Which OAuth 2.0 grant type is most suitable for server-to-server authentication without user interaction?
Client Credentials
Resource Owner Password Credentials
Authorization Code
Implicit
The Client Credentials grant is used for server-to-server interactions where no user is involved. It allows the client application to authenticate using its credentials to obtain an access token.
What DevOps practice involves automatically merging and testing code changes in a shared repository multiple times a day?
Continuous Integration
Continuous Deployment
Blue-Green Deployment
Canary Releases
Continuous Integration involves frequently merging code changes into a central repository and automatically building and testing them. This practice detects integration issues early and maintains code quality.
To improve performance of SQL queries involving multiple table joins, which strategy is most effective?
Creating views for every join
Increasing buffer size
Using OR conditions in WHERE
Adding indexes on join columns
Adding indexes on the columns used in JOIN conditions reduces lookup time by allowing the database to quickly match rows across tables. It can significantly improve query execution performance.
0
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Learning Outcomes

  1. Analyse front-end frameworks and libraries for UI development
  2. Evaluate back-end server architectures and RESTful API designs
  3. Master database modelling and query optimization techniques
  4. Identify integration strategies for server, database, and client
  5. Apply deployment workflows and DevOps principles effectively

Cheat Sheet

  1. Understand Front-End Frameworks - Dive into popular frameworks like React, Angular, and Vue.js to see how they help you build interactive user interfaces with less code. These tools let you break your UI into reusable components for a faster development cycle. MDN Frameworks & Libraries
  2. Explore Back-End Architectures - Discover how monolithic and microservices architectures handle requests, scale applications, and organize code. Understanding these patterns will help you choose the right structure for your project's complexity and team size. MDN Monolithic Architecture
  3. Master RESTful API Design - Learn the key principles of REST, such as resource identification, statelessness, and uniform interfaces to build APIs that are easy to understand and extend. Great API design is the backbone of scalable, maintainable back-end systems. Wikipedia: REST
  4. Practice Database Modeling - Get hands-on with designing relational and non-relational schemas that reflect real-world data relationships. A solid data model ensures you can store, retrieve, and update information efficiently as your app grows. Wikipedia: Database Schema
  5. Optimize Database Queries - Boost your app's speed by learning about indexing, query refactoring, and execution plans. Efficient queries keep response times low and improve user experience under heavy load. Wikipedia: Database Index
  6. Understand Integration Strategies - Explore patterns for connecting front-end, back-end, and database layers, ensuring data flows smoothly across your stack. Seamless integration reduces bugs and accelerates feature delivery. Enterprise Integration Patterns
  7. Implement Deployment Workflows - Automate builds, tests, and releases with CI/CD pipelines to deploy new features confidently and frequently. Streamlined deployments minimize downtime and make rollbacks a breeze. Wikipedia: Continuous Integration
  8. Apply DevOps Principles - Embrace infrastructure as code, monitoring, and collaborative workflows to break down silos between development and operations. DevOps practices ramp up your team's efficiency and resilience. Wikipedia: DevOps
  9. Explore Mobile App Frameworks - Investigate cross-platform solutions like Ionic to build iOS and Android apps using web technologies you already know. It's a great way to expand your skill set without learning a whole new language. Wikipedia: Ionic Framework
  10. Stay Updated with Emerging Technologies - Keep an eye on cutting-edge tools like Million.js that aim to supercharge web performance. Staying curious ensures you can pick up new tricks and stay ahead in the fast-moving world of development. Million.js Paper
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