Free Basics of Back End Development Questions and Answers — Questions and Answers
Question 1: What function does a backend provide in web development?
- To handle SEO optimization
- To handle front-end development
- To handle client-side logic and interface design
- To handle server-side logic and database management (Correct answer)
Correct answer: To handle server-side logic and database management
Explanation: <br> The purpose of the backend in web development is to handle server-side logic and database management.
Question 2: What are the most popular programming languages for backend development?
- HTML, CSS, and JavaScript
- Java, Python, and Ruby (Correct answer)
- C++, C#, and Objective-C
- Perl, PHP, and SQL
Correct answer: Java, Python, and Ruby
Java, Python, and Ruby are all widely used server-side languages for backend development. HTML/CSS/JavaScript are primarily front-end technologies, and the other groupings mix in client-side, systems, or non-mainstream-backend languages, so they don't fit as the most popular backend set.
Question 3: An API is what?
- A programming language for building web applications
- A database management software
- A set of rules and protocols for building software applications (Correct answer)
- A framework for frontend development
Correct answer: A set of rules and protocols for building software applications
Explanation: <br> An API (Application Programming Interface) is a set of rules, protocols, and tools for building software applications. It defines how software components should interact and allows applications to communicate with one another.
Question 4: Describe a server.
- A programming language for backend development
- A database management system
- A computer or program that provides services to other computers or programs (Correct answer)
- A client-side computer
Correct answer: A computer or program that provides services to other computers or programs
Explanation: <br> A server is a computer or program that provides services to other computers or programs. In web development, a server refers to a computer or program responsible for serving web pages or applications to clients over the internet or a network.
Question 5: Describe a database.
- A structured collection of data (Correct answer)
- A server for database management
- A programming language for database management
- A set of programming rules for database management
Correct answer: A structured collection of data
Explanation: <br> A database is a structured collection of data organized in a way that allows it to be easily managed, accessed, and updated. A database typically consists of one or more tables, each containing columns (fields) and rows (records).
Question 6: Describe SQL
- A programming language for frontend development
- A programming language for managing and querying databases (Correct answer)
- A server for managing and querying databases
- A set of rules for managing databases
Correct answer: A programming language for managing and querying databases
Explanation: <br> SQL (Structured Query Language) is a programming language for managing and querying relational databases. SQL is a standard language used by many relational database management systems (RDBMS), including MySQL, Oracle, Microsoft SQL Server, and PostgreSQL.
Question 7: What is rendering on a server?
- The process of generating HTML on the client and sending it to the server
- The process of generating HTML on the server and sending it to the client (Correct answer)
- The process of generating JavaScript on the server and sending it to the client
- The process of generating CSS on the server and sending it to the client
Correct answer: The process of generating HTML on the server and sending it to the client
Explanation: <br> Server-side rendering (SSR) is the process of generating HTML on the server and sending it to the client rather than relying on client-side JavaScript to render content dynamically in the browser.
What function does a backend provide in web development?