73 interview questions on General knowledge for developers for developers (2025)

Hard

5 votes571 runs0 comment

In 2016, Linkedin had a large data breach and leaked 168 millions of users data including hashed password. What was the protections of those password ?

IT Architect

hashing

security

Dragon parfaitat Sep 19, 2022

Easy

4 votes486 runs0 comment

What is the most used back-end language for websites?

IT Architect

back-end

language

Vincent Cotroat Feb 10, 2023

Easy

4 votes460 runs0 comment

What is the "Metaverse" imagined by "Mark Zuckerberg"?

IT Architect

metaverse

virtual

Vincent Cotroat Sep 19, 2022

Medium

3 votes510 runs0 comment

Write a Rust function that returns the first 10 prime numbers.

IT Architect

rust

algorithm

Vincent Cotroat Sep 19, 2022

Medium

3 votes192 runs0 comment

What term refers to the principle that a computer program should be divided into independent modules?

IT Architect

modules

programming

Damienat Sep 5, 2023

Expert

2 votes547 runs0 comment

Which of the following service have leaked millions of badly hashed data ?

IT Architect

hashing

security

Dragon parfaitat Sep 19, 2022

Expert

2 votes515 runs

2 comments

Write a Java program that throws an exception.

IT Architect

exceptions

Vincent Cotroat Sep 19, 2022

Hard

2 votes475 runs1 comment

Is the following a valid JavaScript expression? `undefined`

IT Architect

boolean

logic

Vincent Cotroat Sep 19, 2022

Easy

2 votes214 runs1 comment

The IT transition to the year 2000 has given rise to many concerns! Why ?

IT Architect

date

computer

Vincent Cotroat Sep 19, 2022

Easy

2 votes209 runs0 comment

What software development method emphasizes short iterative cycles, close collaboration with clients, and frequent adjustments based on obtained feedback?

IT Architect

software development

method

Damienat Sep 5, 2023

Medium

1 vote352 runs0 comment

Write a function that returns the first non-repeating character in a string.

IT Architect

javascript

Vincent Cotroat Sep 19, 2022

Hard

1 vote251 runs0 comment

Kevin Mitnick used ARPAnet to access illegaly a file system. Who was the target ?

IT Architect

history

Dragon parfaitat Sep 5, 2023

Hard

1 vote197 runs0 comment

What is the correct chronological order of creation for the languages below? (for expert only ;) )

IT Architect

languages

history

Damienat Sep 5, 2023

Easy

1 vote192 runs0 comment

Which programming language, used for server-side web development, was created by Rasmus Lerdorf?

IT Architect

programming language

server-side

Damienat Sep 5, 2023

Hard

1 vote82 runs0 comment

What is the output of the following code ? ```js let c = { bonjour: "Hello!" }; let d; d = c; c.bonjour = "Wesh!"; console.log(d.bonjour); ```

IT Architect

objects

references

Vincent Cotroat Sep 19, 2022

Easy

1 vote47 runs0 comment

Which network communication protocol is commonly used for transferring files between a client and a remote server?

IT Architect

network

protocol

Damienat Sep 5, 2023

Easy

1 vote45 runs0 comment

Which company acquired Github in 2018?

IT Architect

history

Vincent Cotroat Sep 19, 2022

Medium

1 vote27 runs0 comment

Write an algorithm that returns the sum of the first 20000 integers.

IT Architect

array

loop

Vincent Cotroat Sep 19, 2022

Easy

1 vote26 runs1 comment

Which country host the most websites in the world ?

IT Architect

data

Vincent Cotroat Sep 19, 2022

Medium

1 vote12 runs0 comment

Who is Tim Berners-Lee?

IT Architect

history

Olivier Keulat Sep 5, 2023

73 interview questions on General knowledge for developersfor developers (2025)

Test your technical skills before an interview of General knowledge for developers with 73 corrected questions. Beginner, Intermediate or Expert level.

In 2016, Linkedin had a large data breach and leaked 168 millions of users data including hashed password. What was the protections of those password ?

What is the most used back-end language for websites?

What is the "Metaverse" imagined by "Mark Zuckerberg"?

Write a Rust function that returns the first 10 prime numbers.

What term refers to the principle that a computer program should be divided into independent modules?

Which of the following service have leaked millions of badly hashed data ?

Write a Java program that throws an exception.

Is the following a valid JavaScript expression? `undefined`

The IT transition to the year 2000 has given rise to many concerns! Why ?

What software development method emphasizes short iterative cycles, close collaboration with clients, and frequent adjustments based on obtained feedback?

Write a function that returns the first non-repeating character in a string.

Kevin Mitnick used ARPAnet to access illegaly a file system. Who was the target ?

What is the correct chronological order of creation for the languages below? (for expert only ;) )

Which programming language, used for server-side web development, was created by Rasmus Lerdorf?

What is the output of the following code ? ```js let c = { bonjour: "Hello!" }; let d; d = c; c.bonjour = "Wesh!"; console.log(d.bonjour); ```

Which network communication protocol is commonly used for transferring files between a client and a remote server?

Which company acquired Github in 2018?

Write an algorithm that returns the sum of the first 20000 integers.

Which country host the most websites in the world ?

Who is Tim Berners-Lee?