239 interview questions for Site Reliability Engineer (SRE) (2025)

Easy

31 votes1562 runs1 comment

Write a Python function that returns the factorial of a number.

Back-end developer

recursion

Vincent Cotroat Mar 28, 2023

Expert

19 votes1932 runs0 comment

Write a Python function that prints the elements of a list.

Back-end developer

list

for loop

Théoat Mar 28, 2022

Hard

10 votes1756 runs0 comment

Use the zip() function to iterate over two lists in parallel.

Back-end developer

list

zip

Théoat Mar 28, 2022

Medium

9 votes1972 runs0 comment

Start a HTTP server from the CLI with python

Back-end developer

cli

http

Théoat Jan 23, 2023

Easy

9 votes789 runs0 comment

What is recursion?

IT Architect

recursion

Kahinaat Sep 19, 2022

Easy

8 votes1748 runs0 comment

What type is `function_a` in the following code ?

Back-end developer

functions

decorators

Théoat Mar 28, 2022

Easy

7 votes984 runs0 comment

List running processes.

DevOps

linux

processes

Kevin Lefevreat Sep 19, 2022

Hard

7 votes852 runs0 comment

What is special about quick sort?

IT Architect

sorting

algorithm

Kahinaat Sep 19, 2022

Hard

6 votes2075 runs1 comment

Why is the output of the following code undefined? ``` def f(n): return n + 1 f(n) ```

Back-end developer

python

scope

Antoine Brennerat Dec 2, 2021

Hard

6 votes958 runs1 comment

Configure the /etc/resolv.conf file to use the following nameservers: 10.1.1.1, 10.2.2.2, 10.3.3.3.

DevOps

linux

resolver

Kevin Lefevreat Jan 2, 2024

Easy

6 votes718 runs0 comment

What type of structure are the results of a recursive function stored in?

IT Architect

recursion

stack

Kahinaat Sep 19, 2022

Hard

5 votes2071 runs0 comment

Write a Python program to open a file in binary mode and write a string to it.

Back-end developer

python

file

binary

Antoine Brennerat Dec 2, 2021

Hard

5 votes2063 runs0 comment

What is the output of the following code? ``` import asyncio async def read_data(): with open('data.txt', 'r') as f: data = f.read() return data async def main(): data = await read_data() print(data) if name == 'main': asyncio.run(main()) ```

Back-end developer

coroutines

event loop

Antoine Brennerat Dec 2, 2021

Medium

5 votes1654 runs0 comment

What do `a^b`, `a|b` and `a-b` respectively represent in Python ?

Back-end developer

sets

union

difference

Théoat Mar 28, 2022

Expert

5 votes1636 runs0 comment

Find the word 'lazy' in a sentence using Python

Back-end developer

regex

python

Théoat Mar 28, 2022

Hard

5 votes688 runs0 comment

What does the While loop do?

IT Architect

array

loop

Adrienat Sep 5, 2022

Hard

5 votes526 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

Hard

5 votes285 runs0 comment

Change the value of a nested list element in Python

Back-end developer

lists

nested lists

El Mehdiat Sep 4, 2023

Hard

4 votes2085 runs0 comment

Write a Python function that returns a list of the first n numbers of the Fibonacci sequence.

Back-end developer

list comprehension

lambda

Antoine Brennerat Dec 2, 2021

Hard

4 votes2071 runs0 comment

What is the output of the following Python code? ``` G = '123' print(G + 1) ```

Back-end developer

python

type

Antoine Brennerat Dec 2, 2021

239 interview questionsfor Site Reliability Engineer (SRE) (2025)

Test your technical skills before an interview of Site Reliability Engineer (SRE) with 239 corrected questions. Beginner, Intermediate or Expert level.

Write a Python function that returns the factorial of a number.

Write a Python function that prints the elements of a list.

Use the zip() function to iterate over two lists in parallel.

Start a HTTP server from the CLI with python

What is recursion?

What type is `function_a` in the following code ?

List running processes.

What is special about quick sort?

Why is the output of the following code undefined? ``` def f(n): return n + 1 f(n) ```

Configure the /etc/resolv.conf file to use the following nameservers: 10.1.1.1, 10.2.2.2, 10.3.3.3.

What type of structure are the results of a recursive function stored in?

Write a Python program to open a file in binary mode and write a string to it.

What is the output of the following code? ``` import asyncio async def read_data(): with open('data.txt', 'r') as f: data = f.read() return data async def main(): data = await read_data() print(data) if name == 'main': asyncio.run(main()) ```

What do `a^b`, `a|b` and `a-b` respectively represent in Python ?

Find the word 'lazy' in a sentence using Python

What does the While loop do?

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 ?

Change the value of a nested list element in Python

Write a Python function that returns a list of the first n numbers of the Fibonacci sequence.

What is the output of the following Python code? ``` G = '123' print(G + 1) ```

239 interview questionsfor Site Reliability Engineer (SRE) (2025)

Test your technical skills before an interview of Site Reliability Engineer (SRE) with 239 corrected questions. Beginner, Intermediate or Expert level.

Write a Python function that returns the factorial of a number.

Write a Python function that prints the elements of a list.

Use the zip() function to iterate over two lists in parallel.

Start a HTTP server from the CLI with python

What is recursion?

What type is `function_a` in the following code ?

List running processes.

What is special about quick sort?

Why is the output of the following code undefined? ``` def f(n): return n + 1 f(n) ```

Configure the /etc/resolv.conf file to use the following nameservers: 10.1.1.1, 10.2.2.2, 10.3.3.3.

What type of structure are the results of a recursive function stored in?

Write a Python program to open a file in binary mode and write a string to it.

What is the output of the following code? ``` import asyncio async def read_data(): with open('data.txt', 'r') as f: data = f.read() return data async def main(): data = await read_data() print(data) if __name__ == '__main__': asyncio.run(main()) ```

What do `a^b`, `a|b` and `a-b` respectively represent in Python ?

Find the word 'lazy' in a sentence using Python

What does the While loop do?

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 ?

Change the value of a nested list element in Python

Write a Python function that returns a list of the first n numbers of the Fibonacci sequence.

What is the output of the following Python code? ``` G = '123' print(G + 1) ```

What is the output of the following code? ``` import asyncio async def read_data(): with open('data.txt', 'r') as f: data = f.read() return data async def main(): data = await read_data() print(data) if name == 'main': asyncio.run(main()) ```