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

Easy

36 votes1910 runs1 comment

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

Back-end developer

recursion

Vincent Cotroat Mar 28, 2023

Hard

22 votes2285 runs0 comment

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

Back-end developer

list

for loop

Anonymous authorat Mar 28, 2022

Medium

12 votes2074 runs0 comment

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

Back-end developer

list

zip

Anonymous authorat Mar 28, 2022

Medium

10 votes2328 runs0 comment

Start a HTTP server from the CLI with python

Back-end developer

cli

http

Anonymous authorat Jan 23, 2023

Easy

10 votes2051 runs0 comment

What type is `function_a` in the following code ?

Back-end developer

functions

decorators

Anonymous authorat Mar 28, 2022

Easy

9 votes903 runs0 comment

What is recursion?

IT Architect

recursion

Kahinaat Sep 19, 2022

Hard

8 votes2220 runs

2 comments

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

8 votes978 runs0 comment

What is special about quick sort?

IT Architect

sorting

algorithm

Kahinaat Sep 19, 2022

Expert

7 votes1929 runs0 comment

Find the word 'lazy' in a sentence using Python

Back-end developer

regex

python

Anonymous authorat Mar 28, 2022

Hard

7 votes1108 runs1 comment

How to create a snapshot of a logical volume in Linux

DevOps

logical volume

snapshot

Kevin Lefevreat Nov 27, 2021

Easy

7 votes1079 runs0 comment

List running processes.

DevOps

linux

processes

Kevin Lefevreat Sep 19, 2022

Hard

7 votes1062 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

7 votes822 runs0 comment

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

IT Architect

recursion

stack

Kahinaat Sep 19, 2022

Medium

6 votes1945 runs0 comment

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

Back-end developer

sets

union

difference

Anonymous authorat Mar 28, 2022

Hard

6 votes797 runs0 comment

What does the While loop do?

IT Architect

array

loop

Adrienat Sep 5, 2022

Hard

5 votes2221 runs0 comment

In Python, what is the output of the following code? `valueA = 10; valueB = 10; valueA is valueB`

Back-end developer

python

boolean

Antoine Brennerat Dec 2, 2021

Hard

5 votes2219 runs

2 comments

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 votes2216 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

Hard

5 votes2062 runs0 comment

What is the difference between the `repr()` and `str()` methods in Python?

Back-end developer

methods

python

Anonymous authorat Mar 28, 2022

Hard

5 votes565 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

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 type is `function_a` in the following code ?

What is recursion?

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

What is special about quick sort?

Find the word 'lazy' in a sentence using Python

How to create a snapshot of a logical volume in Linux

List running processes.

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?

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

What does the While loop do?

In Python, what is the output of the following code? `valueA = 10; valueB = 10; valueA is valueB`

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 is the difference between the `repr()` and `str()` methods in Python?

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 ?

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 type is `function_a` in the following code ?

What is recursion?

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

What is special about quick sort?

Find the word 'lazy' in a sentence using Python

How to create a snapshot of a logical volume in Linux

List running processes.

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?

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

What does the While loop do?

In Python, what is the output of the following code? `valueA = 10; valueB = 10; valueA is valueB`

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 is the difference between the `__repr__()` and `__str__()` methods in Python?

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 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 is the difference between the `repr()` and `str()` methods in Python?