251 interview questions for Site Reliability Engineer (SRE) (2026)

Easy

42 votes2168 runs1 comment

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

Back-end developer

recursion

Vincent Cotroat Mar 28, 2023

Hard

25 votes2541 runs

1 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 votes2306 runs0 comment

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

Back-end developer

list

zip

Anonymous authorat Mar 28, 2022

Hard

12 votes1097 runs0 comment

What is special about quick sort?

IT Architect

sorting

algorithm

Anonymous authorat Sep 19, 2022

Easy

12 votes1005 runs0 comment

What is recursion?

IT Architect

recursion

Anonymous authorat Sep 19, 2022

Easy

11 votes2274 runs0 comment

What type is `function_a` in the following code ?

Back-end developer

functions

decorators

Anonymous authorat Mar 28, 2022

Medium

10 votes2584 runs0 comment

Start a HTTP server from the CLI with python

Back-end developer

cli

http

Anonymous authorat Jan 23, 2023

Hard

8 votes2331 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

Expert

8 votes2143 runs0 comment

Find the word 'lazy' in a sentence using Python

Back-end developer

regex

python

Anonymous authorat Mar 28, 2022

Easy

8 votes922 runs0 comment

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

IT Architect

recursion

stack

Anonymous authorat Sep 19, 2022

Hard

7 votes1176 runs1 comment

How to create a snapshot of a logical volume in Linux

DevOps

logical volume

snapshot

Kevin Lefevreat Nov 27, 2021

Easy

7 votes1140 runs0 comment

List running processes.

DevOps

linux

processes

Kevin Lefevreat Sep 19, 2022

Hard

7 votes1124 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

Hard

7 votes902 runs0 comment

What does the While loop do?

IT Architect

array

loop

Adrienat Sep 5, 2022

Hard

6 votes2326 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

6 votes2323 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

6 votes2295 runs0 comment

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

Back-end developer

methods

python

Anonymous authorat Mar 28, 2022

Medium

6 votes2155 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

Easy

6 votes1000 runs0 comment

What will be the result of the following code?

Back-end developer

Anonymous authorat Jun 26, 2024

Hard

5 votes2326 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

251 interview questionsfor Site Reliability Engineer (SRE) (2026)

Test your technical skills before an interview of Site Reliability Engineer (SRE) with 251 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.

What is special about quick sort?

What is recursion?

What type is `function_a` in the following code ?

Start a HTTP server from the CLI with python

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

Find the word 'lazy' in a sentence using Python

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

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 does the While loop do?

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?

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

What will be the result of the following code?

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

251 interview questionsfor Site Reliability Engineer (SRE) (2026)

Test your technical skills before an interview of Site Reliability Engineer (SRE) with 251 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.

What is special about quick sort?

What is recursion?

What type is `function_a` in the following code ?

Start a HTTP server from the CLI with python

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

Find the word 'lazy' in a sentence using Python

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

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 does the While loop do?

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?

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

What will be the result of the following code?

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

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?