247 interview questions for System Administrator (2025)

Hard

8 votes403 runs0 comment

How to enable Azure AD Authentication in a hosted Application

DevOps

azure

authentication

Anonymous authorat Feb 8, 2022

Easy

7 votes983 runs0 comment

List running processes.

DevOps

linux

processes

Kevin Lefevreat Sep 19, 2022

Hard

6 votes957 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

5 votes353 runs1 comment

What are the Kubernetes managed services ?

DevOps

Kubernetes

Raymondat Feb 2, 2024

Easy

5 votes342 runs0 comment

Where does `kubectl` command store its configuration file ?

DevOps

Kubernetes

Raymondat Feb 2, 2024

Medium

5 votes256 runs0 comment

What is the name of the cloud init service?

DevOps

cloud-init

Kevin Lefevreat Nov 11, 2021

Hard

4 votes1001 runs1 comment

How to create a snapshot of a logical volume in Linux

DevOps

logical volume

snapshot

Kevin Lefevreat Nov 27, 2021

Hard

4 votes965 runs0 comment

What are the parameters passed to the kernel at boot time?

DevOps

kernel

parameters

Kevin Lefevreat Nov 27, 2021

Easy

4 votes345 runs1 comment

How to configure storage for stateful applications in Kubernetes?

DevOps

Kubernetes

Raymondat Feb 9, 2024

Easy

4 votes327 runs

1 comment

Planning the necessary resources (CPU, RAM, storage) for the new VM.,Selecting the operating system for the new VM.,Choosing a name for the new VM.

DevOps

Virtual machines

virtualization

vm

planning

Elyes Zaagat Nov 3, 2023

Hard

3 votes959 runs0 comment

What does the `-p` option do in `passwd` command?

DevOps

linux

password

Kevin Lefevreat Mar 6, 2023

Expert

3 votes531 runs0 comment

How many instances are running in each zone? A : 6 instances, B : 6 instances, C : 0 instances,A : 3 instances, B : 3 instances, C : 3 instances

DevOps

cloud

instances

Kevin Lefevreat Nov 23, 2021

Hard

3 votes336 runs0 comment

Routing between and within a virtual network in Azure

DevOps

routing

virtual network

Anonymous authorat Feb 8, 2022

Hard

3 votes303 runs1 comment

Kubernetes hierarchy : what is inside what ?

DevOps

Kubernetes

Dragon parfaitat Feb 9, 2024

Medium

2 votes1014 runs0 comment

Where is the shadow file located in a Linux system?

DevOps

linux

file

Kevin Lefevreat Nov 27, 2021

Hard

2 votes977 runs0 comment

What is the default number of processes in a Linux system?

DevOps

linux

command

Kevin Lefevreat Dec 2, 2021

Easy

2 votes971 runs0 comment

Change file mode bits.

DevOps

chmod

file

Kevin Lefevreat Nov 27, 2021

Hard

2 votes969 runs1 comment

Change file permission of /home/strawberry/.ssh/authorized_keys to 600,Change file permission of /home/strawberry/ to 755

DevOps

linux

file permissions

Clément Devos (W3D Team)at Nov 27, 2021

Hard

2 votes948 runs0 comment

What is the default configuration for a Linux system?

DevOps

linux

active-active

Kevin Lefevreat Nov 27, 2021

Hard

2 votes545 runs0 comment

What is the difference between object storage and block storage?

DevOps

cloud

storage

Kevin Lefevreat Nov 23, 2021

247 interview questionsfor System Administrator (2025)

Test your technical skills before an interview of System Administrator with 247 corrected questions. Beginner, Intermediate or Expert level.

How to enable Azure AD Authentication in a hosted Application

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 are the Kubernetes managed services ?

Where does `kubectl` command store its configuration file ?

What is the name of the cloud init service?

How to create a snapshot of a logical volume in Linux

What are the parameters passed to the kernel at boot time?

How to configure storage for stateful applications in Kubernetes?

Planning the necessary resources (CPU, RAM, storage) for the new VM.,Selecting the operating system for the new VM.,Choosing a name for the new VM.

What does the `-p` option do in `passwd` command?

How many instances are running in each zone? A : 6 instances, B : 6 instances, C : 0 instances,A : 3 instances, B : 3 instances, C : 3 instances

Routing between and within a virtual network in Azure

Kubernetes hierarchy : what is inside what ?

Where is the shadow file located in a Linux system?

What is the default number of processes in a Linux system?

Change file mode bits.

Change file permission of /home/strawberry/.ssh/authorized_keys to 600,Change file permission of /home/strawberry/ to 755

What is the default configuration for a Linux system?

What is the difference between object storage and block storage?

247 interview questionsfor System Administrator (2025)

Test your technical skills before an interview of System Administrator with 247 corrected questions. Beginner, Intermediate or Expert level.

How to enable Azure AD Authentication in a hosted Application

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 are the Kubernetes managed services ?

Where does `kubectl` command store its **configuration file** ?

What is the name of the cloud init service?

How to create a snapshot of a logical volume in Linux

What are the parameters passed to the kernel at boot time?

How to configure storage for stateful applications in Kubernetes?

Planning the necessary resources (CPU, RAM, storage) for the new VM.,Selecting the operating system for the new VM.,Choosing a name for the new VM.

What does the `-p` option do in `passwd` command?

How many instances are running in each zone? A : 6 instances, B : 6 instances, C : 0 instances,A : 3 instances, B : 3 instances, C : 3 instances

Routing between and within a virtual network in Azure

Kubernetes hierarchy : what is inside what ?

Where is the shadow file located in a Linux system?

What is the default number of processes in a Linux system?

Change file mode bits.

Change file permission of /home/strawberry/.ssh/authorized_keys to 600,Change file permission of /home/strawberry/ to 755

What is the default configuration for a Linux system?

What is the difference between object storage and block storage?

Where does `kubectl` command store its configuration file ?