248 interview questions for System Administrator (2025)

Hard

8 votes410 runs0 comment

How to enable Azure AD Authentication in a hosted Application

DevOps

azure

authentication

Anonymous authorat Feb 8, 2022

Easy

7 votes1004 runs0 comment

List running processes.

DevOps

linux

processes

Kevin Lefevreat Sep 19, 2022

Hard

6 votes982 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 votes383 runs0 comment

Where does `kubectl` command store its configuration file ?

DevOps

Kubernetes

Raymondat Feb 2, 2024

Hard

5 votes1027 runs1 comment

How to create a snapshot of a logical volume in Linux

DevOps

logical volume

snapshot

Kevin Lefevreat Nov 27, 2021

Medium

5 votes394 runs1 comment

What are the Kubernetes managed services ?

DevOps

Kubernetes

Raymondat Feb 2, 2024

Medium

5 votes262 runs0 comment

What is the name of the cloud init service?

DevOps

cloud-init

Kevin Lefevreat Nov 11, 2021

Hard

4 votes992 runs0 comment

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

DevOps

kernel

parameters

Kevin Lefevreat Nov 27, 2021

Expert

4 votes559 runs0 comment

Private cloud is a cloud computing environment that is operated solely for a single organization

DevOps

cloud

Kevin Lefevreat Apr 3, 2023

Easy

4 votes385 runs1 comment

How to configure storage for stateful applications in Kubernetes?

DevOps

Kubernetes

Raymondat Feb 9, 2024

Easy

4 votes346 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

Easy

3 votes994 runs0 comment

Change file mode bits.

DevOps

chmod

file

Kevin Lefevreat Nov 27, 2021

Hard

3 votes982 runs0 comment

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

DevOps

linux

password

Kevin Lefevreat Mar 6, 2023

Expert

3 votes544 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 votes344 runs1 comment

Kubernetes hierarchy : what is inside what ?

DevOps

Kubernetes

Dragon parfaitat Feb 9, 2024

Hard

3 votes342 runs0 comment

Routing between and within a virtual network in Azure

DevOps

routing

virtual network

Anonymous authorat Feb 8, 2022

Medium

2 votes1041 runs0 comment

Where is the shadow file located in a Linux system?

DevOps

linux

file

Kevin Lefevreat Nov 27, 2021

Hard

2 votes1002 runs0 comment

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

DevOps

linux

command

Kevin Lefevreat Dec 2, 2021

Hard

2 votes990 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 votes973 runs0 comment

What is the default configuration for a Linux system?

DevOps

linux

active-active

Kevin Lefevreat Nov 27, 2021

248 interview questionsfor System Administrator (2025)

Test your technical skills before an interview of System Administrator with 248 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.

Where does `kubectl` command store its configuration file ?

How to create a snapshot of a logical volume in Linux

What are the Kubernetes managed services ?

What is the name of the cloud init service?

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

Private cloud is a cloud computing environment that is operated solely for a single organization

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.

Change file mode bits.

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

Kubernetes hierarchy : what is inside what ?

Routing between and within a virtual network in Azure

Where is the shadow file located in a Linux system?

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

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?

248 interview questionsfor System Administrator (2025)

Test your technical skills before an interview of System Administrator with 248 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.

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

How to create a snapshot of a logical volume in Linux

What are the Kubernetes managed services ?

What is the name of the cloud init service?

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

Private cloud is a cloud computing environment that is operated solely for a single organization

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.

Change file mode bits.

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

Kubernetes hierarchy : what is inside what ?

Routing between and within a virtual network in Azure

Where is the shadow file located in a Linux system?

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

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?

Where does `kubectl` command store its configuration file ?