247 interview questions for System Administrator (2025)

Hard

9 votes435 runs0 comment

How to enable Azure AD Authentication in a hosted Application

DevOps

azure

authentication

Anonymous authorat Feb 8, 2022

Easy

8 votes500 runs0 comment

Where does `kubectl` command store its configuration file ?

DevOps

Kubernetes

Raymondat Feb 2, 2024

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

Medium

6 votes278 runs0 comment

What is the name of the cloud init service?

DevOps

cloud-init

Kevin Lefevreat Nov 11, 2021

Easy

5 votes469 runs0 comment

Complete the missing key words [keyword1] and [keyword2] in the following .yaml file

DevOps

Kubernetes

Raymondat Feb 2, 2024

Hard

5 votes460 runs

2 comments

Kubernetes hierarchy : what is inside what ?

DevOps

Kubernetes

Dragon parfaitat Feb 9, 2024

Easy

5 votes403 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

4 votes1091 runs0 comment

Change file mode bits.

DevOps

chmod

file

Kevin Lefevreat Nov 27, 2021

Hard

4 votes1071 runs0 comment

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

DevOps

kernel

parameters

Kevin Lefevreat Nov 27, 2021

Expert

4 votes597 runs0 comment

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

DevOps

cloud

Kevin Lefevreat Apr 3, 2023

Expert

4 votes579 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

Easy

4 votes400 runs

1 comment

What is the other nickname of Kubernetes?

DevOps

Kubernetes

Raymondat Feb 2, 2024

Hard

3 votes1070 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

3 votes1061 runs0 comment

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

DevOps

linux

password

Kevin Lefevreat Mar 6, 2023

Easy

3 votes451 runs0 comment

What is a kubelet?

DevOps

Kubernetes

Raymondat Feb 2, 2024

Medium

3 votes408 runs0 comment

How to minimize latency between containers in Kubernetes?

DevOps

Kubernetes

Nick LAM YEE MANat Feb 13, 2024

Medium

3 votes373 runs0 comment

Routing between and within a virtual network in Azure

DevOps

routing

virtual network

Anonymous authorat Feb 8, 2022

Easy

3 votes289 runs0 comment

Use a public and private cloud

DevOps

cloud

public

private

Kevin Lefevreat Nov 18, 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

Where does `kubectl` command store its configuration file ?

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 is the name of the cloud init service?

Complete the missing key words [keyword1] and [keyword2] in the following .yaml file

Kubernetes hierarchy : what is inside what ?

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 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 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

What is the other nickname of Kubernetes?

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

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

What is a kubelet?

How to minimize latency between containers in Kubernetes?

Routing between and within a virtual network in Azure

Use a public and private cloud

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

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

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 is the name of the cloud init service?

Complete the missing key words [keyword1] and [keyword2] in the following .yaml file

Kubernetes hierarchy : what is inside what ?

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 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 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

What is the other nickname of Kubernetes?

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

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

What is a kubelet?

How to minimize latency between containers in Kubernetes?

Routing between and within a virtual network in Azure

Use a public and private cloud

Where does `kubectl` command store its configuration file ?