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286 interview questionsfor System Administrator (2026)

Test your technical skills before an interview of System Administrator with 286 corrected questions. Beginner, Intermediate or Expert level.

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286 questions
Easy
12 votes633 runs0 comment

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

DevOps
Kubernetes
Raymondat Feb 2, 2024
Hard
9 votes460 runs0 comment

How to enable Azure AD Authentication in a hosted Application

DevOps
azure
authentication
Anonymous authorat Feb 8, 2022
Hard
7 votes1196 runs1 comment

How to create a snapshot of a logical volume in Linux

DevOps
logical volume
snapshot
Kevin Lefevreat Nov 27, 2021
Easy
7 votes1159 runs0 comment

List running processes.

DevOps
linux
processes
Kevin Lefevreat Sep 19, 2022
Hard
7 votes1146 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
6 votes599 runs
2 comments

Kubernetes hierarchy : what is inside what ?

DevOps
Kubernetes
Dragon parfaitat Feb 9, 2024
Easy
6 votes597 runs0 comment

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

DevOps
Kubernetes
Raymondat Feb 2, 2024
Medium
6 votes295 runs0 comment

What is the name of the cloud init service?

DevOps
cloud-init
Kevin Lefevreat Nov 11, 2021
Easy
5 votes1177 runs0 comment

Change file mode bits.

DevOps
chmod
file
Kevin Lefevreat Nov 27, 2021
Expert
5 votes632 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
5 votes479 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
4 votes1156 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
4 votes1153 runs0 comment

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

DevOps
kernel
parameters
Kevin Lefevreat Nov 27, 2021
Hard
4 votes1148 runs0 comment

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

DevOps
linux
password
Kevin Lefevreat Mar 6, 2023
Expert
4 votes645 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 votes521 runs
1 comment

What is the other nickname of Kubernetes?

DevOps
Kubernetes
Raymondat Feb 2, 2024
Hard
3 votes1197 runs0 comment

What is the output of the following command? echo $?

DevOps
exit status
command
Kevin Lefevreat Nov 27, 2021
Hard
3 votes1168 runs0 comment

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

DevOps
linux
command
Kevin Lefevreat Dec 2, 2021
Easy
3 votes577 runs0 comment

What is a kubelet?

DevOps
Kubernetes
Raymondat Feb 2, 2024
Hard
3 votes529 runs0 comment

How to minimize latency between containers in Kubernetes?

DevOps
Kubernetes
Nick LAM YEE MANat Feb 13, 2024
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