Junior System Administrator Interview Questions and Answers

Updated 1 Feb 2025

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Q1. How would you check slowness on a workstation what measures will you take ?

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To check slowness on a workstation, I would perform various diagnostic tests and optimizations.

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Yes, I have experience in SCCM and Windows OS migration.

I have worked with SCCM to deploy software updates and patches.
I have also used SCCM to deploy new operating systems to computers.
I am familiar with the process of creating and deploying task sequences for OS migration.
I have experience with Windows 7 to Windows 10 migration.
I have also worked on Windows Server migration using SCCM.
I am comfortable with troubleshooting issues related to SCCM and OS migration.

Junior System Administrator Interview Questions and Answers for Freshers

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Switch forwards data to specific devices based on MAC addresses, hub broadcasts data to all devices, router connects different networks.

Switch operates at layer 2 of the OSI model, hub operates at layer 1, and router operates at layer 3.
Switch forwards data only to the intended device based on MAC addresses, while hub broadcasts data to all connected devices.
Router connects different networks and routes data between them based on IP addresses.
Switches are more efficient than ...read more

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Modem stands for modulator-demodulator and router stands for a device that forwards data packets between computer networks.

Modem converts digital data from a computer into analog signals for transmission over telephone lines
Router is a networking device that forwards data packets between computer networks
Examples: Modem - DSL modem, Cable modem; Router - Wireless router, Ethernet router

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EC2 is a web service that provides resizable compute capacity in the cloud.

EC2 stands for Elastic Compute Cloud.
It allows users to rent virtual servers on which they can run their own applications.
EC2 instances can be easily scaled up or down based on demand.
Users have full control over their instances, including the choice of operating system, networking, and security settings.
EC2 provides a wide range of instance types optimized for different use cases, such as general-purp...read more

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Safety for important human

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DORA process stands for Discovery, Optimization, Remediation, and Automation in IT operations.

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405 error means method not allowed.

405 error occurs when the requested method is not allowed for the specified resource.
It is typically returned when trying to use a method (such as POST or PUT) that is not supported by the server for the requested URL.
For example, trying to POST data to a URL that only allows GET requests would result in a 405 error.