VVDN Technologies Senior System Administrator Interview Questions and Answers

Q1. Explain the 0365 migration process
Ans. 
The 0365 migration process involves planning, preparation, migration, and post-migration tasks.
• Plan the migration by assessing current environment, setting goals, and creating a migration plan.

• Prepare by ensuring all prerequisites are met, communicating with stakeholders, and scheduling downtime if needed.

• Migrate data, users, and settings to Office 365 using tools like Microsoft's migration tools or third-party solutio...read more
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Q2. How to manage the third party software patches using intune
Ans. 
Manage third party software patches using Intune
• Create a software update policy in Intune

• Select 'Third Party Updates' as the update source

• Choose the third party software you want to patch

• Set the schedule for patch deployment

• Monitor patch deployment status and compliance
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Q1. Knowledge about ITIL
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Q2. Intune complete management
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Asked basic python code

Q1. Linux boot process
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Q2. How to create LVM
Ans. 
LVM (Logical Volume Management) allows for flexible disk space allocation by creating logical volumes from physical volumes.
• Create physical volumes using pvcreate command

• Create volume group using vgcreate command

• Create logical volume using lvcreate command

• Format the logical volume with a filesystem using mkfs command

• Mount the logical volume to a directory using mount command
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Medium level question where asked in this round.

1 medium 1 hard question and had a good structured question.

Q1. Explain the boot process of Linux?
Ans. 
The boot process of Linux involves several stages, including BIOS/UEFI, bootloader, kernel initialization, and system initialization.
• The boot process starts with the BIOS/UEFI firmware, which performs a Power-On Self-Test (POST) and initializes hardware.

• The bootloader (e.g., GRUB) is then loaded, which allows the user to choose the operating system and loads the kernel into memory.

• The kernel initializes essential compo...read more
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Q2. Basic command,system monitoring commands,ansible related questions,LVM concept,firewall, networks related questions
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Q1. What is thread pool and how to manage it?
Ans. 
Thread pool is a collection of threads that are used to execute tasks concurrently. It helps in reducing the overhead of thread creation.
• Thread pool manages a fixed number of threads and assigns tasks to them as they become available.

• It helps in improving the performance of applications by reducing the time taken to create and destroy threads.

• Thread pool can be managed using various parameters such as the size of the t...read more
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Q2. What is thread life cycle?
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Thread life cycle refers to the various stages a thread goes through during its execution.
• Thread is created

• Thread is started

• Thread is running

• Thread is blocked

• Thread is terminated
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Q1. Related to previous Job and core technical questions
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Q2. Question depend upon department
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Q1. Difference between incident and service request
Ans. 
An incident refers to an unplanned interruption or degradation of a service, while a service request is a formal request for assistance or information.
• Incident: Unplanned interruption or degradation of a service

• Service request: Formal request for assistance or information

• Incidents are typically reported by users when a service is not functioning as expected

• Service requests are initiated by users seeking help or informa...read more
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