VVDN Technologies Senior System Administrator Interview Questions and Answers

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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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Q1. Explain the boot process of Linux?
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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?
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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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Questions related to testing life cycle, sql, Automation. Passing marks 60%. Quite easy to crack.

Q1. Basic manual testing questions, questions on agile methodology, maximum ques were asked on sql queries
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Q1. All questions on Complex SQL queries
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Tell me about yourself.
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Q1. Client round after onboarding in hexaware
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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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Q1. Tell me about yourself.
Ans. 
I am an experienced System Administrator with a strong background in managing and troubleshooting complex IT systems.
• Over 5 years of experience in system administration

• Proficient in managing Windows and Linux servers

• Skilled in network configuration and troubleshooting

• Experience with virtualization technologies such as VMware

• Strong knowledge of security protocols and best practices

• Excellent problem-solving and communica
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Q2. What are your strengths and weakness
Ans. 
My strengths include strong problem-solving skills and attention to detail. My weakness is that I can be overly critical of my own work.
• Strength: Strong problem-solving skills

• Strength: Attention to detail

• Weakness: Overly critical of my own work
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Q3. What are your family background
Ans. 
My family background is diverse and includes individuals from various professions and cultural backgrounds.
• My father is a software engineer and my mother is a teacher.

• I have a sibling who is a doctor and another sibling who is an artist.

• We come from a multicultural background, with relatives from different countries.

• My family values education and encourages continuous learning.
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Q4. Why are you choosing this job
Ans. 
I am choosing this job because of my passion for technology and problem-solving.
• Passion for technology and problem-solving

• Opportunity to work with diverse systems and networks

• Enjoyment of troubleshooting and resolving technical issues

• Desire to contribute to the smooth functioning of an organization's IT infrastructure
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Q5. What are your expected salary
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I am open to discussing salary based on the responsibilities and requirements of the position.
• I believe that compensation should be fair and competitive within the industry.

• I am more interested in the overall package, including benefits and opportunities for growth.

• I am open to negotiation and would like to learn more about the company's compensation structure.

• I am confident that my skills and experience warrant a comp...read more
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Q6. Why are choose hire now
Ans. 
We choose to hire now because of the candidate's strong technical skills, experience, and ability to contribute to the team immediately.
• Candidate has extensive experience in system administration

• Candidate possesses in-depth knowledge of various operating systems and network protocols

• Candidate has a proven track record of successfully managing and troubleshooting complex systems

• Candidate has excellent problem-solving an...read more
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Q1. What are your strengths and weaknesses?
Ans. 
My strengths include strong problem-solving skills and attention to detail. My weaknesses include a tendency to be overly critical of my own work.
• Strength: Strong problem-solving skills

• Strength: Attention to detail

• Weakness: Overly critical of my own work
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Q2. What are your educational qualifications
Ans. 
I have a Bachelor's degree in Computer Science and multiple certifications in system administration.
• Bachelor's degree in Computer Science

• Certifications in system administration
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Q3. Tell about your family
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I have a loving and supportive family.
• I have a spouse and two children.

• We enjoy spending quality time together.

• My parents and siblings are also an important part of my family.

• We often have family gatherings and celebrate special occasions.

• My family has always been there for me, providing emotional and moral support.
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