Precision Infomatic M Pvt Ltd Interview Questions and Answers

Q1. Basic knowledge about your domain
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It's a scenario based task

Q1. Face to face interview with the senior technical manager.
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Q1. Explanation of your roles and responsibilities, salary discussion.
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Q1. Vcenter Upgrade and Prerequisite
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Q2. Host upgrade and Prerequisite
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Q3. Vcenter Patches update and Rollback Process
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The vCenter patch update and rollback process ensures system stability and security through careful management of updates.
• Always back up the vCenter Server before applying patches.

• Use the VMware Update Manager (VUM) for automated patch management.

• Review the release notes for compatibility and known issues before patching.

• Test patches in a staging environment before applying them to production.

• To rollback, use the backu...read more
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Q4. Host patches update and Rollback Process
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The host patch update and rollback process ensures system stability and security in VMware environments.
• 1. Check for available patches using VMware Update Manager (VUM).

• 2. Schedule maintenance windows to apply patches to minimize downtime.

• 3. Create a snapshot of the host before applying patches for easy rollback.

• 4. Apply patches and monitor the process for any errors.

• 5. If issues arise, use the snapshot to revert to th...read more
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Q5. Vmotion Backend Process
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Q6. What is Memory ballooning?
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Memory ballooning is a memory reclamation technique used in virtualization to reclaim memory from virtual machines.
• Memory ballooning is a technique used by hypervisors to reclaim memory from virtual machines by inflating or 'ballooning' a balloon driver inside the guest OS.

• The hypervisor can then allocate this reclaimed memory to other virtual machines that need it more.

• Memory ballooning is typically used when the host...read more
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Q7. Cluster is Down ? How to fix
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Check for underlying issues, restart services, verify network connectivity, review logs, escalate if necessary.
• Check for any underlying issues that may have caused the cluster to go down

• Restart the necessary services related to the cluster

• Verify network connectivity between the cluster nodes

• Review logs for any error messages or warnings

• Escalate the issue to higher level support if necessary
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Q8. Vm Migration issue?
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Vm migration issue can occur due to compatibility issues, network problems, or insufficient resources.
• Check for compatibility issues between source and target environments

• Ensure network connectivity and bandwidth are sufficient for migration

• Verify that there are enough resources (CPU, memory, storage) available for the migration

• Consider using migration tools like VMware vMotion or Storage vMotion

• Troubleshoot any errors...read more
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Q9. PSOD Issues ? How to fix?
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PSOD stands for Purple Screen of Death. It is a critical error in VMware that requires troubleshooting to fix.
• Check for hardware issues such as faulty memory or CPU

• Review system logs for any error messages leading up to the PSOD

• Update VMware ESXi to the latest version

• Check for compatibility issues with hardware or software

• Contact VMware support for further assistance
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Q10. What is Vm kernel?
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The Vm kernel is a Unix-like operating system that runs on the physical hardware and manages the virtual machines on a VMware host.
• It is a thin layer of software that runs directly on the host hardware to enable multiple operating systems to run on a single physical server.

• It is responsible for managing the physical resources of the host machine and providing a platform for virtual machines to run.

• The Vm kernel is high...read more
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Q11. Different between VSS and Distributed Switch?
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VSS is a virtual switch that operates at the host level, while Distributed Switch is a single switch that spans multiple hosts.
• VSS is specific to each host, while Distributed Switch is shared across multiple hosts.

• VSS is managed at the host level, while Distributed Switch is managed centrally.

• Distributed Switch allows for centralized network configuration and monitoring.

• VSS is limited to the host's physical NICs, while...read more
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Q12. Explain Thin and Thick provisioning?
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Thin provisioning allocates storage space on demand, while thick provisioning allocates all space upfront.
• Thin provisioning only uses space as data is written, maximizing storage efficiency.

• Thick provisioning allocates all space upfront, ensuring immediate availability but potentially wasting space.

• Thin provisioning is more flexible and allows for overcommitting storage resources.

• Thick provisioning is more suitable for...read more
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Q13. Different between Template and Clone?
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Template is a master copy used to create multiple identical VMs, while Clone is a copy of an existing VM.
• Template is a blueprint for creating VMs, while Clone is a duplicate of an existing VM.

• Templates are used for deploying multiple VMs with the same configuration, while Clones are used for creating copies of specific VMs.

• Templates are typically read-only, while Clones can be modified independently.

• Clones retain the s...read more
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Q14. Virtual machine is orphaned Status?
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Orphaned status means the virtual machine is no longer associated with its parent resource pool or host.
• Orphaned virtual machines can occur when a host fails or when a VM is manually removed from a resource pool.

• Orphaned VMs can still consume resources and may need to be manually removed from the inventory.

• To resolve orphaned status, the VM can be re-registered with a host or resource pool.
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Q15. Virtual machine inaccessible?
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Virtual machine may be inaccessible due to various reasons such as network issues, configuration errors, or resource constraints.
• Check network connectivity to the virtual machine

• Verify that the virtual machine is powered on

• Ensure that the virtual machine's configuration is correct

• Check for resource constraints such as CPU or memory usage

• Review logs for any error messages or warnings
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Q16. What is TPM and explain?
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TPM stands for Trusted Platform Module, a hardware-based security feature that stores cryptographic keys and provides secure boot capabilities.
• TPM is a microchip that is typically installed on the motherboard of a computer or server.

• It provides hardware-based security functions such as secure boot, key storage, and encryption.

• TPM helps ensure the integrity of the system by verifying that it has not been tampered with.

• I...read more
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Q17. What is admission control ?
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Admission control is a feature in Vmware that ensures resources are available for virtual machines during failover or migration.
• Admission control prevents virtual machines from being powered on if it would violate resource constraints

• It helps maintain high availability by ensuring that there are enough resources available for failover

• Admission control policies include slot policy, dedicated failover hosts, and resource...read more
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Q18. What are protocol used for Storage?
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Protocols used for Storage include iSCSI, Fibre Channel, NFS, and SMB.
• iSCSI (Internet Small Computer System Interface)

• Fibre Channel

• NFS (Network File System)

• SMB (Server Message Block)
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Q1. What do you believe is the role of Human Resources (HR)?
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HR plays a crucial role in managing talent, fostering workplace culture, and ensuring compliance within an organization.
• Talent Acquisition: HR is responsible for recruiting and selecting the right candidates, ensuring a good fit for the company culture.

• Employee Development: HR facilitates training programs to enhance employee skills and career growth, such as leadership workshops.

• Performance Management: HR implements p...read more
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Q2. How is the job placement opportunities in your college
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Our college has a robust placement cell that connects students with top companies, ensuring high job placement rates.
• The placement cell organizes job fairs and recruitment drives, attracting companies from various sectors.

• On average, over 80% of students secure jobs within six months of graduation.

• Alumni network plays a crucial role in job placements, providing mentorship and referrals.

• Internships are offered through t...read more
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Q3. Oppurtunities as HR
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HR offers diverse opportunities in talent management, employee engagement, and organizational development.
• Talent Acquisition: Identifying and recruiting top talent, e.g., using social media platforms for outreach.

• Employee Development: Implementing training programs to enhance skills, like leadership workshops.

• Diversity and Inclusion: Creating initiatives to promote a diverse workplace, such as mentorship programs.

• Perfo...read more
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Q4. Will you learn new technologies for the role
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Absolutely! I am eager to learn new technologies to enhance my skills and contribute effectively to the role.
• I regularly take online courses on platforms like Coursera and Udemy to stay updated with the latest HR technologies.

• For example, I recently completed a course on HR analytics tools, which helped me understand data-driven decision-making.

• I am also familiar with various HR software like Workday and BambooHR, and ...read more
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Q5. How is your college experience
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My college experience has been transformative, filled with academic growth, extracurricular involvement, and valuable networking opportunities.
• Engaged in various student organizations, such as the HR club, where I developed leadership skills by organizing workshops.

• Completed internships that provided hands-on experience in HR processes, enhancing my understanding of recruitment and employee relations.

• Participated in gr...read more
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Q1. Sccm,DLP, domain , dp server
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Q2. Windows , active directory
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