Luminous Engineering & Technology Services Solar Engineer Interview Questions and Answers

Q1. Trouble shooting
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Q2. Monitoring log dob maven
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Q1. Responsible and packege and Patch management instalation Configure ldom and zone Configure ldom and dns server and dns client server Impelement raid1 raid5 Solaris volume manager
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Q1. What provider svm.
Ans. 
Provider SVM is a Solaris Volume Manager feature that allows for software mirroring of disks.
• SVM stands for Solaris Volume Manager.

• Provider SVM allows for creating mirrored volumes for data redundancy.

• It helps in improving data availability and reliability in Solaris systems.
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Q2. What is the vxvm
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vxvm stands for Veritas Volume Manager, a storage management tool used for creating, managing, and maintaining disk volumes in Solaris systems.
• Veritas Volume Manager (vxvm) is a software-based storage management tool used in Solaris systems.

• It allows for the creation, management, and maintenance of disk volumes, including RAID configurations.

• vxvm provides features such as volume snapshots, mirroring, and striping for d...read more
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Q1. What is the ldom
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LDoms (Logical Domains) are a virtualization technology in Solaris that allow you to create multiple virtual machines on a single physical server.
• LDoms allow you to partition a single physical server into multiple virtual machines, each with its own operating system instance.

• Each LDoms domain has its own resources such as CPU, memory, and storage.

• LDoms provide flexibility and resource isolation for running multiple app...read more
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Q2. How many boot phase it will explain
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There are 7 boot phases in Solaris operating system.
• There are 7 boot phases in Solaris: firmware, boot program, kernel initialization, system identification, system initialization, system configuration, and user-level initialization.

• Each boot phase plays a crucial role in the startup process of the Solaris operating system.

• Understanding the boot phases is important for troubleshooting and optimizing system performance.
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Q3. What is work run level.
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Work run level is a specific operating state in Solaris that determines which services and processes are running.
• Work run level is a specific operating state in Solaris that determines which services and processes are running.

• It is represented by a number from 0 to 6, with each level having a different set of services and processes configured to run.

• For example, run level 3 is typically used for multi-user mode with ne...read more
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Q4. What is os installation it work
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OS installation is the process of setting up an operating system on a computer or server.
• OS installation involves booting from installation media such as a CD or USB drive.

• The user follows prompts to select language, disk partitioning, and other settings.

• Once installation is complete, the OS is ready to be used.

• Examples include installing Windows, Linux, or Solaris on a computer.
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Q5. It will work ssh and tillnet
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Q6. Identify is explain ldom
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LDoms (Logical Domains) are a virtualization technology in Solaris that allows multiple virtual machines to run on a single physical server.
• LDoms provide a way to partition a single physical server into multiple virtual machines, each with its own operating system instance.

• LDoms allow for better resource utilization and isolation between virtual machines.

• LDoms can be used to consolidate workloads, improve system flexib...read more
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Q7. How to configure primary ldom
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To configure primary ldom, you need to create a primary domain and assign resources to it.
• Create a primary domain using the ldm create command

• Assign resources to the primary domain using the ldm add-vcpu, ldm add-memory, and ldm add-vnet commands

• Verify the configuration using the ldm list command
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Q8. What services ldom
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LDoms are logical domains in Solaris that provide virtualization capabilities.
• LDoms allow you to create multiple virtual machines on a single physical server.

• Each LDoms instance has its own resources and can run its own operating system.

• LDoms provide flexibility in managing resources and isolating workloads.

• Common services in LDoms include networking, storage, and virtual CPUs.
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Q9. Uese server related command ok and has prompt
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Q10. In case uesr not work how trouble troubleshoot
Ans. 
Troubleshooting user login issues in Solaris involves checking user permissions, password reset, and system logs.
• Check user permissions to ensure they have the necessary access rights

• Reset user password if necessary

• Review system logs for any error messages related to user login
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Q11. Some work zfs in work zpool trouble troubleshoot
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Q12. It will be work zfs
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Q13. How chack wwn number
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To check the wwn number, you can use commands like 'luxadm', 'prtconf', 'cfgadm', or 'format'.
• Use 'luxadm display' command to check wwn number of FC devices

• Use 'prtconf -vp' command to check wwn number of HBA

• Use 'cfgadm -al' command to check wwn number of connected devices

• Use 'format' command to check wwn number of disks
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Q14. Incase not working file system how trouble troubleshoot
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To troubleshoot a non-working file system, check for disk space, file system errors, and system logs.
• Check disk space to ensure there is enough storage available

• Check for file system errors using fsck command

• Review system logs for any error messages related to the file system

• Verify file system mount points and permissions
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Q15. How mach deamon zone it will work.
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The number of daemon zones that can work on Solaris depends on the system resources and configuration.
• The number of daemon zones that can work on Solaris is not fixed and can vary based on system resources.

• Daemon zones are lightweight virtual environments that can run applications independently.

• The number of daemon zones that can work simultaneously is limited by factors such as CPU, memory, and disk space.

• It is import...read more
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Q16. Most it work Solaris basik command work
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In general, aptitude tests measure ones competence in logical reasoning, numerical skills, or verbal ability.

Q1. What is the technical in my site ?
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Q2. What about this company ?
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Q3. What about my empolys ?
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Q4. In many cases what will be approch in this technical issus ?
Ans. 
The approach to technical issues in civil engineering often involves analyzing the problem, considering various solutions, and selecting the most feasible option.
• Identify the technical issue and its impact on the project

• Analyze the possible solutions and their pros and cons

• Consider factors such as cost, time, and resources

• Consult with team members or experts for input

• Select the most feasible solution and implement it

• Mo
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Q5. What is the technical ?
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Q1. Oops concepts php
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Q2. Aggregate function php
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Q1. HDD related Fttx
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Q1. Expected CTC Why you want to join the company
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Q1. What is cement grade?
Ans. 
Cement grade refers to the strength and quality of cement used in construction.
• Cement grade is determined by the compressive strength of cement mortar cubes after 28 days of curing.

• The most commonly used cement grades are 33, 43, and 53, indicating their respective compressive strengths in megapascals (MPa).

• Higher cement grades are used for structures that require higher strength, such as bridges and high-rise building...read more
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Q2. Opc 33, 43, 53 grads.
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Q3. The standard size of a concrete cube is 15 cm × 15 cm × 15 cm
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Yes, the standard size of a concrete cube is 15 cm × 15 cm × 15 cm.
• The standard size of a concrete cube is used for testing the compressive strength of concrete.

• The cubes are casted and cured for 28 days before testing.

• The cubes are tested using a compression testing machine.

• The compressive strength of concrete is calculated by dividing the maximum load applied to the cube by the cross-sectional area of the cube.
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Q1. What is the curing on site engineering
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Curing is the process of maintaining moisture and temperature conditions for freshly placed concrete to promote its hydration and strength gain.
• Curing is essential for the strength and durability of concrete.

• It involves keeping the concrete moist and at a proper temperature for a specific period of time.

• Curing can be done using various methods such as water curing, membrane curing, and steam curing.

• The duration of curi...read more
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Q2. What is the strength of cement
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The strength of cement depends on its grade and type.
• The strength of cement is measured in terms of compressive strength.

• The grade of cement determines its strength. Higher the grade, higher the strength.

• Type of cement also affects its strength. For example, Portland cement has higher strength than lime cement.

• The strength of cement is also influenced by factors such as curing time, temperature, and humidity.
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Q1. Related to site. What is work of site engineer & why we should select the civil site or etc.
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Q2. How can you grow our company status.
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