Yatayat Corporation of India Export Interview Questions and Answers

Q1. If a server patched with new kernel update after reboot server came up with old kernel only. How will you troubleshoot it ?
Ans. 
To troubleshoot a server that booted up with the old kernel after a new kernel update, check the bootloader configuration, verify the kernel installation, and review the update process.
• Check the bootloader configuration to ensure it is pointing to the correct kernel version.

• Verify the kernel installation to see if the new kernel was successfully installed.

• Review the update process to identify any errors or issues that ...read more
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Q2. What are the various commands to check the CPU , Memory utilization in Linux server ?
Ans. 
Various commands to check CPU and Memory utilization in Linux server.
• To check CPU utilization: top, mpstat, sar

• To check Memory utilization: free, vmstat, sar -r
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Q3. How will you create and add new disk to the system using LVM ? Write the commands of the process.
Ans. 
To add a new disk to the system using LVM, you need to initialize the disk, create a physical volume, extend the volume group, and finally extend the logical volume.
• Initialize the disk using fdisk or parted command

• Create a physical volume using pvcreate command

• Extend the volume group using vgextend command

• Extend the logical volume using lvextend command

• Resize the filesystem using resize2fs or xfs_growfs command
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Q1. Tell me about yourself
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Experienced Linux Administrator with a passion for troubleshooting and optimizing systems.
• Over 5 years of experience managing Linux servers in a corporate environment

• Skilled in shell scripting, server configuration, and system monitoring tools like Nagios

• Strong problem-solving skills and ability to work well under pressure

• Certified in Red Hat Enterprise Linux (RHCE)

• Passionate about staying up-to-date with the latest te
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Q2. Can you let us know the skills other than mentioned skills in resume?
Ans. 
Some additional skills I possess include scripting languages, troubleshooting abilities, and strong communication skills.
• Proficiency in scripting languages such as Python, Bash, or Perl can be beneficial for automating tasks and improving efficiency.

• Strong troubleshooting abilities are essential for quickly identifying and resolving issues that may arise in a Linux environment.

• Effective communication skills are importa...read more
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Q1. Self introduction
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Q2. What are your current roles and responsibilities?
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Q1. What is property and casualty insurance?
Ans. 
Property and casualty insurance provides coverage for property damage and liability risks.
• Property insurance covers damage to physical property such as homes, buildings, and personal belongings.

• Casualty insurance covers liability risks such as bodily injury or property damage caused to others.

• Examples include homeowners insurance, auto insurance, and commercial property insurance.
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Q2. What is the endorsement and policy lifecycle in insurance?
Ans. 
Endorsement and policy lifecycle in insurance involves making changes to an existing policy and managing it throughout its duration.
• Endorsements are changes made to an existing insurance policy, such as adding or removing coverage, changing policy limits, or updating personal information.

• The policy lifecycle includes the issuance of the policy, endorsements, renewals, and eventual cancellation or expiration.

• Insurance c...read more
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Q1. What is lvm how it is work?
Ans. 
LVM stands for Logical Volume Manager, a tool used to manage disk storage in Linux systems.
• LVM allows for dynamic resizing of logical volumes without downtime.

• It consists of physical volumes, volume groups, and logical volumes.

• Commands like pvcreate, vgcreate, lvcreate are used to create and manage LVM.

• LVM provides flexibility in managing storage space by allowing logical volumes to span multiple physical disks.
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Q2. How to mount nfs?
Ans. 
To mount NFS, use the 'mount' command with the NFS server IP address and the mount point on the local machine.
• Use the 'mount' command followed by the NFS server IP address and the mount point on the local machine

• For example: sudo mount 192.168.1.100:/shared_folder /mnt/nfs_share

• Ensure that the NFS server is properly configured and accessible from the local machine
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Q3. How to do patching.
Ans. 
Patching involves applying updates to software to fix vulnerabilities and improve performance.
• Identify the software that needs to be patched

• Download the appropriate patches from the vendor's website

• Test the patches in a non-production environment before applying them to production systems

• Schedule downtime for applying patches to minimize disruption

• Document the patching process for future reference
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Q4. How to rollback package
Ans. 
To rollback a package, use package manager to uninstall current version and install previous version.
• Use package manager to uninstall current version of the package

• Install the previous version of the package using package manager

• Check for any dependencies that may need to be rolled back as well
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Q5. How to remove older kernel
Ans. 
To remove older kernels in Linux, use package management tools like apt or yum.
• Use 'apt autoremove' command in Debian-based systems to remove old kernels

• Use 'yum remove ' command in Red Hat-based systems to remove old kernels

• Check available kernels with 'uname -r' command before removing
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Q1. How can I grant SFTP access exclusively to the user David?
Ans. 
Grant SFTP access exclusively to user David
• Create a new group specifically for David, e.g. 'davidgroup'

• Set the ChrootDirectory in the SSH configuration file to restrict David's access to a specific directory

• Add David to the 'davidgroup' and configure the necessary permissions for SFTP access
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Q2. How can a user be locked out after 6 unsuccessful password attempts for a duration of 30 minutes?
Ans. 
To lock a user out after 6 unsuccessful password attempts for 30 minutes, modify the PAM configuration file.
• Edit the PAM configuration file (/etc/pam.d/common-auth) to include the 'pam_tally2' module.

• Set the 'deny' option in the 'pam_tally2' module to lock the user out after 6 failed attempts.

• Specify the 'unlock_time' option in the 'pam_tally2' module to set the duration of the lockout period to 30 minutes.

• Example: aut
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Java, java Stream, spring boot, hibernate, JVM, JRE,string function annotations

Q1. What is JRE & JDK?
Ans. 
JRE stands for Java Runtime Environment, which is used to run Java applications. JDK stands for Java Development Kit, which is used to develop Java applications.
• JRE is necessary to run Java applications on a computer

• JDK is necessary to develop Java applications, as it includes tools like compiler and debugger

• JDK includes JRE, so if you have JDK installed, you also have JRE
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Q2. Nothing
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Q3. Nothinh
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Q1. Tell me something about yourself
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Q2. Mock call opening pitch
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Q3. What if you get angry customer explain how will you handle the call
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Q4. Tell me something about the area you reside in, how you spend your weekends
Ans. 
I reside in a vibrant urban neighborhood with plenty of cafes, parks, and cultural events. On weekends, I enjoy exploring new restaurants, attending art exhibits, and taking long walks in the park.
• My neighborhood is known for its diverse culinary scene, with a mix of trendy cafes and traditional eateries

• There are several parks nearby where I like to relax and read a book or have a picnic

• I often attend art exhibits and ...read more
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Q1. How to configure NFS
Ans. 
NFS can be configured by setting up the NFS server, exporting directories, and configuring client access.
• Install NFS server package on the server

• Edit /etc/exports file to specify directories to be shared

• Restart NFS service to apply changes

• Configure client access by mounting NFS shares on client machines
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Q2. How to perform patching
Ans. 
Patching involves applying updates to software to fix vulnerabilities and improve performance.
• Identify the software that needs to be patched

• Download the necessary patches from the vendor's website

• Test the patches in a non-production environment before applying them to production systems

• Schedule a maintenance window to apply the patches

• Apply the patches using tools like yum, apt-get, or Windows Update

• Verify that the pat...read more
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Q1. Salary discussion
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Q2. Location discussion
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Q1. Privious knowledge
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Q2. Tell me about your work experience in which command
Ans. 
I have over 5 years of experience in sales and have consistently exceeded targets through effective communication and relationship building.
• Managed a portfolio of key accounts, increasing revenue by 20% year over year

• Developed and implemented successful sales strategies to penetrate new markets

• Led a team of sales representatives to achieve monthly targets

• Utilized CRM software to track customer interactions and identify...read more
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