DigiAdd Administrator 1 Interview Questions and Answers

Q1. Tell me the high level overview of dataguard installation?
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Q2. What are your daily tasks adn what things you handel in your team?
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It was about an aptitude test which is on English grammar and athematic reasoning.

The Fibonacci series can be applied to alphabets, and the same should be printed.

Q1. Fibonancci series to print the alphabets?
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Q2. Print the numbers in descending order 123456?
Ans. 
Print numbers in descending order 123456
• Create an array of strings containing the numbers 1 to 6

• Sort the array in descending order

• Print the sorted array
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Q1. Why are you choosing our organization?
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I am choosing your organization because of its reputation for innovation, strong company culture, and opportunities for growth.
• Reputation for innovation in the industry

• Strong company culture that values employee development

• Opportunities for growth and advancement within the organization
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Q2. Are you open to relocation?
Ans. 
Yes, I am open to relocation for the right opportunity.
• I am willing to relocate for the right job opportunity that aligns with my career goals.

• I am open to exploring new locations and experiencing different cultures.

• I understand that relocation may be necessary for career advancement and personal growth.
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Q3. Are you comfortable with rotational shifts?
Ans. 
Yes, I am comfortable with rotational shifts as I have prior experience working in such shifts.
• I have previous experience working in rotational shifts at my previous job.

• I am adaptable and can easily adjust my schedule to accommodate rotational shifts.

• I understand the importance of being available during different shifts to ensure smooth operations.

• I am willing to work in rotational shifts to support the team and meet
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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. 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?
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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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Q1. Explain about patch management in Linux
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Q2. After patching what are the issues you faced. How did you troubleshoot those issues.
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Q1. BGP and ospf and vlan
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Q2. VSS and stacking switch
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Q1. BGP in depth ospf and vlan
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Q2. Vss and switch stacking switch routing
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Q1. Previous job related
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Q2. Salary expeartation
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Q3. Self introduction
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Q4. Communication skills
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