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Cognizant Linux Administrator Interview Questions, Process, and Tips

Updated 20 Sep 2023

Top Cognizant Linux Administrator Interview Questions and Answers

  • Q1. What is LVM, Explain LVM Architecture, What is Raid, What is the booting process of RHEL, How to manage failed unmount or mount, What are the issues you have faced in wor ...read more
  • Q2. How to check Kernel and OS Version, How to change file permissions, Whar are the default permissions of few files, In which file user id and password stored, Network conf ...read more
  • Q3. Where do we store syslog file in linux and what are the different type of filesystems in linux
View all 7 questions

Cognizant Linux Administrator Interview Experiences

7 interviews found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Sep 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Do not use an unprofessional email address such as cool_boy@email.com. It shows a lack of professionalism by the candidate.
View all Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. How to check Kernel and OS Version, How to change file permissions, Whar are the default permissions of few files, In which file user id and password stored, Network configuration stored in which file, How...
  • Ans. 

    To check Kernel and OS Version, change file permissions, view default permissions of files, locate user id and password file, find network configuration file, and filter keywords.

    • To check Kernel and OS Version: Use 'uname -a' command

    • To change file permissions: Use 'chmod' command followed by permission code and file name

    • Default permissions of few files: For example, /etc/passwd has 644 permissions

    • User id and password s...

  • Answered by AI
  • Q2. What is LVM, Explain LVM Architecture, What is Raid, What is the booting process of RHEL, How to manage failed unmount or mount, What are the issues you have faced in working with Linux Servers, What is sp...
  • Ans. 

    LVM is Logical Volume Manager used for managing disk space, RAID is Redundant Array of Independent Disks for data protection, RHEL boot process involves BIOS, GRUB, kernel loading, and init process.

    • LVM allows for dynamic resizing of logical volumes without downtime.

    • RAID combines multiple disks for data redundancy or performance improvement.

    • RHEL boot process involves BIOS POST, GRUB bootloader, kernel loading, and init ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Clear your basics.

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. Baasics of Linux
  • Ans. 

    Linux is an open-source operating system based on Unix, known for its stability, security, and flexibility.

    • Linux is open-source, meaning its source code is freely available for anyone to use, modify, and distribute.

    • Linux is based on Unix, which is a powerful and stable operating system used in servers and mainframes.

    • Linux is known for its security features, such as user permissions and access control.

    • Linux is highly cu...

  • Answered by AI
  • Q2. Shel script and commands

Skills evaluated in this interview

Linux Administrator Interview Questions Asked at Other Companies

asked in Cognizant
Q1. What is LVM, Explain LVM Architecture, What is Raid, What is the ... read more
asked in TCS
Q2. What is lvm, repo, softlink hardlink, NTP, nfs, apache, and linux ... read more
asked in Accenture
Q3. How to scan if new hard is attached to a system
asked in Cognizant
Q4. How to check Kernel and OS Version, How to change file permission ... read more
Q5. what is DNS, what is a raid, how do you optimize disk space, what ... read more
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Dec 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. What is lun and how to extend and reduce them
  • Ans. 

    LUN stands for Logical Unit Number, used to represent a logical volume on a storage area network (SAN).

    • LUNs are virtual disks created on a SAN storage system.

    • To extend a LUN, you can use tools like LVM (Logical Volume Manager) to add more physical storage to the existing LUN.

    • To reduce a LUN, you can shrink the filesystem on the LUN and then shrink the LUN itself using storage management tools.

  • Answered by AI
  • Q2. Where do we store syslog file in linux and what are the different type of filesystems in linux
  • Ans. 

    Syslog files are stored in /var/log directory. Different types of filesystems in Linux include ext4, xfs, btrfs, and more.

    • /var/log directory is the default location for storing syslog files

    • Different types of filesystems in Linux include ext4, xfs, btrfs, etc.

    • ext4 is the default filesystem for most Linux distributions

    • xfs is commonly used for large-scale storage systems

    • btrfs is known for its advanced features like snapsh

  • Answered by AI

Skills evaluated in this interview

I was interviewed in Oct 2022.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all Resume tips
Round 2 - Assignment 

I will do the Assignment for the topics are the

Round 3 - Technical 

(2 Questions)

  • Q1. What is linux , crontab
  • Ans. 

    Linux is an open-source operating system based on Unix. Crontab is a tool used to schedule tasks in Linux.

    • Linux is highly customizable and widely used in servers and supercomputers.

    • Crontab allows users to schedule tasks to run automatically at specified times.

    • Examples of tasks that can be scheduled with crontab include backups, updates, and system maintenance.

    • Crontab uses a specific syntax to specify the time and frequ...

  • Answered by AI
  • Q2. Booting loading lvm
  • Ans. 

    Booting with LVM involves loading the LVM module and activating the logical volumes.

    • Install LVM package during OS installation

    • Create physical volumes and volume groups

    • Create logical volumes and file systems

    • Modify /etc/fstab to mount logical volumes at boot

    • Update initramfs to include LVM module

    • Activate logical volumes during boot process

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - I learned linux administrative basically learn the

Skills evaluated in this interview

Cognizant interview questions for designations

 Salesforce Administrator

 (3)

 System Administrator

 (3)

 Network Administrator

 (2)

 Unix Administrator

 (1)

 Sharepoint Administrator

 (1)

 Jira Administrator

 (1)

 Storage Administrator

 (1)

 Lead Administrator

 (1)

I applied via Company Website and was interviewed in Jan 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. What is Linux administrator
  • Ans. 

    A Linux administrator is responsible for managing and maintaining Linux-based systems.

    • Installs, configures, and updates Linux operating systems and software

    • Monitors system performance and troubleshoots issues

    • Manages user accounts and permissions

    • Implements security measures to protect systems and data

    • Automates tasks using scripting languages like Bash or Python

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Linux administrator and AWS cloud

Skills evaluated in this interview

Get interview-ready with Top Cognizant Interview Questions

I applied via Naukri.com and was interviewed in Aug 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Be strong with technical and present the same. You will got job

Interview Preparation Tips

Interview preparation tips for other job seekers - Be strong in technical and speak bold

Linux Administrator Jobs at Cognizant

View all

I applied via Naukri.com and was interviewed in Nov 2019. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. I was called for the interview to the location and the organizers didn't even respond to my queries like where do I find my person of contact.After 1.5 hours of waiting,they asked for our resume and follow...

Interview Preparation Tips

Interview preparation tips for other job seekers - This advice is for recruiter:

If you dont want to interview a person,then at least dont call them to the venue.

Interview questions from similar companies

I applied via Referral and was interviewed before Jan 2021. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Previous work related queries

Interview Preparation Tips

Interview preparation tips for other job seekers - Please prepares office and sap

I applied via Walk-in and was interviewed before Sep 2019. There were 5 interview rounds.

Interview Questionnaire 

6 Questions

  • Q1. Where do you want to see yourself after 5 years?
  • Q2. What are your preferences?
  • Q3. If given a chance on what do you want to make changes on the project if you've been assigned to achieve positive results with fewer efforts?
  • Q4. What are your expectations?
  • Q5. How do you want a corporate structure to be?
  • Q6. Why did you leave your last company?

Interview Preparation Tips

Interview preparation tips for other job seekers - Questions asked to a fresher I would expect those to be a friendly manner and allow him to speak what he can and not just the questions you ask.

I applied via Naukri.com and was interviewed in Nov 2019. There were 5 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Regarding my previous experience
  • Q2. A long lengthy order management questionnaire was given and we were asked to write 5 emails based on the order management.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident, let the interviewer know your area of expertise.
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Cognizant Interview FAQs

How many rounds are there in Cognizant Linux Administrator interview?
Cognizant interview process usually has 2-3 rounds. The most common rounds in the Cognizant interview process are Resume Shortlist, Technical and Assignment.
How to prepare for Cognizant Linux Administrator interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Cognizant. The most common topics and skills that interviewers at Cognizant expect are Linux Administration, Redhat Linux, Linux, RHCE and Linux System Administration.
What are the top questions asked in Cognizant Linux Administrator interview?

Some of the top questions asked at the Cognizant Linux Administrator interview -

  1. What is LVM, Explain LVM Architecture, What is Raid, What is the booting proces...read more
  2. How to check Kernel and OS Version, How to change file permissions, Whar are th...read more
  3. Where do we store syslog file in linux and what are the different type of files...read more

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Cognizant Linux Administrator Interview Process

based on 3 interviews

2 Interview rounds

  • Resume Shortlist Round
  • Technical Round
View more
Cognizant Linux Administrator Salary
based on 216 salaries
₹2.7 L/yr - ₹10.5 L/yr
21% more than the average Linux Administrator Salary in India
View more details

Cognizant Linux Administrator Reviews and Ratings

based on 8 reviews

4.5/5

Rating in categories

4.2

Skill development

4.1

Work-life balance

3.9

Salary

4.0

Job security

4.1

Company culture

3.9

Promotions

3.8

Work satisfaction

Explore 8 Reviews and Ratings
Linux Administrator +Ansible

Hyderabad / Secunderabad,

Chennai

+1

6-10 Yrs

Not Disclosed

Linux Administrator

Chennai

6-10 Yrs

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