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TCS Linux Administrator Interview Questions, Process, and Tips for Experienced

Updated 21 Mar 2025

Top TCS Linux Administrator Interview Questions and Answers for Experienced

TCS Linux Administrator Interview Experiences for Experienced

5 interviews found

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in Apr 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. What is Port number of dhcp
  • Ans. 

    The port number for DHCP is 67 (server) and 68 (client).

    • DHCP server uses port 67 for incoming requests from clients

    • DHCP client uses port 68 for outgoing requests to servers

  • Answered by AI

Skills evaluated in this interview

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

I applied via Naukri.com and was interviewed before May 2023. There were 2 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. About the networking Patching Basic Linux command
Round 2 - HR 

(1 Question)

  • Q1. Normal HR questions like why you are leaving the org, where you see yourself in next 5 years, able to night shifts, salary negotiation

Linux Administrator Interview Questions Asked at Other Companies for Experienced

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 Cognizant
Q3. How to check Kernel and OS Version, How to change file permission ... read more
Q4. what is DNS, what is a raid, how do you optimize disk space, what ... read more
Q5. Patching and the process of how I do patching
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Apr 2023. There were 2 interview rounds.

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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. What is LVM, DHCP, how to set ip address in nic
  • Ans. 

    LVM is Logical Volume Manager used for managing disk storage, DHCP is Dynamic Host Configuration Protocol for assigning IP addresses, setting IP address in NIC involves configuring network settings.

    • LVM allows for dynamic resizing of logical volumes

    • DHCP automatically assigns IP addresses to devices on a network

    • To set IP address in NIC, use commands like ifconfig or ip addr

    • Example: sudo ifconfig eth0 192.168.1.100 netmas

  • Answered by AI
  • Q2. How to check running process, disk space
  • Ans. 

    To check running processes and disk space, use commands like ps, top, df, and du.

    • Use 'ps' command to display currently running processes

    • Use 'top' command to display real-time system information, including processes

    • Use 'df' command to check disk space usage on filesystems

    • Use 'du' command to check disk usage of directories

  • Answered by AI

Skills evaluated in this interview

I applied via Company Website

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 tips
Round 2 - Technical 

(1 Question)

  • Q1. Based on my previous experience
Round 3 - HR 

(1 Question)

  • Q1. Regarding Salary discussion

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on technical stuff from basic concepts on Linux technology and your experience related skills from previous project

TCS interview questions for designations

 Linux System Administrator

 (5)

 Senior Linux Administrator

 (1)

 Linux Server Administrator

 (1)

 Linux Administrator L2

 (1)

 Linux System Engineer

 (1)

 System Administrator

 (31)

 Network Administrator

 (15)

 Vmware Administrator

 (4)

I applied via Naukri.com

Interview Questionnaire 

1 Question

  • Q1. What is lvm, repo, softlink hardlink, NTP, nfs, apache, and linux task related question.
  • Ans. 

    This question covers various topics related to Linux administration.

    • LVM (Logical Volume Manager) is a tool used for managing disk space in Linux systems.

    • Repo (Repository) is a collection of software packages that can be installed on a Linux system.

    • Softlink and hardlink are types of links used in Linux file systems to create shortcuts to files or directories.

    • NTP (Network Time Protocol) is used to synchronize the system ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't be Scare about interviewer....they r also normal human being..

Skills evaluated in this interview

Interview questions from similar companies

I applied via Referral and was interviewed before Mar 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. About pointers and their types

Interview Preparation Tips

Interview preparation tips for other job seekers - Easy one so we can take with only basic knowledge

I applied via Naukri.com and was interviewed in Jan 2020. There were 3 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Normal Accounts related question like describe Depreciation, ammortization, and what do you mean by Reporting (RTR Activity).
  • Q2. Some interviewer may ask what do you mean by EBITDA as in my case be prepared for this type of bouncers as well .
  • Q3. Then they will ask you your previous work related question. In my case they ask if there is GL to SL mismatch what will you do to solve it.
  • Q4. Then why do we do depreciation of companies what is the need for it
  • Ans. 

    Depreciation is necessary to allocate the cost of an asset over its useful life.

    • Depreciation helps in matching the cost of an asset with the revenue it generates.

    • It allows for the recognition of the wear and tear, obsolescence, and loss of value of assets over time.

    • Depreciation expense reduces taxable income, resulting in tax savings for companies.

    • It helps in determining the true profitability and financial position of...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Always be confident remember it's not that the interviewer knows everything but be convincing don't say blah blah if you don't know anything .
Read the basics and if you are experienced be sure to explain every detail of how you used to do work.
Best of luck.

I applied via Naukri.com and was interviewed before Apr 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1.  About previous experience, why did I leave the job.
  • Q2. The exact reasons I have provided along with the experience.

Interview Preparation Tips

Interview preparation tips for other job seekers - Understand their question, do not give excuss answers which may prolong in other questions.

I applied via Naukri.com and was interviewed in Nov 2020. There were 5 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Questions based on the CV we kept
  • Q2. Questions related to powershell, storages, networking in azure IaaS, NSG

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare whatever u kept in CV and the basics

I applied via Job Portal and was interviewed before Jul 2021. There were 3 interview rounds.

Round 1 - Technical 

(3 Questions)

  • Q1. How do you configure and verify custom DNS in Azure AD?
  • Ans. 

    To configure and verify custom DNS in Azure AD, follow these steps:

    • Create a DNS zone in Azure DNS

    • Add a custom domain to Azure AD

    • Create a CNAME record in the DNS zone that points to the Azure AD domain

    • Verify the custom domain in Azure AD

    • Update the DNS registrar to use the Azure DNS name servers

    • Test the custom DNS by accessing Azure AD resources using the custom domain

  • Answered by AI
  • Q2. Supported authentication types in Azure AD
  • Ans. 

    Azure AD supports various authentication types for secure access to resources.

    • Azure AD supports password-based authentication, multi-factor authentication, certificate-based authentication, and federated authentication.

    • It also supports OAuth 2.0 and OpenID Connect for secure authentication and authorization.

    • Examples of supported protocols include SAML, WS-Federation, and OAuth 2.0/OpenID Connect.

    • Azure AD also supports ...

  • Answered by AI
  • Q3. Hybrid scenarios regarding Azure AD using Azure AD Connect
Round 2 - One-on-one 

(3 Questions)

  • Q1. What if someone asks you your salary?
  • Q2. How would you react if someone lured into giving up some secrets
  • Q3. Are you ready for relocation??
Round 3 - HR 

(4 Questions)

  • Q1. Salary discussion, Joining bonus discussion
  • Q2. Explanation of salary breakup in hand
  • Q3. Any gaps in education, experience explanation
  • Q4. Confirmation about previous work experiences

Interview Preparation Tips

Topics to prepare for LTIMindtree Senior Engineer interview:
  • Azure Active Directory
  • Azure
  • Deployments in Azure
Interview preparation tips for other job seekers - If they want the opening to be filled immediately, then they will anyhow select you if you have even 30% to 40% of the required skillset required for the job and good communication. If your previous experiences are from startups, then also they will consider you. But if they are willing to wait for your notice period to end and offering you desired salary, beware then they will crunch the best out of you during interviews, they will ensure that they are hiring the right person.

Skills evaluated in this interview

TCS Interview FAQs

How many rounds are there in TCS Linux Administrator interview for experienced candidates?
TCS interview process for experienced candidates usually has 2 rounds. The most common rounds in the TCS interview process for experienced candidates are Technical, Resume Shortlist and HR.
How to prepare for TCS Linux Administrator interview for experienced candidates?
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 TCS. The most common topics and skills that interviewers at TCS expect are Linux Administration, Redhat Linux, Linux, RHEL and Linux System Administration.
What are the top questions asked in TCS Linux Administrator interview for experienced candidates?

Some of the top questions asked at the TCS Linux Administrator interview for experienced candidates -

  1. What is lvm, repo, softlink hardlink, NTP, nfs, apache, and linux task related ...read more
  2. What is LVM, DHCP, how to set ip address in ...read more
  3. How to check running process, disk sp...read more

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TCS Linux Administrator Interview Process for Experienced

based on 3 interviews

Interview experience

2.7
  
Poor
View more
TCS Linux Administrator Salary
based on 946 salaries
₹2.9 L/yr - ₹12 L/yr
25% more than the average Linux Administrator Salary in India
View more details

TCS Linux Administrator Reviews and Ratings

based on 45 reviews

4.1/5

Rating in categories

4.1

Skill development

4.3

Work-life balance

3.5

Salary

4.7

Job security

4.2

Company culture

3.5

Promotions

4.0

Work satisfaction

Explore 45 Reviews and Ratings
Redhat Linux Admin, Tcs Pune

Pune

7-12 Yrs

Not Disclosed

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