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TCS Network Security Engineer Interview Questions and Answers

Updated 27 Mar 2024

TCS Network Security Engineer Interview Experiences

2 interviews found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
-

I applied via Naukri.com and was interviewed in Feb 2024. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Networking basics
Round 2 - HR 

(1 Question)

  • Q1. HR discussions took place
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
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 

(2 Questions)

  • Q1. What is VLAN and their use
  • Ans. 

    VLAN stands for Virtual Local Area Network. It is a logical grouping of network devices that share the same broadcast domain.

    • VLANs are used to improve network performance, security, and management.

    • They allow network administrators to segment a large network into smaller, more manageable subnetworks.

    • Each VLAN has its own broadcast domain, which reduces network congestion and improves performance.

    • VLANs can also be used t...

  • Answered by AI
  • Q2. What is STP and their use
  • Ans. 

    STP stands for Spanning Tree Protocol. It is used to prevent loops in a network and ensure redundancy.

    • STP is a protocol used in network switches to prevent loops in a network.

    • It ensures that there is only one active path between any two network devices.

    • STP blocks redundant paths to prevent loops and ensures network redundancy.

    • STP is important for network stability and preventing broadcast storms.

    • Examples of STP variant...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Please focus on practical questionnaire and try to solve more and more problems from YouTube

Skills evaluated in this interview

Network Security Engineer Interview Questions Asked at Other Companies

Q1. which protocols are used in transport layer of the OSI model?
asked in AT&T
Q2. What is difference between phase of site to site vpn?
Q3. What is Network Protocols Like FTP, SSH, SSL, RDP, HTTPS....
Q4. Tell me about something your last troubleshooting in a network se ... read more
asked in BT Group
Q5. How to configure firewall from scratch and what will the first st ... read more

Network Security Engineer Jobs at TCS

View all

Interview questions from similar companies

I applied via Naukri.com and was interviewed in Mar 2022. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Question related to networking
Round 2 - HR 

(1 Question)

  • Q1. What are your salary expectations?

Interview Preparation Tips

Interview preparation tips for other job seekers - Great place to work. Interview is good.

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

Interview Questionnaire 

1 Question

  • Q1. Palo alto packet flow , Virtual sys, how to upgrade paloalto firewall? Sp3 Architecture, source nat and destination nat , security policy , panorama , vpn tunnel , sequence no , three way handshake , glob...

Interview Preparation Tips

Interview preparation tips for other job seekers - I applied online and got shortlisted for the online interview. Interviewer was very good and he started from the basics and later he asked some difficult questions . All the question were specifically from paloalto firewall It was little difficult interview for me as I was not prepared.

I applied via Referral and was interviewed in Jun 2021. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Complete switching upto ccnp level and basics of routing, eigrp, ospf and bgp

Interview Preparation Tips

Interview preparation tips for other job seekers - If one has to give interview in Mindtree.. the person must be fully prepared with complete thorough concepts and commands
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. How to establish a VLAN
  • Ans. 

    VLANs are established by configuring network switches to group devices into separate virtual networks.

    • Access the switch's configuration interface

    • Create VLANs and assign ports to each VLAN

    • Configure VLAN trunks for inter-VLAN communication

    • Implement VLAN tagging if necessary

    • Test connectivity and ensure proper segregation

  • Answered by AI
  • Q2. How many OSI Layers
  • Ans. 

    There are 7 OSI layers in the OSI model.

    • There are 7 layers in the OSI (Open Systems Interconnection) model: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

    • Each layer has specific functions and protocols that help in the communication process.

    • For example, the Physical layer deals with the physical connection between devices, while the Application layer is responsible for user interfaces

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. 5 round they have conducted for Our role. Focus of Core concepts Logical reasoning

I applied via Recruitment Consulltant and was interviewed before Sep 2021. 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 

(4 Questions)

  • Q1. Secure XL, cluster xl and core xl
  • Q2. Ipsec vpn and Ike 1 Vs Ike 2
  • Ans. 

    IKEv2 is more secure and efficient than IKEv1 for IPsec VPN.

    • IKEv2 supports more secure encryption algorithms and has better resistance to attacks.

    • IKEv2 has faster negotiation and rekeying times, improving performance.

    • IKEv2 allows for more flexibility in terms of authentication methods.

    • IKEv1 is still widely used and supported, but IKEv2 is recommended for new deployments.

    • Both IKEv1 and IKEv2 are used to establish a secu...

  • Answered by AI
  • Q3. Os upgrade process in distribute mode
  • Ans. 

    Upgrading OS in distributed mode requires careful planning and execution.

    • Ensure compatibility of new OS with existing hardware and software

    • Create a backup of all important data before starting the upgrade process

    • Test the upgrade process in a non-production environment first

    • Schedule the upgrade during a maintenance window to minimize disruption

    • Monitor the upgrade process closely and have a rollback plan in case of issue

  • Answered by AI
  • Q4. Manual nat and automatic nat

Interview Preparation Tips

Topics to prepare for Wipro Network Security Engineer interview:
  • Ccsa
Interview preparation tips for other job seekers - Read more about sic and Checkpoint demon

Skills evaluated in this interview

I applied via AmbitionBox and was interviewed in Feb 2022. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Network Security related questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Hope future will be bright in this company
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

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

Round 1 - Technical 

(1 Question)

  • Q1. Technical round with basics questions on OSI, routing, NAT, DHCP, DNS, scenario based, fortigate application control, packet flow, VPN
Round 2 - HR 

(1 Question)

  • Q1. Salaries, rotating shifts, notice period negotiations.

Interview Preparation Tips

Interview preparation tips for other job seekers - It was overall very good experience with very helpfull HRs in overall hiring process.
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TCS Interview FAQs

How many rounds are there in TCS Network Security Engineer interview?
TCS interview process usually has 2 rounds. The most common rounds in the TCS interview process are Technical, Resume Shortlist and HR.
How to prepare for TCS Network Security Engineer 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 TCS. The most common topics and skills that interviewers at TCS expect are Network Security, Firewall, Fortigate, Checkpoint and Checkpoint Firewall.
What are the top questions asked in TCS Network Security Engineer interview?

Some of the top questions asked at the TCS Network Security Engineer interview -

  1. What is VLAN and their ...read more
  2. What is STP and their ...read more
  3. HR discussions took pl...read more

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TCS Network Security Engineer Interview Process

based on 2 interviews

Interview experience

4
  
Good
View more
TCS Network Security Engineer Salary
based on 501 salaries
₹3.8 L/yr - ₹14.1 L/yr
13% more than the average Network Security Engineer Salary in India
View more details

TCS Network Security Engineer Reviews and Ratings

based on 39 reviews

3.6/5

Rating in categories

3.6

Skill development

3.6

Work-life balance

2.9

Salary

4.5

Job security

3.6

Company culture

2.9

Promotions

3.4

Work satisfaction

Explore 39 Reviews and Ratings
Network Security Engineer

Bangalore / Bengaluru

5-10 Yrs

₹ 9.5-14.3 LPA

Network Security Engineer

Noida,

Gurgaon / Gurugram

+1

5-10 Yrs

₹ 5.5-19 LPA

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