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Tata Communications Associate Engineer Interview Questions and Answers for Experienced
9 Interview questions
Use alternative network troubleshooting methods like traceroute, netstat, nslookup, and checking firewall rules.
Use traceroute to identify the path taken by packets and locate any network issues.
Use netstat to check for open ports and connections.
Use nslookup to verify DNS resolution.
Check firewall rules to ensure they are not blocking traffic.
Use packet capture tools like Wireshark to analyze network traffic.
Chec...
Floating routing is a technique used to route traffic between two networks without a direct physical connection.
It involves creating a virtual interface on each network and configuring them to communicate with each other.
This can be done using protocols such as GRE or IPsec.
Floating routing can be useful in scenarios where a direct physical connection is not possible or desirable, such as connecting two data cente...
Reverse lookup is the process of finding the hostname associated with a given IP address.
It is commonly used in network troubleshooting.
It can be performed using the 'nslookup' command in the command prompt.
Reverse lookup is the opposite of forward lookup, which finds the IP address associated with a given hostname.
MAC stands for Media Access Control. It is a unique identifier assigned to network interfaces for communication.
MAC address is a 48-bit address assigned to network devices.
It is used to identify devices on a network.
MAC addresses are assigned by the manufacturer and cannot be changed.
MAC filtering is a security feature that allows or denies access to a network based on MAC addresses.
Example: 00:1A:2B:3C:4D:5E is a...
An IP address is a unique numerical identifier assigned to every device connected to the internet.
IP stands for Internet Protocol
IP addresses are used to identify devices on a network
There are two types of IP addresses: IPv4 and IPv6
IPv4 addresses are 32-bit numbers and IPv6 addresses are 128-bit numbers
Example of IPv4 address: 192.168.0.1
Example of IPv6 address: 2001:0db8:85a3:0000:0000:8a2e:0370:7334
SDH stands for Synchronous Digital Hierarchy, a standard for transmitting digital signals over optical fiber networks.
SDH is used for high-speed communication in telecommunications networks.
It is a standardized protocol for transmitting digital signals at different rates.
SDH is used to multiplex different signals onto a single fiber optic cable.
It provides a reliable and efficient way to transmit data over long di...
OTN stands for Optical Transport Network, a high-speed network technology used for transmitting large amounts of data over optical fibers.
OTN is a standardized protocol for optical networking
It uses wavelength division multiplexing (WDM) to increase bandwidth
OTN supports different types of traffic, including voice, video, and data
It provides features like error correction, fault management, and network resilience
O...
BGP stands for Border Gateway Protocol. It is a routing protocol used to exchange routing information between different networks on the internet.
BGP is used to connect different autonomous systems (AS) on the internet.
It is a path-vector protocol that selects the best path for data to travel between networks.
BGP is used by internet service providers (ISPs) to connect to each other and exchange routing information.
...
PSTN is a traditional telephone network that uses copper wires to transmit analog voice data.
PSTN stands for Public Switched Telephone Network
It is a circuit-switched network that uses analog signals
It is being replaced by digital networks like VoIP
Examples of PSTN services include landline phones and fax machines
Tata Communications Associate Engineer Interview Experiences for Experienced
6 interviews found
Anonymous
Selected
I applied via Recruitment Consulltant and was interviewed in Nov 2022. There were 2 interview rounds.
(4 Questions)
- Q1. Deep knowledge of routing and switching configuration and troubleshooting as well
- Q2. What is floating routing and how we can configure it
- Ans.
Floating routing is a technique used to route traffic between two networks without a direct physical connection.
It involves creating a virtual interface on each network and configuring them to communicate with each other.
This can be done using protocols such as GRE or IPsec.
Floating routing can be useful in scenarios where a direct physical connection is not possible or desirable, such as connecting two data centers.
Co...
- Q3. What is reverse lookup
- Ans.
Reverse lookup is the process of finding the hostname associated with a given IP address.
It is commonly used in network troubleshooting.
It can be performed using the 'nslookup' command in the command prompt.
Reverse lookup is the opposite of forward lookup, which finds the IP address associated with a given hostname.
- Q4. How to tshoot when you are not going to ping?
- Ans.
Use alternative network troubleshooting methods like traceroute, netstat, nslookup, and checking firewall rules.
Use traceroute to identify the path taken by packets and locate any network issues.
Use netstat to check for open ports and connections.
Use nslookup to verify DNS resolution.
Check firewall rules to ensure they are not blocking traffic.
Use packet capture tools like Wireshark to analyze network traffic.
Check sys...
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Referral and was interviewed before Nov 2022. There were 2 interview rounds.
(3 Questions)
- Q1. Interview , 1 ,they will take from any one reference means no questions direct place ment ( offrole) 2 you should worked in under their team as a vendor Field engineer then only your team member will co...
- Q2. Only discussion
- Q3. Where you worked before
Interview Preparation Tips
I applied via Referral and was interviewed in Jun 2021. There were 3 interview rounds.
Interview Questionnaire
6 Questions
- Q1. What is SDH?
- Q2. SDH is synchronised digital hararachy in SDH we can mapped 40g but due to some error only we can mapped 10g.
- Q3. What is OTN?
- Q4. OTN is a optical tarnsport network..we can travel SDH+video+10g etharnal by one fiber.we can maaped in OTN 100g.
- Q5. What is BGP?
- Ans.
BGP stands for Border Gateway Protocol. It is a routing protocol used to exchange routing information between different networks on the internet.
BGP is used to connect different autonomous systems (AS) on the internet.
It is a path-vector protocol that selects the best path for data to travel between networks.
BGP is used by internet service providers (ISPs) to connect to each other and exchange routing information.
It is...
- Q6. BGP is border gateway protocol when we connect two autonomous system number so we use BGP.
Interview Preparation Tips
Skills evaluated in this interview
Selected
I appeared for an interview before May 2022.
(3 Questions)
- Q1. 1 What is PSTN? 2 what is OSI model? Explain in brief.
- Ans.
PSTN is a traditional telephone network that uses copper wires to transmit analog voice data.
PSTN stands for Public Switched Telephone Network
It is a circuit-switched network that uses analog signals
It is being replaced by digital networks like VoIP
Examples of PSTN services include landline phones and fax machines
- Q2. What IP Address?
- Ans.
An IP address is a unique numerical identifier assigned to every device connected to the internet.
IP stands for Internet Protocol
IP addresses are used to identify devices on a network
There are two types of IP addresses: IPv4 and IPv6
IPv4 addresses are 32-bit numbers and IPv6 addresses are 128-bit numbers
Example of IPv4 address: 192.168.0.1
Example of IPv6 address: 2001:0db8:85a3:0000:0000:8a2e:0370:7334
- Q3. What is MAC? Explain in brief.
- Ans.
MAC stands for Media Access Control. It is a unique identifier assigned to network interfaces for communication.
MAC address is a 48-bit address assigned to network devices.
It is used to identify devices on a network.
MAC addresses are assigned by the manufacturer and cannot be changed.
MAC filtering is a security feature that allows or denies access to a network based on MAC addresses.
Example: 00:1A:2B:3C:4D:5E is a MAC ...
Skills evaluated in this interview
I applied via Recruitment Consultant and was interviewed in Jun 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. About our work experience which I was doing in my previous company
Interview Preparation Tips
I applied via Referral and was interviewed in Dec 2019. There were 3 interview rounds.
Interview Questionnaire
3 Questions
- Q1. 1. will ask about Basic networking.
- Q2. 2.Will ask you about yours final year project.
- Q3. 3. They will ask you some stream related questions.
Interview Preparation Tips
Top trending discussions
Interview questions from similar companies
I applied via Walk-in and was interviewed before Jul 2021. There were 3 interview rounds.
Exam through online test
(1 Question)
- Q1. Question related to optical fibre
Interview Preparation Tips
I appeared for an interview in Dec 2016.
Interview Questionnaire
10 Questions
- Q1. Antennas, Types, and working
- Ans.
Antennas are devices used to transmit and receive electromagnetic waves. They come in various types and have different working principles.
Antennas are used in various applications such as radio and television broadcasting, wireless communication, radar systems, and satellite communication.
Types of antennas include dipole antennas, loop antennas, patch antennas, parabolic antennas, and Yagi-Uda antennas.
Antennas work by...
- Q2. Need of 5G
- Ans.
5G is needed to support the increasing demand for high-speed, low-latency connectivity and enable the development of advanced technologies.
Faster data speeds: 5G offers significantly faster download and upload speeds compared to previous generations of wireless technology.
Low latency: 5G reduces the delay between sending and receiving data, enabling real-time communication and supporting applications like autonomous ve...
- Q3. 4G technology
- Q4. How call transfers to a different operator
- Ans.
Call transfers to a different operator involve redirecting the call from one operator to another.
Call transfer can be initiated by the caller or the current operator.
The caller can request a transfer by providing the desired operator's extension or department.
The current operator can transfer the call by using a transfer button or dialing the desired operator's extension.
During the transfer, the caller may be put on ho...
- Q5. Equalization techniques
- Q6. Describe yourself
- Ans.
I am a dedicated and detail-oriented engineer with a passion for problem-solving and continuous learning.
Dedicated and hardworking
Detail-oriented and organized
Passionate about problem-solving
Continuous learner
- Q7. About the company
- Q8. Family background
- Q9. Why you
- Ans.
I am passionate about engineering and have a strong desire to contribute to innovative projects.
Passion for engineering and technology
Desire to contribute to innovative projects
Strong problem-solving skills
Ability to work well in a team
Continuous learning and improvement mindset
- Q10. Have you face any situation where all doors are closed and there is no way to go through and if have then how did you make through
- Ans.
Yes, I once faced a situation where all doors were closed and had to think creatively to find a solution.
Stay calm and assess the situation
Look for alternative routes or options
Seek help from others if possible
Consider unconventional solutions
Stay persistent and determined to find a way through
Interview Preparation Tips
Experience: This round was conducted by cocubes consists of 45 question all are simple. each section has own cut off so be prepared to cross the cut off and get shortlisted
Tips: for this round you need to through R.S Agrawal's book and understand its concept
Duration: 45 minutes
Total Questions: 45
Round: Technical Interview
Experience: this round was tough half of the student got rejected so be prepared to face these kinds of question
Tips: for this round read Digital communication &Telecommunication as well and leave rest to luck
Round: HR Interview
Experience: this round is totally behavioural based your gesture and communication can impress the interviewer
Tips: be cool be original and do your best but be little bit diplomatic while interviwing
College Name: Jaypee University of Information Technology, Solan
I appeared for an interview in Mar 2017.
Interview Questionnaire
8 Questions
- Q1. Basics of networking
- Q2. Data structures
- Q3. Sql
- Q4. Introduction
- Q5. Final year project
- Q6. Why should I hire you?
- Ans.
I have the technical skills, experience, and passion to deliver high-quality software solutions.
I have a strong background in programming languages such as Java, Python, and C++.
I have experience working on complex software projects and collaborating with cross-functional teams.
I am passionate about staying up-to-date with the latest technologies and trends in software development.
I am a quick learner and have a strong...
- Q7. Why Ericsson?
- Ans.
Ericsson is a global leader in telecommunications technology with a strong focus on innovation and career development.
Global leader in telecommunications technology
Strong focus on innovation
Opportunities for career development
- Q8. About relocation
Interview Preparation Tips
Experience: The test which I wrote was based on cocubes. quants was easy, one can easily score 50 percent if they refer rs agarwal and logical was easy but it takes more time and verbal was neither easy nor tough. One thing I want to advice try doing verbal first so that u can save time and then go to quant and logical. After the test we got the results out of 160 students 51 cleared the test. I was one among them.
Duration: 45 minutes
Total Questions: 45
Round: Technical Interview
Experience: Keep ur cool in the technical. people are friendly. Think before you answer twice they may ask u puzzles as well. So be prepared for it. Final year project is a must, they are gonna ask u the details how you implement stuffs in your project. After my technical out of 51 students around 30 cleared this round. I was one among them.
Round: HR Interview
Experience: Don't be scared guys. Hr is just a casual one. finally around 15 were selected from my college including me. I am very happy with the result. best of luck guys. Do well!!!
Tips: Keep your cool. stay confident that's all I can tell. Once you clear technical one can easily clear Hr round.
Skills: Communication, Technical Skill
College Name: JSS Academy of Technical Education - JSSATE
Shubham Chandra
I appeared for an interview before Sep 2016.
Interview Questionnaire
16 Questions
- Q1. On what technology you have worked?
- Ans.
I have worked on various technologies including Java, Python, AWS, Docker, and Kubernetes.
Java
Python
AWS
Docker
Kubernetes
- Q2. Case studies of daily operational activities?
- Q3. What is project management?
- Ans.
Project management is the process of planning, organizing, and overseeing the execution of a project from start to finish.
It involves defining project goals and objectives
Creating a project plan and timeline
Assigning tasks and responsibilities to team members
Monitoring progress and making adjustments as needed
Ensuring that the project is completed on time, within budget, and meets the desired quality standards
Examples ...
- Q4. What is financial and cost control during project management?
- Q5. What is resource management?
- Ans.
Resource management is the process of planning, allocating, and optimizing resources to achieve organizational goals.
It involves identifying the resources needed for a project or task
Allocating those resources in an efficient manner
Monitoring and controlling resource usage to ensure optimal performance
Examples include managing personnel, finances, equipment, and time
Effective resource management can lead to increased p...
- Q6. What is 2G , 3G, 4G call flow?
- Q7. What is single RAN?
- Ans.
Single RAN is a network architecture that allows multiple wireless technologies to be supported on a single physical network.
Single RAN stands for Single Radio Access Network.
It enables multiple wireless technologies such as 2G, 3G, 4G, and 5G to be supported on a single physical network.
This reduces the need for multiple hardware and software components, resulting in cost savings and simplified network management.
Sing...
- Q8. What is VOLTE?
- Ans.
VOLTE stands for Voice over LTE. It is a technology that allows voice calls to be made over a 4G LTE network.
VOLTE uses IP packets to transmit voice calls over the LTE network
It provides better call quality and faster call setup times compared to traditional 2G/3G networks
VOLTE also allows for simultaneous voice and data usage on the same network
Examples of VOLTE-enabled devices include iPhone 6 and above, Samsung Gala...
- Q9. Difference between LTE & VOLTE?
- Ans.
LTE is a standard for wireless broadband communication while VoLTE is a technology that enables voice calls over LTE network.
LTE stands for Long-Term Evolution and is a standard for wireless broadband communication.
VoLTE stands for Voice over LTE and is a technology that enables voice calls over LTE network.
LTE is used for data transfer while VoLTE is used for voice calls.
VoLTE provides better call quality and faster c...
- Q10. What is transport network?
- Q11. Difference between ABIS over IP and ABIS over TDM?
- Q12. Basic architecture of 2G , 3G & 4G?
- Ans.
2G, 3G, and 4G are mobile network technologies with different architectures.
2G uses circuit-switched technology and is primarily used for voice calls and text messaging.
3G uses packet-switched technology and offers faster data transfer rates than 2G.
4G uses all-IP packet-switched technology and provides even faster data transfer rates than 3G.
4G also supports advanced features like VoLTE and carrier aggregation.
Each ge...
- Q13. Introduce yourself?
- Ans.
I am a Senior engineer with 10+ years of experience in software development, specializing in backend systems and cloud technologies.
10+ years of experience in software development
Specialize in backend systems and cloud technologies
Strong problem-solving skills
Experience with large-scale distributed systems
Proficient in programming languages such as Java, Python, and Go
- Q14. What are the experiences of your previous companies?
- Ans.
I have worked in various companies ranging from startups to large corporations, gaining experience in diverse technologies and industries.
Worked in a startup where I was responsible for developing a scalable backend system using Node.js and MongoDB.
At a mid-sized company, I led a team in implementing CI/CD pipelines for faster and more reliable software delivery.
In a large corporation, I worked on optimizing performanc...
- Q15. Why do you want to join this company?
- Ans.
I am impressed by the company's innovative projects and strong reputation in the industry.
Company's reputation for cutting-edge technology
Opportunity to work on challenging projects
Positive reviews from current employees
- Q16. What is your notice period? Is it negotiable or not?
- Ans.
My notice period is currently 3 months, but it may be negotiable depending on the circumstances.
My current notice period is 3 months
I am open to negotiation depending on the circumstances
I can provide examples of when I have negotiated notice periods in the past
Interview Preparation Tips
Experience: Submitted resume online through portal and received the call. Technical Telephonic interview was scheduled.
Tips: Resume should be as per the desired profile.
Round: Technical Interview
Experience: In this round interviewer asks basic technical questions based on the previous experiences that was mentioned in my resume.
Tips: Study all the points mentioned in the resume very deeply.
Round: Technical Interview
Tips: Given your answers to the point. It should be in brief .
Round: HR Interview
Tips: Conversation should be in proper communication. Try to convince the HR for joining. Negotiate the salary as per the profile offered to you.
Skills: Technical Skill, Communication And Confidence, Team Working Ability
Skills evaluated in this interview
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Overall Interview Experience Rating
based on 3 interview experiences
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Tata Communications Associate Engineer Reviews and Ratings
based on 167 reviews
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