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Tata Communications Interview Questions and Answers
146 Interview questions
mPLS (Multi-Protocol Label Switching) enhances network performance by directing data from one node to another based on short path labels.
mPLS is a data-carrying technique that uses labels to make data forwarding decisions.
It improves the speed and efficiency of network traffic management.
mPLS can support multiple protocols, including IP, ATM, and Frame Relay.
An example of mPLS usage is in service provider networks...
Java can determine prime numbers using loops and conditions to check divisibility by integers up to the square root of the number.
Definition of Prime: A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.
Basic Algorithm: Loop through numbers from 2 to the square root of the target number, checking if it divides evenly.
Example Code: Use a for loop to che...
I have extensive experience in selling cloud and security solutions, focusing on customer needs and tailored solutions.
Successfully closed a $500K deal with a healthcare provider by demonstrating the security benefits of our cloud solution.
Conducted webinars to educate potential clients on the importance of cloud security, resulting in a 30% increase in lead generation.
Collaborated with the technical team to creat...
I close deals over phone by building rapport, understanding needs, and effectively presenting solutions tailored to the client.
Build rapport quickly: Start with a friendly greeting and small talk to make the client comfortable.
Active listening: Ask open-ended questions to understand the client's needs and pain points, e.g., 'What challenges are you currently facing?'
Tailored solutions: Present solutions that direc...
A hub is a basic networking device that connects multiple Ethernet devices, making them act as a single network segment.
Hubs operate at the physical layer (Layer 1) of the OSI model.
They transmit data packets to all connected devices, regardless of the intended recipient.
Example: A 4-port hub connects four computers in a local area network (LAN).
Hubs are less intelligent than switches, which can direct packets to ...
A company network is a collection of interconnected devices that facilitate communication and resource sharing within an organization.
Consists of hardware like routers, switches, and servers.
Enables data sharing among employees, e.g., file servers.
Supports communication tools like email and instant messaging.
Can be local (LAN) or wide-area (WAN) networks, e.g., corporate offices connected globally.
Includes securit...
Networking is the practice of connecting computers and devices to share resources and communicate effectively.
Facilitates communication between devices, e.g., computers, printers.
Enables resource sharing, such as files and internet access.
Can be wired (Ethernet) or wireless (Wi-Fi) connections.
Supports various protocols like TCP/IP for data transmission.
Used in local area networks (LANs) and wide area networks (WA...
I admire this company's commitment to exceptional customer service and its positive impact on the community.
The company's reputation for outstanding customer service aligns with my values.
I am impressed by your community involvement, such as local charity events.
The opportunity for professional growth within the company is appealing.
I appreciate the supportive work environment that fosters teamwork.
Panel installation involves setting up electrical panels for power distribution and control in various applications.
Identify the location for panel installation, ensuring accessibility and compliance with local codes.
Mount the panel securely to a wall or structure, using appropriate fasteners.
Connect incoming power supply lines to the panel's main bus bars.
Install circuit breakers or fuses in designated slots for ...
Cables are classified into various types based on their construction, application, and insulation materials.
1. Power Cables: Used for electrical power transmission (e.g., XLPE cables).
2. Control Cables: For control circuits (e.g., PVC insulated control cables).
3. Communication Cables: For data transmission (e.g., coaxial cables, fiber optic cables).
4. Instrumentation Cables: For connecting instruments (e.g., shiel...
Tata Communications Interview Experiences
273 interviews found
Anonymous
I applied via Referral and was interviewed before Nov 2021. There were 2 interview rounds.
(2 Questions)
- Q1. What kind of device are you working on?
- Ans.
I am currently working on designing and testing a 5G small cell device.
Designing and testing a 5G small cell device
Working on optimizing the device's performance
Collaborating with cross-functional teams to ensure successful deployment
Conducting field tests to evaluate the device's capabilities
- Q2. How much gain was there?
- Ans.
Gain refers to the increase in signal strength, often measured in decibels (dB), in RF engineering.
Gain is typically expressed in decibels (dB), which is a logarithmic measure.
For example, a gain of 10 dB means the output power is 10 times greater than the input power.
In RF systems, amplifiers are used to increase gain; for instance, a low-noise amplifier (LNA) may provide 20 dB gain.
Directional antennas can also provi...
Interview Preparation Tips
Selected
I appeared for an interview in Feb 2025.
(2 Questions)
- Q1. What is voltage
- Ans.
Voltage is the electric potential difference between two points, driving current flow in a circuit.
Voltage is measured in volts (V).
It represents the energy per unit charge available to move electrons.
Example: A standard household outlet in the US provides 120V.
Higher voltage can lead to greater current flow, given a constant resistance (Ohm's Law).
Voltage can be AC (alternating current) or DC (direct current).
- Q2. Whatis the cable laying
- Ans.
Cable laying involves the installation of electrical cables for power distribution, communication, or data transmission.
Cable laying can be done underground, overhead, or underwater depending on the application.
Proper planning is essential to avoid damage to existing infrastructure.
Examples include laying power cables for substations or communication cables for internet services.
Techniques include trenching, directiona...
Technical questions only and communication
(2 Questions)
- Q1. What is the panels installation
- Ans.
Panel installation involves setting up electrical panels for power distribution and control in various applications.
Identify the location for panel installation, ensuring accessibility and compliance with local codes.
Mount the panel securely to a wall or structure, using appropriate fasteners.
Connect incoming power supply lines to the panel's main bus bars.
Install circuit breakers or fuses in designated slots for circu...
- Q2. What capacity of panel board
- Ans.
Panel board capacity refers to the maximum electrical load it can handle safely and efficiently.
Common capacities range from 100A to 4000A, depending on application.
Residential panel boards typically have capacities of 100A or 200A.
Commercial buildings may use panel boards rated from 400A to 1200A.
Industrial applications can require panel boards with capacities exceeding 4000A.
Example: A 200A panel board can support mu...
(2 Questions)
- Q1. Which type of cable is required
- Ans.
The type of cable required depends on the application, environment, and electrical specifications.
For power distribution, use XLPE or PVC insulated cables.
For data transmission, consider using CAT5e or fiber optic cables.
In hazardous environments, use armored cables for protection.
For high-frequency applications, coaxial cables are preferred.
- Q2. Which type of cable is used
- Ans.
Various cable types are used in electrical engineering, including power, control, and communication cables, each serving specific purposes.
Power cables: Used for transmitting electrical power, e.g., XLPE cables for high voltage.
Control cables: Used for control circuits, e.g., multi-core cables for automation systems.
Communication cables: Used for data transmission, e.g., Ethernet cables for networking.
Instrumentation c...
(2 Questions)
- Q1. What is isolated transformer
- Q2. Capacity
(2 Questions)
- Q1. Which type of cable is used
- Ans.
Various cable types are used in electrical engineering, each suited for specific applications and environments.
1. Power Cables: Used for transmitting electrical power; examples include XLPE and PVC insulated cables.
2. Control Cables: Designed for control circuits; examples include multi-core cables for automation systems.
3. Communication Cables: Used for data transmission; examples include coaxial cables and fiber opti...
- Q2. How many types of cables
- Ans.
Cables are classified into various types based on their construction, application, and insulation materials.
1. Power Cables: Used for electrical power transmission (e.g., XLPE cables).
2. Control Cables: For control circuits (e.g., PVC insulated control cables).
3. Communication Cables: For data transmission (e.g., coaxial cables, fiber optic cables).
4. Instrumentation Cables: For connecting instruments (e.g., shielded t...
(2 Questions)
- Q1. Location and salary
- Q2. Flexible time
(2 Questions)
- Q1. Fixed salary per annum
- Q2. 750000
Interview Preparation Tips
I appeared for an interview in Jan 2025.
(5 Questions)
- Q1. Asked about Dotnet Core Questions about Program.cs file use case, DI, Services, Architectural patterns, and jumped to Linq complex queries and SQL queries. Before that Deep analysis of background work
- Q2. Use of Program.cs
- Ans.
Program.cs is the entry point for a .NET Core application.
Contains the Main method where the application starts execution
Responsible for configuring and starting the application
Can be used to set up services, configure logging, and handle command line arguments
- Q3. Middleware and Services
- Q4. Dependency Injection
- Q5. Authentication & Authorization
(2 Questions)
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- Q2. Vsdfgdg ghsdfsd gfafdf
(2 Questions)
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- Q2. A
(1 Question)
- Q1. Aadf adf adfasd adsf
Interview Preparation Tips
Selected
I appeared for an interview in Jan 2025.
(3 Questions)
- Q1. What is networking
- Ans.
Networking is the practice of connecting computers and other devices to share resources and information.
Networking involves the design, implementation, and management of computer networks.
It allows devices to communicate with each other, share data, and access resources like printers and servers.
Examples of networking technologies include Ethernet, Wi-Fi, and TCP/IP.
Networking also includes security measures to protect...
- Q2. Explain in detail OSI model
- Ans.
The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
The OSI model stands for Open Systems Interconnection model.
It divides network communication into seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
Each layer has specific functions and interacts with adjacent layers for data transmission.
Exampl...
- Q3. What is switch and routers
- Ans.
Switches and routers are networking devices used to connect devices within a network and route data between networks.
Switches operate at the data link layer and forward data based on MAC addresses
Routers operate at the network layer and forward data based on IP addresses
Switches are used to create LANs, while routers are used to connect different networks
Switches are faster than routers in forwarding data within a netw...
Selected
I applied via Naukri.com and was interviewed in Sep 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Explain MessageQueue
- Ans.
MessageQueue is a communication system that allows different software components to communicate by sending messages asynchronously.
MessageQueue helps in decoupling different components of a system.
It allows for asynchronous communication between components.
Messages are stored in a queue until they are processed by the receiving component.
Examples include RabbitMQ, Apache Kafka, and Amazon SQS.
- Q2. Design of Loadbalancer for Kubernetes
- Ans.
Designing a Loadbalancer for Kubernetes involves using an Ingress Controller to route traffic to different services.
Use an Ingress Controller to manage external access to services within a Kubernetes cluster
Define Ingress resources to specify how incoming requests should be routed
Consider using a cloud provider's load balancer service for external traffic
Implement SSL termination and routing rules in the Ingress Contro...
(2 Questions)
- Q1. How do you perform docker migration from one machine to another machine?
- Ans.
Docker migration from one machine to another involves exporting the container as an image, transferring the image to the new machine, and then importing it.
Export the Docker container as an image using 'docker save' command
Transfer the image to the new machine using a secure method like SCP or Docker Hub
Import the image on the new machine using 'docker load' command
Run the container on the new machine using 'docker run...
- Q2. How will you handle production deployment issues?
- Ans.
I will troubleshoot the issue, identify the root cause, and work with the team to implement a solution while minimizing downtime.
Quickly assess the situation and gather relevant information
Identify the root cause of the deployment issue
Collaborate with team members to come up with a solution
Implement the solution while minimizing impact on production environment
Communicate with stakeholders about the issue and resoluti...
Interview Preparation Tips
- Kubernetes
- Linux
Skills evaluated in this interview
Selected
I applied via Referral and was interviewed in Nov 2024. There were 3 interview rounds.
(1 Question)
- Q1. Regarding subnetting
(1 Question)
- Q1. Regarding all networking
(1 Question)
- Q1. Personal details
Selected
I appeared for an interview in Feb 2025.
(2 Questions)
- Q1. Tell me about yourself
- Q2. How many percentage do you had in graduation?
- Ans.
I graduated with a percentage of 85%, which reflects my dedication and hard work throughout my studies.
Consistently achieved high grades in core subjects, such as Marketing and Communication.
Participated in group projects that enhanced my teamwork skills, contributing to my overall academic success.
Engaged in extracurricular activities, which helped me develop leadership qualities alongside my studies.
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. What are your professional goals?
- Q2. Where do you see yourself in the next five years?
- Q3. What is your strength?
- Q4. What is your weakness?
- Q5. What are your job responsibilities in your current position?
- Ans.
As a BMS Operator, I manage building systems, ensuring optimal performance and safety through monitoring and control.
System Monitoring: Regularly check and analyze data from HVAC, lighting, and security systems to ensure they operate efficiently.
Troubleshooting: Identify and resolve issues in building systems, such as adjusting temperature settings or addressing alarms.
Preventive Maintenance: Schedule and oversee routi...
- Q6. How much experience do you have as a BMS Operator?
- Q7. What makes you a suitable candidate for this position?
- Q8. As a team leader, how will you approach working with your team?
- Ans.
As a team leader, I prioritize collaboration, communication, and empowerment to foster a productive and motivated team environment.
Open Communication: I encourage team members to share their ideas and concerns openly, fostering a culture of trust and transparency. For example, I hold regular check-in meetings to discuss progress and challenges.
Empowerment: I delegate responsibilities based on individual strengths, allo...
- Q9. Have you encountered any emergency situations, and how did you manage them?
- Q10. What are your salary expectations?
Selected
I appeared for an interview in Apr 2025, where I was asked the following questions.
- Q1. What is data Analytics fulfilled
- Ans.
Data analytics involves examining datasets to draw conclusions, identify trends, and support decision-making.
Data Collection: Gathering data from various sources, e.g., surveys, databases.
Data Cleaning: Removing inaccuracies and inconsistencies, e.g., correcting typos in a dataset.
Data Analysis: Applying statistical methods to interpret data, e.g., using regression analysis to predict sales.
Data Visualization: Creating...
- Q2. Program for analysis
- Ans.
A program for data analysis involves collecting, processing, and interpreting data to derive insights.
Define the objective: Understand what questions you want to answer with the data.
Collect data: Gather data from various sources like databases, APIs, or surveys.
Clean the data: Remove duplicates, handle missing values, and correct inconsistencies.
Analyze the data: Use statistical methods or data visualization tools to ...
- Q3. What do you used to article
- Q4. In future life promote ai
- Q5. Good combination
Interview Preparation Tips
I appeared for an interview in Apr 2025, where I was asked the following questions.
- Q1. About myself and family
- Q2. Working experience
- Q3. Area knowledge of concern area
- Q4. Previous company experiences
- Ans.
I have diverse experiences in sales, focusing on building relationships and driving revenue growth in competitive markets.
Successfully increased sales by 30% in my previous role by implementing targeted marketing strategies.
Developed strong relationships with key clients, resulting in a 25% increase in repeat business.
Led a team of 5 sales representatives, providing training and support that improved overall team perfo...
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