BT Group Interview Questions, Process, and Tips

Q1. What is 3 cost estimation
Ans. 
Cost estimation is the process of predicting the expense of a project or operation.
• Cost estimation involves analyzing various factors such as resources, labor, materials, and overhead costs.

• Different methods can be used for cost estimation, such as bottom-up estimation, parametric estimation, and analogous estimation.

• Accuracy of cost estimation is crucial for project budgeting and decision-making.

• Examples of cost estim...read more
Answered by AI
Add your answer
Q2. What is resource levelling
Ans. 
Resource levelling is the process of adjusting project schedules to prevent resource overallocation.
• Resource levelling involves shifting tasks within a project timeline to ensure that resources are not overallocated.

• It helps in optimizing resource utilization and preventing burnout.

• Resource levelling may result in a longer project duration but helps in maintaining a balanced workload for team members.

• Example: If a proj...read more
Answered by AI
Add your answer

Q1. What is SVA and its role?
Ans. 
SVA stands for Service Level Agreement and it defines the level of service a customer can expect from a company.
• SVA outlines the specific services provided by a company and the standards to which they will be delivered

• It includes details such as response times, resolution times, and availability of support

• For example, a company may have an SVA that guarantees a response to customer inquiries within 24 hours
Answered by AI
Add your answer
Q2. What is the role of Ozone Layer?
Ans. 
The ozone layer is a protective layer in the Earth's stratosphere that absorbs most of the sun's harmful ultraviolet radiation.
• Protects living organisms on Earth from harmful ultraviolet radiation

• Prevents skin cancer, cataracts, and other health issues in humans

• Helps maintain the Earth's temperature balance by absorbing and reflecting solar radiation

• Damages to the ozone layer can lead to increased UV radiation reaching
Answered by AI
Add your answer

Reasoning in Aptitude

Q1. What is Computer Networks
Ans. 
Computer Networks are systems of interconnected computers that communicate with each other to share resources and information.
• Computer networks allow for sharing of resources such as files, printers, and internet connections.

• They enable communication between devices through protocols like TCP/IP.

• Examples include LANs (Local Area Networks), WANs (Wide Area Networks), and the Internet.
Answered by AI
Add your answer
Q2. What is VPN, how it works
Ans. 
VPN stands for Virtual Private Network, it allows users to securely access a private network over a public network.
• VPN encrypts data to ensure secure transmission over the internet

• It masks the user's IP address to maintain anonymity

• VPN creates a secure tunnel between the user's device and the private network

• Common uses include remote access to company networks and bypassing geo-restrictions

• Examples of VPN services incl
Answered by AI
Add your answer

This round was hackerath test which included 1 coding questions and 20 MCQ's related to java,spring,spring boot,Microservices etc

Q1. It was F2F in BT office RMZ eco world office
Add your answer
Q2. A)Microservice Architecture and design b)Explain your project c)Target Sum in array d)Nth highest salary e)Java Fundamentals
Ans. 
The interview questions cover topics like Microservice Architecture, project explanation, array manipulation, Nth highest salary, and Java fundamentals.
• Microservice Architecture involves breaking down a large application into smaller, independent services that communicate with each other.

• Explain a project you worked on, highlighting the technologies used, challenges faced, and the outcome.

• Target Sum in array involves f...read more
Answered by AI
Add your answer

Q1. This was Techno-Managerial round
Add your answer
Q2. A)Why are you looking for job change b)Why are you intrested in BT. c)How you approach the design part of a system
Add your answer

Q1. It was an HR round
Add your answer
Q2. First I waited for almost 10 days for BGV and than a link was provided for applying the job and than HR round for Salary negotiations
Add your answer

Q1. What are the modules you have worked
Ans. 
I have worked on modules such as user authentication, data processing, API integration, and UI development.
• User authentication module - Implemented login, registration, and password reset functionalities.

• Data processing module - Developed algorithms for data manipulation and analysis.

• API integration module - Integrated third-party APIs for various functionalities.

• UI development module - Designed and implemented user in
Answered by AI
Add your answer
Q2. Integrations and APIs
Add your answer

Sql and coding test

Q1. Question were asked from SQL Queries related to Tables , views
Add your answer
Q2. Difference between table and views
Ans. 
Tables store data in a structured format, while views are virtual tables that display data from one or more tables.
• Tables store actual data, while views display data dynamically based on the underlying tables.

• Tables can be modified directly, while views are read-only.

• Views can combine data from multiple tables, while tables store data in a single structure.
Answered by AI
Add your answer

Q1. Managerial and technical round
Add your answer
Q2. Scenario based questions
Add your answer