3i Infotech Interview Questions, Process, and Tips for Freshers

Q1. What is the difference between Compression and combustion engine ?
Ans. 
Compression engine compresses air before fuel is added, while combustion engine mixes air and fuel before compression.
• Compression engine compresses air before fuel is added

• Combustion engine mixes air and fuel before compression

• Compression engines are typically found in diesel vehicles

• Combustion engines are found in gasoline vehicles
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Q2. Explain combustion engine with examples.
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Combustion engine is a type of internal combustion engine that generates power by burning fuel within a combustion chamber.
• Combustion engine converts chemical energy from fuel into mechanical energy.

• Air and fuel are mixed in the combustion chamber and ignited by a spark plug.

• Examples include gasoline engines in cars and diesel engines in trucks.

• The combustion process creates high pressure gases that push pistons, which...read more
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Q1. What is BPO sector, tell me about your self basics
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Q2. Previous job rule and responsibilities
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Q3. Salery expectations
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Q4. Whow you distribute your salery
Ans. 
I distribute my salary by allocating a portion for savings, expenses, investments, and personal needs.
• Allocate a percentage for savings to build a financial cushion

• Set aside a portion for monthly expenses such as rent, bills, and groceries

• Invest a percentage in long-term investments like stocks or retirement accounts

• Keep some for personal needs and leisure activities
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Q5. Why did you left the previous job
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30 min each set also coding round

Q1. What is Dependency Injection?
Ans. 
Dependency Injection is a design pattern that allows objects to receive dependencies rather than creating them internally.
• DI is a way to achieve loose coupling between objects

• It helps in creating more testable and maintainable code

• DI can be implemented using constructor injection, property injection, or method injection

• Example: Instead of creating a database connection object inside a class, we can inject it from outsi...read more
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Q2. What are the Design patterns?
Ans. 
Design patterns are reusable solutions to common software development problems.
• Design patterns provide proven solutions to recurring problems in software development.

• They help in creating code that is more flexible, reusable, and maintainable.

• Some common design patterns include Singleton, Factory, Observer, and Decorator.

• Design patterns can be categorized into three types: Creational, Structural, and Behavioral.
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Q1. What are the differences between .Net and .Net Core?
Ans. 
The main difference is that .NET Core is open-source and cross-platform while .NET Framework is Windows-only.
• Both are used for building Windows applications, but .NET Core can also be used for web and cloud applications.

• .NET Core has a smaller runtime and can be deployed as a single executable file.

• .NET Core supports Docker containers and can be used on Linux and macOS.

• .NET Framework has a larger runtime and requires i...read more
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Q1. What is the Expected CTC?
Ans. 
Expected CTC depends on various factors such as experience, skills, location, and company policies.
• Expected CTC can vary based on the candidate's experience and skills.

• Location can also play a role in determining the Expected CTC.

• Company policies and budget can also impact the Expected CTC.

• It is important to research industry standards and negotiate based on market rates.

• Providing a specific number may limit negotiatio
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Q1. 1. What is IP ?
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IP stands for Internet Protocol. It is a set of rules that governs the format of data packets sent over the internet.
• IP is a fundamental protocol in computer networking.

• It provides the addressing scheme used to identify devices on a network.

• IP packets contain both the source and destination IP addresses.

• IPv4 and IPv6 are the two main versions of IP.

• Example: 192.168.0.1 is an IPv4 address.
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Q2. 2. What is ACTIVE DIRECTORY ?
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Active Directory is a directory service developed by Microsoft for Windows domain networks.
• It stores information about network resources such as computers, users, and groups.

• It provides authentication and authorization services for Windows-based computers.

• It allows administrators to manage network resources from a central location.

• It uses a hierarchical structure of domains and organizational units (OUs) to organize re...read more
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Q3. 3. How can configure Static Routing ?
Ans. 
Static routing can be configured by manually adding routes to the routing table.
• Identify the destination network and subnet mask

• Identify the next-hop router or exit interface

• Add the route to the routing table using the 'ip route' command

• Verify the routing table using the 'show ip route' command
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Q4. What is extension outlook ?
Ans. 
Extension Outlook refers to the file extension used by Microsoft Outlook to save email messages and other data.
• Extension Outlook is commonly used for saving email messages, contacts, calendar entries, and other data in Microsoft Outlook.

• The file extension for Outlook data files is .pst (Personal Storage Table) for Outlook data files and .ost (Offline Storage Table) for offline data files.

• Outlook also uses other file ex...read more
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Q5. How to backup in outlook ?
Ans. 
To backup in Outlook, go to File > Open & Export > Import/Export > Export to a file > Outlook Data File (.pst)
• Open Outlook and click on File

• Select Open & Export and then click on Import/Export

• Choose Export to a file and click on Next

• Select Outlook Data File (.pst) and click on Next

• Choose the folder you want to backup and click on Next

• Select a location to save the backup file and click on Finish
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Q1. What are your roles and responsibilities? Please explain them briefly.
Ans. 
As an Associate SQL Developer, I design, implement, and maintain database solutions to support business applications and data analysis.
• Develop and optimize SQL queries for data retrieval and manipulation, ensuring efficiency and performance.

• Design and maintain database schemas, ensuring data integrity and normalization.

• Collaborate with application developers to integrate database solutions into software applications.

• Pe...read more
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Q2. What coding knowledge do you possess that is relevant to your work, and can you provide details about your studies in that area?
Ans. 
I possess strong SQL skills, focusing on database design, querying, and optimization through formal education and practical experience.
• Completed a Bachelor's degree in Computer Science with a focus on database management.

• Studied SQL through online courses, mastering SELECT, JOIN, and GROUP BY statements.

• Worked on projects involving data extraction and reporting using SQL Server.

• Gained experience in writing stored proce...read more
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