3i Infotech Interview Questions, Process, and Tips

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

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.

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

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

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.

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

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

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

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

Tally t is a software used for accounting and financial management.

• Tally t is a popular accounting software used by businesses for managing financial transactions.

• It helps in recording and tracking financial data such as sales, purchases, expenses, and more.

• Tally t provides features like invoicing, inventory management, payroll processing, and tax compliance.

• It is widely used in India and other countries for its user-f