TCS iON Interview Questions and Answers

Coding plus aptitude

Q1. Project related
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Q2. Questions from the subjects mentioned in CV
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Q1. What are pointers . Write a short program to explain concept of pointers
Ans. 
Pointers are variables that store memory addresses of other variables.
• Pointers are used to access and manipulate memory addresses directly.

• They are denoted by an asterisk (*) before the variable name.

• Example: int *ptr; // declares a pointer to an integer variable
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Q2. What is osi model
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The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven different layers.
• The OSI model stands for Open Systems Interconnection model.

• It helps in understanding how different networking protocols work together.

• Each layer has specific functions and communicates with the adjacent layers.

• Examples of layers include physical layer, data link layer, network
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Q3. What is encapsulation
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Encapsulation is the concept of bundling data and methods that operate on that data into a single unit, known as a class.
• Encapsulation helps in hiding the internal state of an object and restricting access to it.

• It allows for data hiding, which prevents direct access to the internal state of an object.

• Access to the data is typically provided through public methods (getters and setters) defined in the class.

• Encapsulatio...read more
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Q1. Tell us about your previous project
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Q2. Controller specification of previous projects
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Designed and implemented controllers for various projects using MVC architecture
• Utilized MVC design pattern to separate concerns and improve code maintainability

• Implemented controller logic to handle user input and interact with models and views

• Ensured controllers were properly tested and integrated with the rest of the application
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Q1. How to create user account in active directory
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User accounts in Active Directory can be created using Active Directory Users and Computers tool or PowerShell commands.
• Open Active Directory Users and Computers tool

• Navigate to the desired organizational unit (OU)

• Right-click on the OU and select 'New' -> 'User'

• Fill in the required user details such as username, password, etc.

• Alternatively, use PowerShell commands like New-ADUser to create user accounts
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Q2. How to install network printer in windows
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To install a network printer in Windows, you need to add a printer using the 'Devices and Printers' option in Control Panel.
• Go to Control Panel and select 'Devices and Printers'.

• Click on 'Add a printer'.

• Choose 'Add a network, wireless or Bluetooth printer'.

• Select the network printer from the list or enter the printer's IP address.

• Follow the on-screen instructions to complete the installation.
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