Tata Digital Interview Questions, Process, and Tips

Q1. Git pull vs pull request?
Ans. 
Git pull is used to fetch and merge changes from a remote repository, while pull request is a way to propose changes to a repository.
• Git pull is used to update a local repository with changes from a remote repository.

• Pull request is a way to propose changes to a repository by creating a branch, making changes, and requesting the changes to be merged into the main branch.

• Git pull is a command used in the terminal, while...read more
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Q2. What is IPC and RPC?
Ans. 
IPC stands for Inter-Process Communication and RPC stands for Remote Procedure Call.
• IPC is a mechanism that allows communication between processes running on the same or different devices.

• RPC is a protocol that enables one program to request a service from another program on a remote machine.

• IPC can be achieved through shared memory, message passing, and pipes.

• RPC uses a client-server model and can be implemented using...read more
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Q3. How to detect loop in linked list?
Ans. 
To detect loop in linked list, use Floyd's cycle-finding algorithm.
• Create two pointers, slow and fast, and initialize both to the head of the linked list.

• Move slow pointer by one node and fast pointer by two nodes.

• If there is a loop, the two pointers will eventually meet.

• If there is no loop, the fast pointer will reach the end of the linked list.

• Time complexity: O(n), Space complexity: O(1)
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Q4. Print prime numbers between 100 to 1,00,000
Ans. 
Print prime numbers between 100 to 1,00,000
• Start with a loop from 100 to 100000

• Check if the current number is prime or not

• If prime, print the number
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Competitive coding, multiple choice questions

Q1. CS fundamentals, Object oriented programming, Networking, SQL
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Q2. Explain 4 concept of OOPS
Ans. 
OOPS concepts include Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the necessary features.
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Q3. Explain subnet in networking
Ans. 
A subnet is a smaller network within a larger network, created by dividing the IP address range of the larger network.
• Subnets help in organizing and managing network resources efficiently.

• They allow for better security by isolating different parts of the network.

• Subnets can be created by dividing an IP address range into smaller ranges.

• For example, a company may have different subnets for different departments like HR,
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Q4. Concepts of Operating system
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Q1. Behavioral questions, questions related to project, questions related to internship
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Q1. Steaming platform, information architecture
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Q2. Architectural best practices, data governance
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Whats your failures

Q1. Share an instance when your decision conflicit with manager and how you overcome
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Q1. About Sql, Data management
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