TCS Web Developer Interview Questions, Process, and Tips

Q1. Explain Token generation and authentication process.
Ans. 
Token generation and authentication process is a security mechanism used to verify the identity of a user.
• Token generation involves creating a unique token for each user upon successful login.

• The token is then stored in the user's browser or device.

• When the user makes subsequent requests, the token is sent along with the request.

• The server then verifies the token to authenticate the user.

• If the token is valid, the user...read more
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Q2. Explain any one of design patterns with examples.
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One of the design patterns is the Singleton pattern.
• Singleton pattern ensures that only one instance of a class is created and provides a global point of access to it.

• It is useful when we need to limit the number of instances of a class to one.

• Example: Database connection class, where we need only one instance of the class to connect to the database.

• Another example is the Logger class, where we need only one instance t
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Q1. What are your tech stack
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Time and distance , ratio and proportion

Q1. Write logic for deletion of link list
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Deletion logic for a linked list
• Traverse the linked list to find the node to be deleted

• Update the pointers of the previous and next nodes to skip the node to be deleted

• Free the memory of the node to be deleted
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Q2. Explain logic for fibonacci series output
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Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.
• Start with 0 and 1 as the first two numbers in the series

• Add the previous two numbers to get the next number in the series

• Repeat this process to generate the Fibonacci series
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So much easy test any one can pass with basic knowledge

Q1. Basic concept of oops
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Q2. Sql quaries : learn every thing about database
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Q3. Tell me about yourself
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Q4. Whereyou see yourslef in next 5 yaers
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Q5. Why you want to join company
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Q1. Join the table emp and dept
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Q2. Write the program to find nth day from to Today
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Program to find the nth day from today
• Get the current date using a date object

• Add the number of days to the current date to find the nth day

• Return the nth day as the output
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