KaaShiv InfoTech Company DOT NET Developer Interview Questions and Answers

Q1. About Myself in details
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Q2. Past internships and work experiences
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Q1. Primary keys, Unique key
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Q2. Usage advantages and disadvantages of Indexing
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SQL- 1 departments with no users
2 dept_id and their respective no. of users

DSA1: Most frequent no. in an array
DSA2: Zero Sum subarray exists

Round duration - 60 minutes
Round difficulty - Easy

Q1. 
Path Queries Problem Statement
Consider a weighted, undirected graph with 'V' vertices numbered from 1 to 'V' and 'E' bidirectional edges. You are tasked with handling 'Q' queries. For each query, you are...read more
Ans. 
Implement a function to find the shortest distance between two vertices in a weighted, undirected graph.
• Use Dijkstra's algorithm to find the shortest path between the given vertices.

• Create a graph data structure to represent the weighted, undirected graph.

• Handle cases where no path exists between the given vertices by returning -1.

• Optimize the algorithm to handle multiple queries efficiently.

• Consider edge cases such as...read more
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Q2. 
Merge Sort Algorithm Problem Statement
Your task is to sort a sequence of numbers stored in the array ‘ARR’ in non-descending order using the Merge Sort algorithm.
Explanation:
Merge Sort is a divide-an...read more
Ans. 
Implement Merge Sort algorithm to sort a sequence of numbers in non-descending order.
• Divide the input array into two halves recursively

• Sort the two halves separately

• Merge the sorted halves to produce a fully sorted array

• Time complexity of Merge Sort is O(n log n)

• Example: Input - [5, 2, 9, 1, 5], Output - [1, 2, 5, 5, 9]
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Q3. 
Rat in a Maze: All Paths Problem
You are provided with an N * N maze where a rat is positioned at starting cell MAZE[0][0]. The goal is to determine and print all possible paths that the rat can take to r...read more
Ans. 
Given an N * N maze with binary values, find and print all possible paths for a rat to reach the destination cell.
• Use backtracking to explore all possible paths from the starting cell to the destination cell.

• At each cell, check if it is a valid move (within bounds and not blocked), then recursively explore all four directions.

• Keep track of the path taken so far and mark the cells accordingly.

• Once the destination cell i...read more
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Basic coding maths aptitude java python communication skills test

Java coding c plus python SQL oracle dbmsos

Medium level coding question

Q1. Intreview round asked about project mentioned in CV
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Q2. Basic of reacts, opps question,sql queries
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Coding test of your skills and how well can you cope up with a problem given.

Q1. LAC of 3 nodes
Ans. 
LAC stands for Location Area Code, a unique identifier for a group of cells in a mobile network.
• LAC helps in identifying the location of a mobile device within a cellular network.

• It is used for handover procedures when a device moves between different cells.

• In a network with 3 nodes, each node would have a unique LAC assigned to it.
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Q2. Reverse of the array
Ans. 
Reverse the order of strings in an array
• Use the reverse() method to reverse the array

• Example: ['apple', 'banana', 'cherry'] -> ['cherry', 'banana', 'apple']
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Q3. Sum or product asked
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Q1. Tell me about your self ?
Ans. 
Thankyou for giving me this opportunity to introduce myself. My name is Mahesh Singh Matiyali I am from Haldwani, Nainital. I did completed my schooling from H. N. Inter College Haldwani. And I did completed my graduation form Kumaon University. I am belong to a joint family background. My father is a farmer and mother is a homemaker. We are 12th brothers and sisters. My hobbies: reading - Newspapers and storys book'...read more
Answered by gorgeousrasmalai
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Q2. What is your strength and weakness?
Ans. 
My strength is are i am self motivated, good listener, disciplined person and I respected anywhere person. And my weakness is a handwriting and I have a bit weak communication skills. I am trying to improve my communication skills.
Answered by gorgeousrasmalai
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Q3. What is your short term goals and long term goals?
Ans. 
My short term goal is to get a job in required company where I can utilize my skills and improve my career path. My long term goal is I want to become a good and expert Web Developer.
Answered by gorgeousrasmalai
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Q4. Why do you need a job ?
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Q5. Why should I hire you ?
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Round duration - 20 Minutes
Round difficulty - Easy

very easy questions related to web development. 1 coding question

Q1. 
Clone a Linked List with Random Pointers
Given a linked list where each node has two pointers: the first points to the next node in the list, and the second is a random pointer that can point to any node ...read more
Ans. 
Create a deep copy of a linked list with random pointers without using references of original nodes.
• Iterate through the original linked list and create a new node for each node in the list.

• Store the mapping of original nodes to new nodes in a hashmap to handle random pointers.

• Update the random pointers of new nodes based on the mapping stored in the hashmap.

• Return the head of the copied linked list.
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Round duration - 150 Minutes
Round difficulty - Medium

Q1. 
Loot Houses Problem Statement
A thief is planning to steal from several houses along a street. Each house has a certain amount of money stashed. However, the thief cannot loot two adjacent houses. Determi...read more
Ans. 
Determine the maximum amount of money a thief can steal from houses without looting two consecutive houses.
• Create an array 'dp' to store the maximum money that can be stolen from each house without looting two consecutive houses.

• Iterate through the houses and update 'dp' based on the maximum money that can be stolen from the current house.

• Return the maximum value in 'dp' as the answer.
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Q2. Can you design a website similar to Amazon?
Ans. 
Yes, I can design a website similar to Amazon by focusing on user-friendly interface, robust search functionality, secure payment options, and personalized recommendations.
• Focus on user-friendly interface with easy navigation

• Implement robust search functionality with filters and sorting options

• Provide secure payment options with encryption and fraud protection

• Include personalized recommendations based on user behavior
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Round duration - 10 Minutes
Round difficulty - Easy