Dish Network IT Technician Interview Questions and Answers for Experienced

Technical aspects about linked list,trees, stacks

Topic related to humanities

I was given a case study to write multiple outputs by lookinginto a program.

Q1. How many years of Experience
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Q1. Ask about in RF background quotation
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Q2. As per question I answered
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Q1. About salary discussed
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Round duration - 30 Minutes
Round difficulty - Easy

In this round, Interviewer tried to judge if my basics are clear or not. 
He focused majorly on CS fundamentals.
He was pretty cooperative and gave me time after asking questions.

Q1. Have you ever solved a complex Java problem on your own?
Ans. 
Yes, I have solved a complex Java problem on my own.
• I once had to optimize a large-scale Java application by implementing multithreading to improve performance.

• I successfully debugged a memory leak issue in a Java program by analyzing heap dumps and identifying the root cause.

• I designed and implemented a custom data structure in Java to efficiently solve a specific problem.
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Q2. 
N-th Fibonacci Number Problem Statement
Given an integer ‘N’, your task is to find and return the N’th Fibonacci number using matrix exponentiation.
Since the answer can be very large, return the answer ...read more
Ans. 
The task is to find the Nth Fibonacci number using matrix exponentiation and return the answer modulo 10^9 + 7.
• Implement a function to find the Nth Fibonacci number using matrix exponentiation.

• Return the answer modulo 10^9 + 7 to handle large values.

• Use the formula F(n) = F(n-1) + F(n-2) with initial values F(1) = F(2) = 1.

• Optimize the solution to achieve better than O(N) time complexity.

• Consider solving the problem us...read more
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Q3. 
Swap Kth Elements in an Array
Given an array ARR of size N, perform the operation to swap the Kth element from the beginning with the Kth element from the end of the array.
Example:
Input:
N = 5, K = 2
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Ans. 
Swap Kth elements in an array with given constraints.
• Create a function that takes the array, K value, and size of the array as input

• Swap the Kth element from the beginning with the Kth element from the end

• Handle edge cases like K being out of bounds or array size being less than 2
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Round duration - 30 minutes
Round difficulty - Medium

It was in late evening, interviewer was quite cool and asked me quite basic things about myself.

Q1. 
Covid Vaccination Distribution Problem
As the Government ramps up vaccination drives to combat the second wave of Covid-19, you are tasked with helping plan an effective vaccination schedule. Your goal is...read more
Ans. 
Given constraints and rules, maximize vaccines administered on a specific day during a vaccination drive.
• Iterate through each test case and calculate the maximum number of vaccines administered on the specified day.

• Distribute the available vaccines evenly across the days while adhering to the rules.

• Ensure that the sum of vaccines administered does not exceed the maximum allowed.

• Maximize the vaccines administered on the
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Q1. Linux , diameter, SQL, work experience related questions.
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Q1. Diameter , charging system , daily tasks
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