ICCS Cloud Engineer Interview Questions and Answers for Experienced

Q1. What is the Middleware
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Q2. What is dependency injection
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1-hour exam, few math questions, and few technical were asked, and all were MCQs

Very general topics were asked to check our communication skills

Q1. Intro, DBMS, SQL questions, OOPs concepts, and real-life examples, About the project I worked in, were asked. Most of the questions are based on the resume.
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Q2. OOPs- inheritance, encapsulation code on it overloading, overriding concept and coding question
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Q3. Coding questions on strings
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Round duration - 126 minutes
Round difficulty - Hard

This round consist of coding questions as well as mcqs based on aptitude as well as some domain sections. This round is hard.

Q1. 
Maximum Path Sum in a Matrix
Given an N*M matrix filled with integer numbers, determine the maximum sum that can be obtained from a path starting from any cell in the first row to any cell in the last row...read more
Ans. 
Find the maximum sum path in a matrix from top row to bottom row by moving down or diagonally.
• Use dynamic programming to keep track of maximum sum at each cell.

• At each cell, consider the maximum sum from the cell above, left diagonal, and right diagonal.

• Add the current cell value to the maximum of the three possibilities.

• Repeat this process for all cells in the matrix to find the maximum sum path.
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Q2. 
Boolean Matrix Transformation Challenge
Given a 2-dimensional boolean matrix mat of size N x M, your task is to modify the matrix such that if any element is 1, set its entire row and column to 1. Specifi...read more
Ans. 
Modify a boolean matrix such that if any element is 1, set its entire row and column to 1.
• Iterate through the matrix to find elements with value 1

• Store the row and column indices of these elements

• Update the entire row and column for each element found to be 1
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Round duration - 45 minutes
Round difficulty - Easy

In this round the interviewer ask few questions related to domain and at last he ask some behavioral questions.

Q1. 
Intersection of Linked List Problem
You are provided with two singly linked lists containing integers, where both lists converge at some node belonging to a third linked list.
Your task is to determine t...read more
Ans. 
Find the node where two linked lists merge, return -1 if no merging occurs.
• Traverse both lists to find the lengths and the last nodes

• Align the starting points of the lists by adjusting the pointers

• Traverse both lists simultaneously until a common node is found
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Q1. What are the responsibilities of a Data Analyst?
Ans. 
Data Analysts are responsible for collecting, processing, and analyzing data to help organizations make informed decisions.
• Collecting and organizing data from various sources

• Cleaning and processing data to ensure accuracy and consistency

• Analyzing data using statistical techniques and tools

• Creating visualizations and reports to present findings

• Interpreting data to provide insights and recommendations

• Collaborating with s...read more
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Q2. Software engineer
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Q1. About HT and LT Transmission , Distribution and Backup Systems
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Q2. About work place and culture
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Q1. Explain collection framework and uses
Ans. 
Collection framework is a set of interfaces and classes in Java that provide a way to store and manipulate groups of objects.
• Provides interfaces like List, Set, Map for storing collections of objects

• Includes classes like ArrayList, HashSet, HashMap for implementing these interfaces

• Allows for easy manipulation, sorting, searching, and iteration of collections

• Used in various applications like data processing, data storag
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Q2. Explain springboot and it's annotation
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Spring Boot is a Java-based framework used for creating standalone, production-grade Spring-based applications.
• Spring Boot simplifies the process of creating Spring applications by providing defaults for configuration and eliminating the need for XML configuration files.

• Annotations in Spring Boot are used to simplify the configuration of Spring applications by providing metadata about the application.

• Examples of annota...read more
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Q1. RF Parameters,KPI implementation,UL DL Throughput,SINR,RARP
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Q1. Salary Discussion and Documents
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Q1. Why are you looking for a change?
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Q2. Tell me about yourself.
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Q1. What is dora process
Ans. 
DORA (Discover Offer Request Acknowledge) is a process used by DHCP clients to obtain IP addresses.
• DORA is an acronym for Discover, Offer, Request, and Acknowledge.

• It is a process used by DHCP clients to obtain IP addresses from DHCP servers.

• The client sends a Discover message to the server, which responds with an Offer message containing an available IP address.

• The client then sends a Request message to the server, in...read more
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