Sodexo Senior Associate Interview Questions and Answers

Round duration - 60 Minutes
Round difficulty - Medium

The round started at 8 PM. There was one question with several test cases and had to pass every test case in order to get a call for interview.

Q1. 
Nth Fibonacci Number Problem Statement
Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2), with initial conditions F(1) = F(2) = 1.
Input:
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Ans. 
Calculate the Nth Fibonacci number efficiently using iterative or dynamic programming techniques.
• Fibonacci Definition: F(n) = F(n-1) + F(n-2) with F(1) = F(2) = 1.

• Iterative Approach: Use a loop to calculate Fibonacci numbers up to N, storing only the last two values to save space.

• Dynamic Programming: Store previously computed Fibonacci numbers in an array to avoid redundant calculations.

• Time Complexity: Both iterative ...read more
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Round duration - 45 Minutes
Round difficulty - Medium

It was first round for 45mins and only one question was asked.

Q1. 
Sum Of Zeroes Coverage Calculation
You are provided with a binary matrix containing dimensions 'N * M', comprised only of 0s and 1s. Your task is to compute the aggregated sum of coverages for all the zer...read more
Ans. 
Calculate the total coverage of zeros in a binary matrix based on adjacent ones in a defined neighborhood.
• Matrix Traversal: Iterate through each cell in the N x M matrix to identify zeros.

• Neighbor Counting: For each zero, check its top, bottom, left, and right neighbors to count the number of adjacent ones.

• Boundary Conditions: Ensure that checks for neighbors do not go out of matrix bounds to avoid errors.

• Example: In a...read more
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Round duration - 45 Minutes
Round difficulty - Easy

It was again 45 min interview and after an intro we quickly jumped in coding.

Q1. 
Word Occurrence Counting
Given a string 'S' of words, the goal is to determine the frequency of each word in the string. Consider a word as a sequence of one or more non-space characters. The string can h...read more
Ans. 
Count the frequency of each unique word in a given string, handling multiple spaces and ignoring leading/trailing spaces.
• Input Handling: Trim the string to remove leading/trailing spaces and split it by spaces to get individual words.

• Word Counting: Use a dictionary to count occurrences of each word as you iterate through the list of words.

• Output Format: Print each unique word along with its count, ensuring each output ...read more
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Round duration - 45 minutes
Round difficulty - Medium

It was an Technical + HR round. The interviewer was very understanding and he checked the overall knowledge of the subject.

Q1. 
Kth Smallest Element Problem Statement
You are provided with an array of integers ARR of size N and an integer K. Your task is to find and return the K-th smallest value present in the array. All elements...read more
Ans. 
The Kth Smallest Element problem involves finding the K-th smallest number in a distinct integer array.
• Sorting Method: Sort the array and return the element at index K-1. Example: For ARR = [3, 1, 4, 2, 5] and K = 3, sorted array is [1, 2, 3, 4, 5], so return 3.

• Time Complexity: Sorting the array takes O(N log N) time, which is efficient given the constraints.

• Direct Access: Since all elements are distinct, accessing the...read more
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Q1. Overall previous site infrastructure details
Ans. 
Previous site infrastructure included data centers, networking equipment, servers, and storage systems.
• Data centers were located in multiple regions for redundancy.

• Networking equipment included routers, switches, and firewalls.

• Servers were a mix of physical and virtual machines.

• Storage systems used SAN and NAS technologies.

• Backup and disaster recovery plans were in place.

• Monitoring tools were used to track performance ...read more
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Multiple scenarios of UPS DG CHILLER FAILURES

Q1. How do you manage at difficult situation and keep calm
Ans. 
I stay calm in difficult situations by assessing the situation, prioritizing tasks, and maintaining open communication with my team.
• Assess the situation: I take a moment to understand the problem before reacting. For example, during a project deadline crisis, I gathered the team to identify the bottlenecks.

• Prioritize tasks: I focus on the most critical issues first. In a past project, I created a priority list to tackl...read more
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Q2. What is your strength and why
Ans. 
My strength lies in effective communication, fostering collaboration, and driving team success through clear dialogue and active listening.
• I excel in facilitating open discussions, ensuring every team member feels heard and valued.

• In my previous role, I led a project where regular check-ins improved team morale and productivity by 30%.

• I adapt my communication style to suit different team members, enhancing understandin...read more
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Q1. Transformers basics and protections use
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Q2. Switch gears, ACB, VCB, SF6 Working and protections
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Q3. Compressors & DG maintenance and working
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Q4. ETP and STP operation and maintenance
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Q1. Why you want to left your previous company, and lastly salary negotiation
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What is DBa role do when they find out issue on tablepsace

Q1. What is oracle database?
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Q2. Expain oracle database architecture?
Ans. 
Oracle database architecture is a multi-tiered system with components like client, server, and storage.
• Consists of physical and logical structures

• Includes processes like SQL processing, memory management, and I/O management

• Client communicates with server through SQL*Net

• Server manages data storage and retrieval

• Storage includes data files, control files, and redo log files
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Q1. Self Introduction
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Q2. What Is Bpo
Ans. 
BPO, or Business Process Outsourcing, involves contracting third-party service providers to handle specific business tasks.
• BPO can include customer service, technical support, and data entry.

• Examples of BPO companies include Accenture, Infosys, and Teleperformance.

• It allows businesses to focus on core activities while reducing operational costs.

• BPO can be categorized into back-office (e.g., payroll) and front-office (e...read more
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