Ecs Software Technologies Interview Questions and Answers

Q1. Basic ml related questions,past project discussion
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Q1. AI, ML related, statistical analysis of the graph.
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Q1. Work culture, check
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Q1. Work culture, project discussion, scenario based questions
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Q1. Basic HR questions, why sap salary discussions
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Inquiring about salary expectations will likely lead to an offer that does not exceed 30%, with 12% as a variable amount allocated for a performance bonus, which you may never receive, based on the rationale that your experience is not relevant, despite having a background in a related field such as voice processing. Additionally, do not anticipate clear job descriptions, as the company's approach is broad and diplomatic, reflecting a lack of transparency.

Q1. Tell me about yourself.
Ans. 
Experienced voice process executive with strong communication skills and a proven track record of delivering exceptional customer service.
• Over 5 years of experience in handling customer queries and resolving issues efficiently

• Proficient in using CRM software to track customer interactions and maintain records

• Skilled in active listening and problem-solving to ensure customer satisfaction

• Ability to work well under pressu
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Q2. Questions which are not relevant or the process and work criteria they are not aware of from previous job role,and if you have number or percentage in your resume then please remove it that will be ur ene...read more
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Q1. Core java based questions, followed by springboot and then sql queries
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Q1. Scenario based java and spring boot questions and more complex sql queries
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Q1. Previous project related questions like difficulty faced in project, how you overcome that, day to day routine, discussed role in projects
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Q1. Salary discussion and onboarding instructions
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Basic Python, SQL, and Bash questions

Q1. SQL questions with operations that include changing from string to array. Tip: stick to RDBMS-specific dialects only (like Postgres), I used Spark SQL
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Q2. Simple Python questions with a follow-up to optimise it
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Q3. Bash script-based questions, are pretty basic.
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Q4. Data pipeline design and best practices.
Ans. 
Data pipeline design involves creating a system to efficiently collect, process, and analyze data.
• Understand the data sources and requirements before designing the pipeline.

• Use tools like Apache Kafka, Apache NiFi, or AWS Glue for data ingestion and processing.

• Implement data validation and error handling mechanisms to ensure data quality.

• Consider scalability and performance optimization while designing the pipeline.

• Doc...read more
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Q1. Easy to medium Leetcode-based question. With moderate difficulty.
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Q2. Simple Python-based question with optimisation.
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Q3. Design specific questions based on Data pipelines.
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Q1. SQL-based question with moderate difficulty.
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Q2. Python-based questions, follow questions with some optimisations.
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Q3. Bash-script based round.
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Design assignments to evaluate.

Coding tests are assessments designed to evaluate a developer's coding skills and aptitude.

It is a process in which a group of individuals collaborates to reach a decision.

An assignment refers to a task or a specific piece of work.

A case study is a comprehensive analysis of a real-world situation used to understand a complex issue, addressing both problems and the context surrounding the situation.

Q1. Internal working of hashmap
Ans. 
HashMap is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values based on keys.
• HashMap internally uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.

• If multiple keys hash to the same index, a linked list is used to handle collisions.

• To retrieve a value, the key is hash...read more
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Q2. Find Anagram from string array
Ans. 
Find anagrams from a string array
• Iterate through each string in the array

• Sort the characters of each string to create a key for comparison

• Use a hashmap to group anagrams together

• Return the grouped anagrams as arrays
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Q1. Top view of binary Tree
Ans. 
A top view of a binary tree shows the nodes visible when looking at the tree from the top.
• The top view of a binary tree is the set of nodes visible when looking at the tree from the top.

• Nodes at the same horizontal distance from the root are considered at the same level.

• Use a map to store the horizontal distance of each node and only keep the first node encountered at each horizontal distance.
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Q2. Java based questions
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Q1. Hight of binary tree
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Height of a binary tree is the maximum number of edges on the longest path from the root node to a leaf node.
• Height of an empty tree is -1

• Height of a tree with only one node is 0

• Height of a binary tree can be calculated recursively by finding the height of left and right subtrees and adding 1 to the maximum of the two heights
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Q2. Garbage Collector
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Q1. Library Management System
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Q1. Resume related question
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Q2. Outlook PST backup
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Q1. Resume related question
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Q2. Last job role and responsibilities
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Q1. Desktop related
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Q2. Vlan configure and rules
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Q1. Network setup devices
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Q2. Vpn how to configure
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Q1. Why we hire you
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Q2. Previous job left
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30min duration simple questions

Basic array 2 coding questions

Q1. Introduce yorself
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Q2. Explain about final year project
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Q3. Github link for project
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Q4. What is oops in java
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Q5. What is polymorphism explain with examples
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2 medium leetcode questions were asked

Q1. Difference between polymorphism and inheritance
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Q2. Dsa question related to array
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Q1. Explain about project
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Q2. What did you do in you internship
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