Pactera Technologies India Interview Questions and Answers

0/1 Knapsack Problem

Q1. Given an array of integers and a target sum N, return true if there exists a subset whose sum equals N, otherwise return false.
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Q2. Given a 2D grid of 0s and 1s, count the number of islands.
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Q1. Given a binary tree root and an array of levels, return the nodes present at those specific levels.
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Coding test conducted in virtual session - you need share the entire screen (google meet). Interviewer share about 12 questions, in 10 are theory based questions and 2 coding questions.
while writing theory try to answer with real time example from your project.
1. Solid principles 2 design patterns used 3 diff between .net core vs .net 4. garbage collection 5. global exception handling in core 5. performance / monitoring related questions

coding questions: 1. Nth max value without sorting. 2. sum of max sub array in a integer array

Q1. Skills, project explanation, unit testing, code review
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Q2. Usage of dependency injection in core along with types
Ans. 
Dependency injection in core with types is a common practice in software engineering.
• Dependency injection is a design pattern where components are given their dependencies rather than creating them internally.

• Using dependency injection in core allows for easier testing and maintenance of the codebase.

• Types in dependency injection help ensure that the correct dependencies are injected into components.

• Examples include us...read more
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Q3. Usage of Middleware along with custom middleware
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Middleware is used to handle requests and responses in web applications. Custom middleware can be created to add specific functionality.
• Middleware is software that acts as a bridge between an operating system or database and applications, allowing them to communicate with each other.

• Middleware can be used to handle tasks such as authentication, logging, error handling, and more.

• Custom middleware can be created to add s...read more
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Q4. Authentication and authorization in web api core
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Authentication and authorization are essential for securing web APIs in ASP.NET Core.
• Use authentication to verify the identity of the user accessing the API.

• Use authorization to determine what actions the authenticated user is allowed to perform.

• In ASP.NET Core, authentication can be implemented using various schemes like JWT, OAuth, or Identity.

• Authorization can be achieved through policies, roles, or claims.

• Always va...read more
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I am ECE students, Analog and Digital, basic aptitude and some control system questions

Q1. They basically asked digital electronics (all concepts,adder,mux ,counters,you need design tha logic circuits also for given sequence)analog questions on options op amp, filters, MOSFET, bjt, jfet, control...read more
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Q2. It's about your group project, they will ask more questions to confuse you, and they will ask everything like circuit, code, values.
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Q1. Where you see yourself in five years, just basic hr questions
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Q1. Tableau Questions 1. Difference between dimensions and measures. 2. What is RLS? 3. What are the functions you can assign in RLS? 4. Explain what is drill down approach. 5. What is LOD? 6. What is a calcul...read more
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Q2. SQL Questions 1. In employee table find the 2nd highest salary. 2. Find the highest average salary in department 3. Given two tables(sales & product) find total sales per category 4. Two questions to find ...read more
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Logical reasoning, grammar, and coding: two basic level questions.

Q1. Question on core Java
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Q2. Question on SQL and PLSQL
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Q3. Resume based question and on project
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Q1. Resume and project based question
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Q2. What do you like about your current company, and why do you want to join our organization?
Ans. 
I appreciate the collaborative team environment and innovative projects at my current company, and I am excited about the opportunities for growth and learning at your organization.
• Collaborative team environment fosters creativity and productivity

• Innovative projects challenge me to learn and grow

• Excited about the opportunities for growth and learning at your organization
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Test will be in hacker rank there would be a difficulty level between easy to medium

Q1. Question will be from data structure and easy to medium level of the programming laanguage question
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Q1. This is just to check your english ability
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Q1. What can you tell me about SCCM technology?
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Q2. What is Active Directory and how does it function?
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Q1. Communication skills
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Q2. Personal information about studies and family
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