International Data Corporation PMC Engineer Interview Questions and Answers

1 coding test having a DP question and some spark based questions.

Q1. Fibonacci using DP
Ans. 
Fibonacci using Dynamic Programming
• Use an array to store calculated Fibonacci numbers to avoid redundant calculations

• Start with base cases of 0 and 1, then iterate to calculate subsequent Fibonacci numbers

• Time complexity can be reduced from exponential to linear using DP
Answered by AI
Add your answer
Q2. SQL questions ( ranks and partition)
Add your answer

Q1. Design based questions
Add your answer

Q1. How do you handle challenges at work
Ans. 
I approach challenges at work by breaking them down into smaller tasks, seeking input from colleagues, and staying organized.
• Break down the challenge into smaller tasks to make it more manageable

• Seek input and advice from colleagues or supervisors

• Stay organized by creating a plan or timeline to address the challenge

• Remain flexible and open to new ideas or approaches

• Maintain a positive attitude and persevere through set
Answered by AI
Add your answer

Q1. Why do you choose this company
Ans. 
I choose this company because of its strong reputation in the industry and opportunities for growth.
• Strong reputation in the industry

• Opportunities for growth and advancement

• Innovative work culture

• Positive reviews from current employees
Answered by AI
Add your answer
Q2. Whats your experience
Ans. 
I have 2 years of experience in data analysis and market research, with a focus on consumer behavior and trend analysis.
• 2 years of experience in data analysis and market research

• Specialize in consumer behavior and trend analysis

• Proficient in using statistical tools and software like SPSS and Excel

• Experience in creating reports and presentations for stakeholders
Answered by AI
Add your answer

Q1. Typical questions about your experience, technical background and working knowledge relevant to their technical stack.
Add your answer
Q2. Tell me about your experience in network security.
Add your answer
Q3. Tell me about your experience in Java and Springboot.
Add your answer

Q1. Basic concept of c#,.net framework
Add your answer
Q2. What is CFA and DFA in entity framework core
Ans. 
CFA and DFA are Change-Tracking and Database-First Approaches in Entity Framework Core.
• CFA (Change-Tracking Approach) is used to track changes made to entities in memory and then save them to the database.

• DFA (Database-First Approach) is used to generate entity classes and DbContext from an existing database schema.

• CFA is useful when working with disconnected entities, while DFA is useful when working with an existing ...read more
Answered by AI
Add your answer

Q1. Basic questions
Add your answer

Q1. Asked about projects. Quite aloberately.
Add your answer
Q2. What is authorization and authentication?
Ans. 
Authentication verifies the identity of a user, while authorization determines what actions they are allowed to perform.
• Authentication confirms the identity of a user through credentials like passwords or biometrics.

• Authorization determines the level of access a user has to resources or actions.

• Example: Logging into a system with a username and password is authentication, while being able to view or edit specific files
Answered by AI
Add your answer