Automatic Data Processing (ADP) Architect Interview Questions and Answers

Designarchitect for an ecommerce wensite

Q1. What you about oracle
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Q2. Why you want to join oracle
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Q1. Conver month to mocroservices using oci paas service
Ans. 
Transforming a monolithic application to microservices using OCI PaaS involves several strategic steps and tools.
• Identify and isolate functionalities in the monolith that can be converted into independent services.

• Utilize Oracle Cloud Infrastructure (OCI) services like Oracle Functions for serverless microservices.

• Leverage Oracle Kubernetes Engine (OKE) for container orchestration of microservices.

• Implement API Gateway...read more
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Q1. How do you convert monolithic application to mocroservices?
Ans. 
To convert a monolithic application to microservices, you need to break down the application into smaller, independent services.
• Identify the different functionalities of the monolithic application

• Decide on the boundaries of each microservice

• Refactor the codebase to separate out the functionalities into individual services

• Implement communication between the microservices using APIs or messaging queues

• Deploy the microser...read more
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Q1. Micro services concept, cloud concept, batch processing
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Q1. Kafka, spring batch , cloud best practices, containerization, Architectural principles,
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Q1. Managerial Round No technical questions
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Q1. Salary, Work Policy
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Round duration - 50 minutes
Round difficulty - Easy

This was a Data Structural round.

Q1. 
Distinct Islands Problem Statement
Given a two-dimensional array/list consisting of integers 0s and 1s, where 1 represents land and 0 represents water, determine the number of distinct islands. A group of...read more
Ans. 
Count the number of distinct islands in a 2D array of 0s and 1s.
• Identify islands by performing depth-first search (DFS) on the grid

• Use a set to store the shape of each island and check for duplicates

• Consider translations to determine distinct islands
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Round duration - 50 minutes
Round difficulty - Easy

This was a Data Structural round.

Q1. 
Word Wrap Problem Statement
You are tasked with arranging 'N' words of varying lengths such that each line contains at most 'M' characters, with each word separated by a space. The challenge is to minimiz...read more
Ans. 
The goal is to minimize the total cost of arranging 'N' words on each line with a maximum character limit 'M'.
• Calculate the cost of each line as the cube of extra space characters needed to reach 'M'.

• Minimize the total cost by arranging words to fit within the character limit on each line.

• Ensure each word appears fully on one line without breaking across lines.
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Round duration - 60 minutes
Round difficulty - Easy

This was a System Design round.

Q1. Can you design a system similar to Red Bus that can handle bookings and onboard both vendors and customers to the platform?
Ans. 
Design a system similar to Red Bus for handling bookings and onboarding vendors and customers.
• Implement a user-friendly interface for customers to search and book tickets

• Create a vendor portal for vendors to manage their offerings and availability

• Include payment gateway integration for secure transactions

• Develop a robust backend system for managing bookings, cancellations, and refunds

• Utilize a database to store user in...read more
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Round duration - 50 minutes
Round difficulty - Easy

This was a System Design round

Round duration - 50 minutes
Round difficulty - Easy

This was an HR round.