Persistent Systems SDE (Software Development Engineer) Interview Questions and Answers

Q1. MCQ questions based on skills
Add your answer
Q2. MCQ questions based on resume
Add your answer

Q1. Implement Stack using queue
Ans. 
Implement a stack using a queue data structure.
• Create two queues, q1 and q2.

• Push elements into q1.

• When popping, dequeue all elements from q1 and enqueue them into q2 until the last element.

• Dequeue and return the last element from q1.

• Swap q1 and q2 after each push or pop operation.
Answered by AI
Add your answer

Q1. Run time polymorphism code
Add your answer
Q2. Linked list code
Add your answer
Q3. Deep copy shallow copy differences
Ans. 
Deep copy creates a new copy of an object with its own unique memory space, while shallow copy creates a new object that references the same memory locations as the original object.
• Deep copy duplicates all nested objects, while shallow copy only duplicates the references to nested objects.

• Deep copy ensures that changes to the copied object do not affect the original object, while shallow copy may lead to unintended sid...read more
Answered by AI
Add your answer

Q1. More deep questions about polymorphism code
Add your answer
Q2. Code for interchange of strings without strcpy
Ans. 
Use a loop to swap characters of two strings without using strcpy function.
• Create two arrays of characters to store the strings

• Use a loop to iterate through each character of the strings and swap them

• Ensure to handle cases where strings have different lengths
Answered by AI
Add your answer

Q1. What is Pricing Rule & Product Rule?
Ans. 
Pricing Rule & Product Rule are mathematical concepts used in calculus to find derivatives of functions.
• Pricing Rule is used to find the derivative of a function that involves a product of two functions.

• Product Rule is used to find the derivative of a function that involves the product of two functions.

• Pricing Rule: (f(x)g(x))' = f'(x)g(x) + f(x)g'(x)

• Product Rule: (fg)' = f'g + fg'
Answered by AI
Add your answer
Q2. Can you please explain the Project you have worked on and the difficulties you faced?
Add your answer
Q3. What are the Option contraint?
Ans. 
Option constraints are restrictions placed on the values that can be assigned to an option in a software system.
• Option constraints define the valid range of values for an option.

• They can include minimum and maximum values, allowed data types, and specific values.

• For example, an option for selecting a color may have constraints that limit the choices to 'red', 'blue', or 'green'.
Answered by AI
Add your answer
Q4. What rae the Configuration Attribute?
Ans. 
Configuration attributes are settings that define the behavior of a software system.
• Configuration attributes can include parameters such as database connection strings, logging levels, and feature toggles.

• They are typically stored in configuration files or databases.

• Changing configuration attributes can alter the behavior of the software without modifying its code.

• Configuration attributes are used to customize the soft...read more
Answered by AI
Add your answer
Q5. What is Flow specially Record Triggered flow?
Ans. 
Record Triggered Flow is a type of Flow in Salesforce that is triggered when a record is created or updated.
• Record Triggered Flow is used to automate processes in Salesforce based on changes to records.

• It can be set to run before or after the record is saved.

• Record Triggered Flow can access and update related records as well.

• It is a powerful tool for automating complex business processes in Salesforce.
Answered by AI
Add your answer
Q6. What is MDQ (Multi Dimensional Quote)?
Ans. 
MDQ (Multi Dimensional Quote) is a tool used in software development to estimate the effort required for a project by considering multiple dimensions.
• MDQ takes into account various factors such as complexity, team experience, technology stack, and project scope.

• It helps in providing a more accurate estimation of the time and resources needed for a project.

• For example, a project with a high complexity level and a new te...read more
Answered by AI
Add your answer
Q7. What is Pricing Waterfall?
Ans. 
Pricing waterfall is a method used to analyze and optimize pricing strategies by breaking down the pricing process into different components.
• Pricing waterfall helps in understanding the impact of various factors on pricing decisions.

• It involves analyzing costs, competition, customer demand, and other market factors to determine the optimal pricing strategy.

• Examples of components in a pricing waterfall include fixed cos...read more
Answered by AI
Add your answer
Q8. Explain Discount Schedule ?
Ans. 
A discount schedule is a set of rules or guidelines that determine the amount of discount a customer receives based on various factors.
• Discount schedules can be based on factors such as quantity purchased, customer loyalty, or promotional events.

• For example, a discount schedule may offer a 10% discount for purchases of 10 items or more.

• Another example could be a loyalty program where customers receive increasing discou...read more
Answered by AI
Add your answer
Q9. What are the different Pricing Method?
Ans. 
Different pricing methods include cost-plus pricing, value-based pricing, competition-based pricing, and dynamic pricing.
• Cost-plus pricing involves adding a markup to the cost of production.

• Value-based pricing sets prices based on the perceived value to the customer.

• Competition-based pricing involves setting prices based on competitors' prices.

• Dynamic pricing adjusts prices in real-time based on demand and other factor
Answered by AI
Add your answer
Q10. What are the different Product we have in CPQ?
Ans. 
CPQ offers multiple products including Configure, Price, Quote, Contract Management, and Billing.
• Configure: Allows users to customize products based on customer needs

• Price: Calculates pricing based on configurations and discounts

• Quote: Generates quotes for customers based on configured products

• Contract Management: Manages contracts and agreements with customers

• Billing: Handles invoicing and payment processing
Answered by AI
Add your answer

Q1. What is QCP (Quote Calculator Plugin)?
Ans. 
QCP is a software plugin used for calculating quotes for products or services.
• QCP is a tool used in sales or e-commerce platforms to provide accurate pricing information to customers.

• It can factor in variables such as quantity, discounts, taxes, and shipping costs to generate a final quote.

• QCP can be customized to fit the specific pricing structure and rules of a business.

• Examples of QCP include plugins for online shop...read more
Answered by AI
Add your answer
Q2. Explain any Special Field in CPQ?
Ans. 
Special Field in CPQ refers to a custom field that is unique to a specific use case or industry.
• Special fields can be used to capture industry-specific data or unique requirements.

• Examples include fields for pricing rules in the manufacturing industry or contract terms in the telecommunications industry.
Answered by AI
Add your answer
Q3. Have you worked on Amendment? Explain it?
Ans. 
Yes, I have worked on Amendment. It involves making changes to existing software code or documentation.
• Amendment involves modifying existing code or documentation to improve functionality or fix issues.

• Examples include updating a software feature to meet new requirements, fixing bugs in the code, or enhancing performance.

• Amendment may also involve revising documentation to reflect changes made to the software.
Answered by AI
Add your answer
Q4. What is renewal in CPQ? Explain the complete Flow?
Ans. 
Renewal in CPQ refers to the process of renewing a contract or subscription for a product or service.
• Renewal in CPQ involves generating a renewal quote for an existing contract or subscription.

• The renewal flow typically includes reviewing the terms of the existing contract, making any necessary adjustments, and generating a new quote for the renewed contract.

• Customers may have the option to renew their contract for a s...read more
Answered by AI
Add your answer
Q5. Explain Quote to Cash Flow?
Ans. 
Quote to Cash Flow is the process of generating revenue from the initial quote to the final payment.
• Quote to Cash Flow involves the entire sales process from creating a quote for a product or service to receiving payment for that product or service.

• It includes activities such as quoting, invoicing, order fulfillment, and payment collection.

• The goal of Quote to Cash Flow is to streamline the sales process and improve ca...read more
Answered by AI
Add your answer
Q6. What is Package level Setting?
Ans. 
Package level setting refers to configuration settings that apply to an entire package of software components.
• Package level settings are configuration options that affect all components within a software package.

• These settings are typically defined at the package level and apply globally.

• Examples include setting default values for variables, defining access control rules, or specifying logging levels.

• Package level sett...read more
Answered by AI
Add your answer
Q7. What is Bundle Product and Nested Bundle?
Ans. 
Bundle product is a group of related products sold together, while nested bundle is a bundle within a bundle.
• Bundle product is a collection of multiple products sold together as a single unit.

• Nested bundle is a bundle that contains another bundle within it.

• Example: A laptop bundle may include a laptop, a laptop bag, and a mouse. Within this bundle, there could be a nested bundle for extended warranty options.
Answered by AI
Add your answer
Q8. What is Guided Selling?
Ans. 
Guided selling is a sales technique where the salesperson guides the customer through the buying process, offering personalized recommendations and advice.
• Involves salesperson providing personalized recommendations to customers

• Helps customers make informed decisions during the buying process

• Often used in e-commerce websites to suggest products based on customer preferences
Answered by AI
Add your answer
Q9. Explain Usages Based Product?
Ans. 
Usages based product refers to a pricing model where customers are charged based on their usage of the product or service.
• Customers are charged based on the amount or frequency of their usage.

• Common in industries like cloud computing, SaaS, and utilities.

• Examples include pay-as-you-go cloud services, metered electricity usage, and usage-based insurance.
Answered by AI
Add your answer
Q10. What is Batch APEX?
Ans. 
Batch APEX is a feature in Salesforce that allows developers to process records in bulk using Apex code.
• Batch APEX is used to handle large volumes of data in Salesforce.

• It is commonly used for tasks like data cleansing, data migration, and data processing.

• Batch APEX classes implement the Database.Batchable interface and are executed asynchronously.

• Developers can monitor and manage Batch APEX jobs through the Salesforce
Answered by AI
Add your answer

It contain 40 question which is very easy

It contain 3 coding question

Q1. Introduction About Your Self and About Project
Add your answer
Q2. Two dsa question of leetcode
Add your answer
Q3. Basics Concept on dsa
Add your answer
Q4. From which platform you do coding
Add your answer
Q5. Simple Simple Question
Add your answer

One coding test happen

Q1. Java questions, spring boot framework questions
Add your answer
Q2. DSA using stream api
Ans. 
Using stream API for Data Structures and Algorithms
• Stream API in Java can be used to perform operations on collections like filtering, mapping, reducing, etc.

• It can be used for implementing various data structures and algorithms efficiently.

• For example, you can use stream API to find the sum of all elements in an array or filter out even numbers from a list.
Answered by AI
Add your answer

Q1. Java questions and spring boot questions
Add your answer
Q2. One program using stream api
Ans. 
Using stream API to filter a list of numbers and find the sum of even numbers
• Use Stream.filter() to filter out even numbers

• Use Stream.mapToInt() to convert stream to IntStream

• Use IntStream.sum() to find the sum of even numbers
Answered by AI
Add your answer