Quantum Core Info Systems Interview Questions and Answers

Q1. Experience in past proyects
Ans. 
I have worked on various projects ranging from web development to mobile app development, gaining experience in different technologies and frameworks.
• Developed a web application using React.js and Node.js for a client in the e-commerce industry

• Created a mobile app using Flutter for a startup in the travel sector

• Collaborated with a team to implement a machine learning algorithm for data analysis in a research project
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Q2. Experience leading a group of develeopers
Ans. 
Led a team of developers on a project to develop a new software application.
• Managed a team of 5 developers to ensure project deadlines were met

• Assigned tasks to team members based on their strengths and expertise

• Held regular team meetings to discuss progress and address any issues

• Provided guidance and support to team members when needed

• Collaborated with other departments to gather requirements and feedback
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Q1. It was more like a talk about your experience
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Q2. Code test to create a small search enginee
Ans. 
Code test to create a small search engine
• Create a function that takes a search query and an array of strings as input

• Iterate through the array of strings to find matches with the search query

• Return an array of strings that contain the search query
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The technical aptitude was assessed through scenario-based questions during the L1 portion.

Q1. The technical panel conducted discussions on both scenarios and coding.
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Q1. HR discussion is the final round of the interview process.
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Q1. What was the last technical issue that you faced and how did you resolve it
Ans. 
Resolved a CSS layout issue by using flexbox properties
• Identified the specific element causing the layout issue

• Reviewed the existing CSS code to understand the styling applied

• Implemented flexbox properties like justify-content and align-items to fix the layout problem
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Q2. How will you implement multiselect
Ans. 
Implement multiselect using checkboxes or dropdown with multiple selection enabled
• Use checkboxes or a dropdown with multiple selection enabled

• Allow users to select multiple options by clicking on checkboxes or selecting from dropdown

• Store selected options in an array of strings
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60mins test duration

Q1. What are Linux commands
Ans. 
Linux commands are instructions given to the operating system to perform specific tasks or operations.
• Linux commands are case-sensitive

• Commands are typically entered in the terminal

• Common commands include ls (list files), cd (change directory), mkdir (make directory)

• Commands can be combined with options and arguments for more specific actions
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Q2. What is virtualization concept
Ans. 
Virtualization is the process of creating a virtual version of a device or resource, such as a server, storage device, network or operating system.
• Virtualization allows multiple virtual instances to run on a single physical machine

• It helps in optimizing resources and improving efficiency

• Examples include VMware for server virtualization, VirtualBox for desktop virtualization
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Q1. SQL queries and differences b/w delete and truncate
Ans. 
Delete and truncate are SQL commands used to remove data from a table, but with key differences.
• DELETE is a DML command used to remove specific rows from a table based on a condition.

• TRUNCATE is a DDL command used to remove all rows from a table, resetting auto-increment values.

• DELETE can be rolled back, while TRUNCATE cannot be rolled back.

• DELETE triggers ON DELETE triggers, while TRUNCATE does not trigger any trigger...read more
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Q2. What is cloud and aws
Ans. 
Cloud computing is the delivery of computing services like servers, storage, databases, networking, software, analytics, and intelligence over the internet.
• AWS (Amazon Web Services) is a popular cloud computing platform offered by Amazon.

• Cloud computing allows users to access resources on-demand without the need for physical infrastructure.

• AWS provides a wide range of services such as EC2 (Elastic Compute Cloud), S3 (S...read more
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Given one at home assignment to create a lwc component

Q1. How to have different pricing based on regions
Ans. 
Different pricing based on regions can be achieved by using price rules and custom fields in Salesforce.
• Create custom fields to store region information for each account or opportunity

• Use price rules to set different prices based on the region

• Utilize workflow rules or process builder to automate the pricing based on region

• Consider using custom metadata types for easier maintenance and scalability
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Q2. Parent to child relation in lwc
Ans. 
Parent to child relation in LWC refers to the relationship between a parent component and its child components in Lightning Web Components.
• Use @api decorator in child component to expose properties to parent component

• Use @track decorator in parent component to track changes in child components

• Communicate between parent and child components using events or properties
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Q1. How to implement caching in web apis
Ans. 
Caching in web APIs improves performance by storing frequently accessed data
• Use in-memory caching for fast access to data

• Implement output caching to store responses for future requests

• Consider using distributed caching for scalability

• Set appropriate cache expiration policies to ensure data freshness
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Q2. Disadvantage of repository pattern
Ans. 
One disadvantage of the repository pattern is the potential for over-abstraction and complexity.
• Can lead to unnecessary complexity in simple applications

• May result in additional overhead and performance issues

• Difficult to implement complex queries efficiently

• Can lead to code duplication if not properly managed
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Q3. Anagrams program.
Ans. 
An anagrams program checks if two strings are anagrams of each other.
• Create a function that takes in two strings as input

• Remove any spaces and punctuation from the strings

• Convert both strings to lowercase for case-insensitive comparison

• Sort the characters in both strings

• Check if the sorted strings are equal to determine if they are anagrams
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Q1. Explain Quote to Cash Process with Example
Ans. 
Quote to Cash Process involves generating a quote for a customer and then converting it into a sales order and invoice upon acceptance.
• Customer requests a quote for a product or service

• Sales team creates a quote with pricing and terms

• Customer reviews and accepts the quote

• Quote is converted into a sales order

• Product or service is delivered to the customer

• Invoice is generated and sent to the customer for payment
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Q2. Write User Stories for the CPQ Pricing Use Cases
Ans. 
User Stories for CPQ Pricing Use Cases
• As a sales representative, I want to easily create quotes with accurate pricing for customers.

• As a customer, I want to see transparent pricing breakdowns for products and services.

• As a manager, I want to track pricing changes and approvals for audit purposes.
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Q1. Authentication typee, what is sso
Ans. 
SSO stands for Single Sign-On, a method of authentication that allows a user to access multiple applications with one set of login credentials.
• SSO eliminates the need for users to remember multiple passwords for different applications.

• Users can log in once and have access to all authorized applications without needing to log in again.

• Examples of SSO providers include Okta, Microsoft Azure AD, and Google G Suite.
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Q2. Scrum related questions
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Q1. Previous exp in banking domain
Ans. 
Yes, I have 5 years of experience working in the banking domain.
• Managed projects for implementing new banking software systems

• Worked closely with stakeholders to ensure project goals aligned with business objectives

• Led a team of developers to customize banking applications for client needs
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Q1. Real time application
Ans. 
Real time application refers to software that processes data as it is received, providing instant feedback or results.
• Real time applications require low latency for immediate response

• Examples include live chat applications, stock trading platforms, and online gaming

• Data is processed and displayed instantly without delay
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Q2. What domain experience you have
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Q1. Salary negotiation ,company culture
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