Khoros Software Engineer Level 1 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. Fibonacci, swap without 3rd var
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Q2. Non repetitive char in string
Ans. 
Find the first non-repetitive character in a string.
• Iterate through the string and count the occurrences of each character.

• Return the first character with a count of 1.
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Scenario based questions

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. Design patterns, Collections
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Q2. Spring Boot, Annotations, controller class, hibernate
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Q1. What is let, const and var?
Ans. 
let, const, and var are keywords used for variable declaration in JavaScript.
• let is block-scoped and can be reassigned.

• const is block-scoped but cannot be reassigned.

• var is function-scoped and can be reassigned.
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Basics questions of logical reasoning , english , mathematics etc

Q1. How to check current version of java coding question reverse a string project explaniation that you mention in your resume. interfaces?
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Q2. Encapsulation vs abstraction
Ans. 
Encapsulation is hiding implementation details while abstraction is hiding unnecessary details.
• Encapsulation is achieved through access modifiers like private, protected, and public.

• Abstraction is achieved through abstract classes and interfaces.

• Encapsulation protects the data from external interference while abstraction focuses on the essential features.

• Example of encapsulation: hiding the implementation details of a ...read more
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Q3. Jvm vs jre vs jdk
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JVM is a virtual machine that executes Java bytecode. JRE is a runtime environment that includes JVM and libraries. JDK is a development kit that includes JRE and tools for developing Java applications.
• JVM stands for Java Virtual Machine and is responsible for executing Java bytecode.

• JRE stands for Java Runtime Environment and includes JVM and libraries required to run Java applications.

• JDK stands for Java Development ...read more
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Q1. Action Filters In MVC
Ans. 
Action filters are used in ASP.NET MVC to execute code before or after an action method is called.
• Action filters can be used to perform authentication and authorization checks.

• They can also be used to modify the result of an action method.

• Examples of action filters include Authorize, OutputCache, and HandleError.

• Action filters can be applied globally, to a controller, or to an individual action method.
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Q2. What is the difference between controller and API controller
Ans. 
A controller is used for handling user requests while an API controller is used for handling API requests.
• A controller is used for rendering views while an API controller is used for returning data in JSON format.

• API controllers are usually lighter and faster than regular controllers.

• API controllers are often used for building RESTful APIs.

• Examples of API frameworks that use API controllers include Laravel and ASP.NET
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Q1. Difference between IEnumerable and IQuriable
Ans. 
IEnumerable is read-only and forward-only while IQueryable is queryable and can be used with LINQ to SQL.
• IEnumerable is used for in-memory collections while IQueryable is used for querying external data sources.

• IQueryable allows for deferred execution while IEnumerable does not.

• IQueryable can be used with LINQ to SQL to translate queries into SQL statements.

• IEnumerable is simpler and more lightweight than IQueryable.

• IE...read more
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Q2. What is the use of Yield Key word
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Yield keyword is used in Python to create generators that can be used to iterate over large datasets without loading them into memory.
• Yield is used to pause and resume a function's execution.

• Generators created using yield are memory efficient as they only load data when needed.

• Yield can be used to implement lazy evaluation.

• Yield can be used to create infinite sequences.

• Example: def my_generator(): yield 1; yield 2; yie...read more
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