Khoros Software Engineer Level 1 Interview Questions and Answers

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
Ans. 
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
Ans. 
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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Q1. I was asked about pascals triangle and basic questions from oops, dbms, SQL, networking and other topics.
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