Connect Infosoft Technologies Senior Developer Interview Questions and Answers

Q1. Difference between custom setting and custom metadata
Ans. 
Custom settings are org-specific, while custom metadata can be deployed across orgs.
• Custom settings are hierarchical and can be accessed using a hierarchy custom setting type

• Custom metadata is deployable and can be used in managed packages

• Custom settings are stored in the application cache, while custom metadata is stored in the metadata cache
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Q2. Difference between profile and role
Ans. 
Profile is a summary of a person's skills and experience, while role is the specific job or position they hold within an organization.
• Profile is a broader overview of a person's qualifications and background.

• Role is a specific set of responsibilities and tasks assigned to an individual within a company.

• Profiles can include education, work experience, skills, and achievements.

• Roles can be defined by job titles such as S...read more
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Easy exam sample available on youtube

Q1. What are step functions.
Ans. 
Step functions are a type of serverless function that allow you to create workflows by chaining multiple functions together.
• Step functions are used to coordinate multiple AWS services into serverless workflows.

• They allow you to define a series of steps in a workflow, with each step being a separate function.

• You can use step functions to handle complex business logic, long-running processes, and error handling.

• Step func...read more
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Q2. How to scale lambdas
Ans. 
Scaling lambdas involves optimizing memory usage, increasing concurrency, and managing dependencies.
• Optimize memory usage by reducing unnecessary variables and objects

• Increase concurrency by using asynchronous programming and parallel processing

• Manage dependencies by breaking down functions into smaller, more modular components

• Consider using AWS Lambda Provisioned Concurrency for consistent performance
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Q1. How did you handled a difficult collegelue
Ans. 
I addressed the issue directly and professionally, seeking to understand their perspective and find common ground.
• Approached the colleague privately to discuss the issue

• Listened actively to their concerns and perspective

• Sought to find common ground and reach a resolution

• Maintained professionalism and respect throughout the conversation
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Perl basic code related to hash

Q1. Core JavaScript concept
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Q2. Write an example for the closure
Ans. 
A closure is a function that has access to its own scope, as well as the outer scope in which it was defined.
• A closure can access variables from its outer function even after the outer function has finished executing.

• Closures are commonly used in event handlers, callbacks, and asynchronous code.

• Example: const outerFunction = () => { const outerVar = 'I am outer'; return () => { console.log(outerVar); }; }; const innerF...read more
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Q3. Diffrence between Normal and Arrow Fuction and its example
Ans. 
Arrow functions are concise syntax for writing functions in JavaScript, compared to normal functions.
• Arrow functions do not have their own 'this' keyword, they inherit it from the parent scope.

• Arrow functions do not have 'arguments' object.

• Arrow functions cannot be used as constructors.

• Arrow functions are more concise and easier to read compared to normal functions.
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Q4. React States and Props, Hook, Life cycle method
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Q1. Opps, solid principle, agile methodology, database query, mvc framework, design pattern
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Write code on bot scenarios

Q1. Write the implementation for list in Scala
Ans. 
Implementation of list in Scala
• Use the List class in Scala to create a list

• Lists are immutable and can hold elements of the same type

• Example: val myList = List(1, 2, 3, 4, 5)
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Q1. Basic core java questions, spring boot and spring mvc questions and other project related questions
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Q1. Project related questions and infrastructure of application
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Q1. Salary negotiation, company policy explanation
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