Bigshare Services Salesforce Developer Interview Questions and Answers

Q1. Basic details around experience
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Q1. Basic details and system design
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Q1. Coding for a solution
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Q1. What are statics functions in OOPS
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Static functions in OOP are functions that belong to the class itself, rather than to instances of the class.
• Static functions can be called without creating an instance of the class.

• They are commonly used for utility functions that do not require access to instance-specific data.

• Static functions are declared using the 'static' keyword in many programming languages.

• Example: In Java, a static function in a class can be c
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Q2. What is Polymorphism in OOPs
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Polymorphism in OOPs allows objects of different classes to be treated as objects of a common superclass.
• Polymorphism allows methods to be called on objects of different classes that all inherit from a common superclass.

• It enables a single interface to be used for different data types or classes.

• Examples include method overriding in inheritance and method overloading within the same class.
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Q3. What is websockets and its alternative
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Websockets are a communication protocol that allows for full-duplex communication between a client and a server over a single, long-lived connection.
• Websockets provide real-time, bi-directional communication between a client and a server.

• They are commonly used in applications that require instant updates, such as chat applications, online gaming, and financial trading platforms.

• Websockets use a persistent connection, u...read more
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Q4. What is JWT and How it works
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JWT stands for JSON Web Token, a compact and self-contained way for securely transmitting information between parties as a JSON object.
• JWT is composed of three parts: header, payload, and signature.

• Header typically consists of the type of token and the hashing algorithm being used.

• Payload contains the claims, which are statements about an entity and additional data.

• Signature is created by encoding the header, payload, ...read more
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Basic problems on strings and arrays

Q1. Full detailed questions on .net technologies
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Aptitude based on distance, time and pattern matching

Coding Test include Basic Question of DSA

Q1. Explain your Project?
Ans. 
Developed a web-based project management tool for tracking tasks and deadlines.
• Used HTML, CSS, and JavaScript for front-end development

• Utilized Node.js and Express for back-end development

• Implemented user authentication and authorization using JWT tokens

• Integrated with MongoDB for database storage
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Q2. Why do want to be a Software Developer?
Ans. 
I am passionate about problem-solving, enjoy coding, and want to contribute to innovative technology solutions.
• Passionate about problem-solving

• Enjoy coding and building software

• Want to contribute to innovative technology solutions
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Q1. Max heap DSA question
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Q2. Amazon like system design
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Q1. Excel formulas u knew
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I am familiar with a variety of Excel formulas including VLOOKUP, SUMIF, COUNTIF, INDEX/MATCH, and IF functions.
• VLOOKUP: Used to search for a value in a table and return a corresponding value from another column.

• SUMIF: Adds the cells specified by a given condition or criteria.

• COUNTIF: Counts the number of cells within a range that meet a certain condition.

• INDEX/MATCH: Used together to look up a value in a table based o...read more
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Q2. Power query questions
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Q1. About ur self, ceo of our company
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Q2. Tell me about Oops concept
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Oops concept is a programming paradigm that focuses on objects and their interactions.
• Oops stands for Object-Oriented Programming System

• It emphasizes on encapsulation, inheritance, and polymorphism

• Encapsulation is the process of hiding the implementation details of an object from the outside world

• Inheritance allows a class to inherit properties and methods from another class

• Polymorphism allows objects of different clas...read more
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Two hours and 32 questions

Q1. Write commands for DML
Ans. 
DML commands are used to manipulate data in a database. Examples include INSERT, UPDATE, DELETE.
• INSERT: Adds new data into a table

• UPDATE: Modifies existing data in a table

• DELETE: Removes data from a table
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Q2. Write commands for Joins
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Joins are used to combine rows from two or more tables based on a related column between them.
• INNER JOIN: Returns rows when there is at least one match in both tables

• LEFT JOIN: Returns all rows from the left table and the matched rows from the right table

• RIGHT JOIN: Returns all rows from the right table and the matched rows from the left table

• FULL JOIN: Returns rows when there is a match in one of the tables
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Q1. Ask questions regarding advance excel
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Q2. Ask questions from Power BI
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