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McLaren Strategic Ventures Blockchain Developer Interview Questions and Answers
McLaren Strategic Ventures Blockchain Developer Interview Experiences
1 interview found
Vijay Sugali (Chari)
Selected
I applied via Naukri.com and was interviewed in Nov 2023. There were 2 interview rounds.
(2 Questions)
- Q1. How to disable transfer method in smart contracts of private blockchains?
- Ans.
To disable transfer method in smart contracts of private blockchains, modify the contract code to remove the transfer functionality.
Modify the smart contract code to remove the transfer method
Update the contract's functions to restrict transfer functionality
Implement access control mechanisms to prevent unauthorized transfers
- Q2. Code split payment method using Solidity
- Ans.
Code split payment method using Solidity
Create a function in Solidity to split payment between multiple recipients
Use the 'transfer' function to send the split payments to each recipient
Ensure the total amount sent equals the original payment amount
(2 Questions)
- Q1. Tell me about yourself
- Q2. Why do you want to switch company?
Interview Preparation Tips
Skills evaluated in this interview
Blockchain Developer Jobs at McLaren Strategic Ventures
Interview questions from similar companies
Anonymous
I applied via Approached by Company and was interviewed in Dec 2023. There were 2 interview rounds.
(5 Questions)
- Q1. Complete lifecycle for a blockchain transaction?
- Ans.
The complete lifecycle for a blockchain transaction involves creation, validation, broadcast, inclusion in a block, and confirmation.
Creation of transaction by sender
Validation of transaction by network nodes
Broadcasting of transaction to network
Inclusion of transaction in a block by miners
Confirmation of transaction by consensus of network nodes
- Q2. Can we publish our own cusotom blockchain if yes what are the steps for that??
- Ans.
Yes, you can publish your own custom blockchain by following these steps.
Define the purpose and requirements of your custom blockchain
Choose a consensus mechanism (e.g. Proof of Work, Proof of Stake)
Select a suitable blockchain platform (e.g. Ethereum, Hyperledger)
Develop and deploy the custom blockchain network
Test the network for functionality and security
Launch and promote your custom blockchain to attract users and
- Q3. How we estimate gas for a transaction?
- Ans.
Gas for a transaction is estimated based on the computational resources required to execute the transaction on the blockchain network.
Gas is a unit used to measure the computational work required to process transactions on the blockchain.
Gas cost is determined by the complexity of the transaction and the amount of data being processed.
Developers can estimate gas by using tools like the Ethereum Gas Station or by simula...
- Q4. Difference between proof of work and proof of stack?
- Ans.
Proof of work requires miners to solve complex mathematical puzzles to validate transactions, while proof of stake selects validators based on the amount of cryptocurrency they hold.
Proof of work involves miners solving complex mathematical puzzles to validate transactions
Proof of stake selects validators based on the amount of cryptocurrency they hold
Proof of work is energy-intensive and requires significant computati...
- Q5. Canwe inharit class in solidity?
- Ans.
Yes, inheritance is possible in Solidity.
Solidity supports inheritance, allowing one contract to inherit properties and methods from another.
Inheritance is achieved using the 'is' keyword followed by the name of the base contract.
Child contracts can access the functions and variables of the parent contract.
Multiple inheritance is also supported in Solidity.
Interview Preparation Tips
Skills evaluated in this interview
Full Stack Developer Interview Questions & Answers
Cynosure Corporate Solutions
Modi Santhosh
posted on 14 Dec 2024
I was interviewed in Nov 2024.
Some basic questions related to profit, time, and distance.
Identify the missing number in the array and remove the duplicate string from another string, then write the remaining portion.
(4 Questions)
- Q1. What is rest api's
- Ans.
REST APIs are a set of rules and conventions for building and interacting with web services.
REST stands for Representational State Transfer
Uses standard HTTP methods like GET, POST, PUT, DELETE
Data is transferred in JSON or XML format
Stateless communication between client and server
Example: GET request to retrieve data from a server
- Q2. What is components
- Ans.
Components in software development are modular, reusable parts of a system that perform specific functions.
Components are building blocks of a software system
They are designed to be modular and reusable
Each component performs a specific function or set of functions
Examples include buttons, forms, navigation bars in a web application
- Q3. Some related to github
- Q4. Explain about api testing
- Ans.
API testing involves testing the functionality, reliability, performance, and security of APIs.
API testing ensures that the API functions as expected and meets the requirements.
It involves testing the input parameters, output, authentication, error codes, and response time.
Tools like Postman, SoapUI, and JMeter are commonly used for API testing.
API testing can be done manually or automated using scripts.
Common types of...
(2 Questions)
- Q1. Explain about your project
- Ans.
Developed a web application for online food ordering and delivery service
Used React.js for front-end development
Implemented Node.js and Express.js for back-end functionality
Integrated payment gateway for secure transactions
- Q2. What is the logical problem involving 2 rooms, 3 bulbs, and 3 switches?
Interview Preparation Tips
Skills evaluated in this interview
Salesforce Developer Interview Questions & Answers
Ernst & Young
Krishna Chaitanya
posted on 9 Oct 2024
I applied via Recruitment Consulltant and was interviewed in Sep 2024. There were 2 interview rounds.
(2 Questions)
- Q1. When you want delete account accosiated with contact. The account should not get deleted.
- Ans.
To delete an account associated with a contact without deleting the account itself.
Remove the contact's association with the account before deleting the contact.
Check for any other dependencies before deleting the contact.
Consider creating a custom field to track the association between the contact and account.
- Q2. Do have experience in flows, Explain the flows
- Ans.
Flows are declarative automation tools in Salesforce used to automate business processes by collecting data and performing operations.
Flows are created using a visual designer in Salesforce.
They can automate complex business processes without writing code.
Flows can collect data from users, interact with Salesforce, and make decisions based on user input or data.
They can be triggered by various events like record change...
(2 Questions)
- Q1. When rating is hot update description
- Ans.
When a rating is hot, update the description accordingly.
Monitor user feedback and ratings regularly
Update the description based on the latest ratings and reviews
Consider adding specific details or addressing common concerns mentioned in the feedback
- Q2. Tell me about yourself
- Ans.
I am a Salesforce Developer with 5 years of experience in designing and implementing custom solutions for clients.
5 years of experience in Salesforce development
Strong expertise in designing and implementing custom solutions
Proficient in Apex, Visualforce, and Lightning components
Certified Salesforce Developer
Experience working with clients to understand their requirements and deliver solutions
I applied via Company Website and was interviewed in Nov 2024. There were 2 interview rounds.
(2 Questions)
- Q1. What's your experience
- Q2. Whats your Qualifications
(2 Questions)
- Q1. What are joins?
- Q2. Oops concept and its implementation
Interview Preparation Tips
I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.
(5 Questions)
- Q1. What is Salesforce service cloud
- Ans.
Salesforce Service Cloud is a customer service platform that helps businesses manage and improve customer interactions.
It allows businesses to provide personalized customer support through various channels such as phone, email, chat, and social media.
Service Cloud includes features like case management, knowledge base, and omni-channel routing to streamline customer service processes.
It integrates with other Salesforce...
- Q2. How do you rate your self in coding
- Q3. Salesforce Security model question
- Q4. Have you worked on flows
- Ans.
Yes, I have worked on flows in Salesforce.
I have experience creating flows to automate business processes in Salesforce.
I have used flows to streamline data entry and update records efficiently.
I have integrated flows with other Salesforce features like Process Builder and Apex triggers.
- Q5. Mostly asked what you mentioned in your resume
(3 Questions)
- Q1. Write trigger on parent child scenario
- Ans.
Writing trigger on parent child scenario in Salesforce
Create trigger on parent object
Use trigger context variables to access child records
Perform necessary operations on child records based on parent record changes
- Q2. Wha are important feature of service cloud, LWC decorators, events in lwc, asynchronous apex , batch class, flows and its type , experience cloud basics .
- Ans.
Service Cloud features, LWC decorators, events, asynchronous apex, batch class, flows, and experience cloud basics.
Service Cloud features include case management, knowledge base, omni-channel routing, and service console.
LWC decorators are used to add metadata to Lightning web components, such as @api, @track, and @wire.
Events in LWC are used for communication between components, such as standard events like onchange a...
- Q3. Expectations was user should know each and every topic of Salesforce
Interview Preparation Tips
HR says feedback is good, you got selected no need of next round , Asked what is final expected salary and notice period , for which i already shared before screening process .
Then after couple of days HR calls back and said Panel no sure about you wants to check another round of interview. Even my second round was good answer almost all questions. Not got any feedback from HR despite of couple of follow up .
People who want to apply make sure that you share your expectations with HR clearly .
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Dec 2023. There were 2 interview rounds.
Coding round in Hackerrank with 2 questions , 1 medium and 1 easy
(2 Questions)
- Q1. About OOPs concepts
- Q2. About hashtables and hashing
Interview Preparation Tips
Selected
I applied via LinkedIn and was interviewed before Jul 2023. There were 5 interview rounds.
Hackerrank online assessment
Case study with a little bit of math for scenario based questions
2 questions of coding with a live interviewer
Behavioral and coding with a senior engineer
(2 Questions)
- Q1. How do you handle conflicts
- Q2. What was the most challenging problem you had to solve so far
Interview Preparation Tips
Selected
I applied via campus placement at Fr Conceicao Rodrigues College of Engineering, Mumbai and was interviewed before Apr 2023. There were 2 interview rounds.
1 20 mark easy ques and 1 50 mark med ques, time : 1h 30 mins i guess
(2 Questions)
- Q1. Common elemnts two list , oops
- Q2. Case study and oops sql
Interview Preparation Tips
(2 Questions)
- Q1. What is trigger in salesforce
- Ans.
A trigger in Salesforce is a piece of code that is executed before or after specific data manipulation events, such as insert, update, or delete.
Triggers are used to perform custom actions on records in Salesforce.
Triggers can be written in Apex programming language.
Triggers can be executed before or after specific events like insert, update, or delete.
Triggers are associated with a specific object in Salesforce.
Exampl...
- Q2. Type of flows in salesforce
- Ans.
There are three types of flows in Salesforce: Autolaunched Flows, Screen Flows, and Scheduled Flows.
Autolaunched Flows are triggered by a process or Apex trigger and do not require user interaction.
Screen Flows guide users through a series of screens to collect and display information.
Scheduled Flows are triggered by a schedule and can automate repetitive tasks.
Skills evaluated in this interview
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