HCLTech Senior Developer Interview Questions and Answers

Q1. What’s Mulesoft ? What’s Munit ? What’s Runtime Manager ? What’s Scaling ? What’s RAML ?
Ans. 
Mulesoft is an integration platform that connects applications, data, and devices.
• Munit is a testing framework for Mulesoft applications.

• Runtime Manager is a cloud-based platform for managing Mulesoft applications.

• Scaling refers to the ability of Mulesoft to handle increased traffic and workload.

• RAML is a language used to define APIs in a human-readable format.
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Q2. Explain any one interface of your project ?
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Q3. Explain secure property ?
Ans. 
Secure property refers to a property that is protected from unauthorized access or modification.
• Secure property can be achieved through encryption, access control, and authentication.

• Examples of secure properties include passwords, financial information, and personal data.

• Secure property is important for maintaining privacy and preventing data breaches.
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Q4. What different connector have you worked on ? Explain then
Ans. 
I have worked on various connectors including REST, SOAP, JDBC, and JMS.
• I have experience working with REST APIs and building RESTful web services.

• I have worked with SOAP APIs and have experience in creating SOAP-based web services.

• I have worked with JDBC connectors and have experience in connecting to databases using JDBC drivers.

• I have experience working with JMS and have implemented messaging systems using JMS.

• I hav...read more
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Q5. Explain batch job , scatter gather ?
Ans. 
Batch job is a process of executing a series of jobs in a batch mode. Scatter gather is a technique of parallel processing.
• Batch job is used for processing large volumes of data in a batch mode.

• Scatter gather is used for parallel processing of data across multiple nodes.

• Batch job is sequential in nature while scatter gather is parallel.

• Batch job is commonly used in ETL processes while scatter gather is used in distribu...read more
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Q6. What’s routing ? Explain exception handling
Ans. 
Routing is the process of selecting a path for network traffic to travel.
• Routing is used in networking to determine the best path for data to travel between devices.

• It involves analyzing the network topology and selecting the most efficient path.

• Routing protocols like OSPF and BGP are used to automate the process.

• Exception handling is the process of dealing with errors and exceptions in code.

• It involves catching and ha...read more
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Q7. Explain everything you know about Mulesoft
Ans. 
Mulesoft is an integration platform that connects applications, data, and devices.
• Mulesoft is used for building APIs and integrating different systems

• It provides a unified platform for managing APIs, integrations, and analytics

• Mulesoft uses Anypoint Studio for development and deployment

• It supports various protocols and data formats including REST, SOAP, JSON, and XML

• Mulesoft offers pre-built connectors for popular appl...read more
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Q1. Oops concepts,how you used in your existing application
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Q2. What Routing mechanism in web api
Ans. 
Web API uses attribute routing and convention-based routing for routing mechanism.
• Web API uses attribute routing to define routes directly on the controller actions or at the controller level.

• Convention-based routing is based on the naming conventions of the controller and action methods.

• Attribute routing allows for more control over the URIs and is preferred for complex routing scenarios.
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Q1. Its pure technical
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Q2. They will your domainrelatedquestions
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Q1. Its the managerial round
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Q1. They will start with low salary so pls ask your expected ones
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Q1. 1.Candidate and Super Key in SQL Server. 2.Difference in join and sub query. 3. How to achieve abstraction , Write the example. 4. can we write Static Function and constructor in Abstract class.
Ans. 
Answers to SQL Server and OOP related questions for Senior Developer position.
• Candidate key is a unique identifier for a row in a table, while super key is a set of columns that can uniquely identify a row.

• Join combines data from two or more tables based on a related column, while subquery is a query within another query.

• Abstraction can be achieved by creating abstract classes or interfaces that define common propertie...read more
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Q1. Explain about about you and background and your experiences and expertise areas. Difficulties or challenges that we faced in our last project What is performance tuning in Teradata and how to do one? Whet...read more
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Q1. What are your salary expectations?
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Q1. Explain about your experience and expertise? Tell about yourself?
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Q1. Tell about yourself? Explain your last project and the challenges that you faced and if any appreciation you got from clients?
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Coding environment provided and asked me to write programs

Q1. Expected salary
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Q2. Why you leaving current company
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