HCL Group Team Leader (Technical) Interview Questions and Answers

Q1. Questions asked related to Graphql, Nodejs and Typescript
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Q2. Typescript basic to advance topics
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Q3. Microservices in apollo federation
Ans. 
Apollo Federation is a way to compose multiple GraphQL services into a single schema
• Microservices in Apollo Federation allow for independent development and deployment of services

• Each microservice can have its own data source and business logic

• Apollo Federation provides a gateway that routes requests to the appropriate microservice
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Q1. Basic .net questions
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Q2. All basic only, you can clear it
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Q1. Fundamentals of apache spark and kafka
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Apache Spark is a fast and general-purpose cluster computing system. Apache Kafka is a distributed streaming platform.
• Apache Spark is used for big data processing and analytics, providing in-memory computing capabilities.

• Apache Kafka is used for building real-time data pipelines and streaming applications.

• Apache Spark can be integrated with Apache Kafka for real-time data processing.

• Both Apache Spark and Apache Kafka a...read more
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Q2. Fundamentals of data formats used in spark
Ans. 
Data formats used in Spark include JSON, Parquet, Avro, and ORC.
• JSON: Lightweight data interchange format

• Parquet: Columnar storage format optimized for query performance

• Avro: Compact, fast, and efficient binary format

• ORC: Optimized Row Columnar format for large-scale data processing
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Q1. Difference between Intercompany and intracompany?
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Intercompany refers to transactions between two or more companies within the same group, while intracompany refers to transactions within the same company.
• Intercompany transactions involve entities that are part of the same corporate group.

• Intracompany transactions occur within a single company.

• Intercompany transactions are typically eliminated during consolidation to avoid double counting.

• Intracompany transactions are...read more
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Q1. Dont Join this company its messed up
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Q1. Dont join this company
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Q1. Tell me about yourself
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Q1. Salary negotiable
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Have confidence. Don't try to interrupt. Be clear and precise. Disagree in a polite way. Even if you don't know anything about the topic listen to what others speak and try gather points from it. You have to involve and make your voice get noticed. Silence won't work in GD.

So, aptitude test depends on the organisation's criteria. Think in a broad way and answer. Nothing is new is the key to score in aptitude test.

Q1. Why you think you should be selected? Never lie. This is the place where most of us get caught. First understand your job Nature. Then you will automatically get answer for this question. Don't be one side...read more
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Q2. What will be your contribution? Think on what objectives you can work even more broadly. This will help you to stand out.
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