Enquero Senior Data Scientist Interview Questions and Answers

Q1. Mostly on OOP's basic and some tricky questions related SOLID concepts
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2 coding questions in 45 min

Q1. Basics of java and frameworks
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Q2. Basics of SQL and types of queries
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30 min of logical reasoning and basic aptitude

30 min of GD over a general topic to check your communication skills

Q1. Why do you want to join our company
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Q2. Why should we hire you
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Q1. Profile discussion based on resume
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SQL test based on queries output

Q1. Technical round based on resume
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Q2. Sql question based on query and technical discussion on various technology
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Q1. Project and responsibilities based on resume
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Q1. Tell about yourself
Ans. 
I am a data analyst with a background in statistics and programming, passionate about turning data into actionable insights.
• Background in statistics and programming

• Experience in data analysis and visualization tools like Python, R, and Tableau

• Strong problem-solving skills and attention to detail

• Ability to communicate complex data findings to non-technical stakeholders
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Q2. Rate yourself in sql
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I rate myself as proficient in SQL with experience in writing complex queries and optimizing database performance.
• Proficient in writing complex SQL queries

• Experience in optimizing database performance

• Familiar with database management systems like MySQL, PostgreSQL, etc.
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Q1. Mostly asked java springboot questions
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Q2. What is interceptor
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An interceptor is a middleware component that intercepts incoming and outgoing HTTP requests in an application.
• Interceptors can be used for logging, authentication, error handling, and modifying requests/responses.

• In Angular, interceptors can be used to add headers to HTTP requests or handle errors globally.

• In Spring framework, interceptors can be used for pre-processing and post-processing of requests.

• Interceptors are...read more
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Q3. What are all functional interfaces available in java
Ans. 
Functional interfaces in Java are interfaces with a single abstract method, used for lambda expressions and method references.
• Functional interfaces can be found in the java.util.function package.

• Examples of functional interfaces include Consumer, Supplier, Predicate, and Function.

• Functional interfaces can be identified by the @FunctionalInterface annotation.
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Q4. Gatway implementation in spring boot
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Gateway implementation in Spring Boot allows for routing and filtering of incoming requests to different microservices.
• Use Spring Cloud Gateway for implementing gateway in Spring Boot

• Define routes and filters in application.properties or application.yml

• Example: routes: - id: my_route uri: http://localhost:8080 predicates: - Path=/my_route/**

• Example: filters: - AddRequestHeader=X-Request-Foo, Bar
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Q5. Java 8 coding questions
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Q1. Print star and some basic java
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Q1. Mostly about your previous experience
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Q1. Same nothing fancy.............
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Q1. They will judge your attitude
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