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ZS Decision Scientist Interview Questions and Answers
ZS Decision Scientist Interview Experiences
2 interviews found
Manas Sharma
(1 Question)
- Q1. What is xgboost algorithm
- Ans.
XGBoost is a powerful machine learning algorithm known for its speed and performance in handling large datasets.
XGBoost stands for eXtreme Gradient Boosting
It is an implementation of gradient boosted decision trees designed for speed and performance
XGBoost is widely used in machine learning competitions and real-world applications
It can handle missing data, regularization, parallel processing, and custom optimization o...
Anonymous
Selected
I applied via Company Website and was interviewed before Feb 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Question is what he asked
- Q2. Answer is what I gave
(2 Questions)
- Q1. Again an question was asked
- Q2. And I answered again
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I applied via Recruitment Consultant and was interviewed before Sep 2020. There were 3 interview rounds.
Interview Questionnaire
3 Questions
- Q1. 1. Why do you want to change?
- Q2. 2. What is your goal?
- Q3. 3. Critical project you have handled?
Interview Preparation Tips
I applied via Campus Placement and was interviewed before May 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. TELL ME ABOUT YOURSELF
Interview Preparation Tips
I applied via Walk-in and was interviewed before May 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Add your question
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Jul 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Why Java is platform independent?
- Ans.
Java is platform independent due to its bytecode and JVM.
Java code is compiled into bytecode which is platform-independent.
JVM (Java Virtual Machine) interprets the bytecode and executes it on any platform.
JVM acts as an abstraction layer between the Java code and the underlying hardware.
This allows Java programs to run on any platform that has a JVM installed.
For example, a Java program written on a Windows machine ca...
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed before Apr 2021. There were 2 interview rounds.
(3 Questions)
- Q1. Spring container and beans
- Q2. Annotations used in Springboot
- Ans.
Annotations are used in Springboot to simplify configuration and reduce boilerplate code.
Annotations are used to define the behavior of Spring components
They can be used to define the scope of a bean, inject dependencies, and handle exceptions
Some commonly used annotations include @Component, @Autowired, and @ExceptionHandler
- Q3. Java 8 New Features and explanation
- Ans.
Java 8 introduced several new features including lambda expressions, streams, and default methods.
Lambda expressions allow for functional programming and simplify code.
Streams provide a way to process collections of data in a functional style.
Default methods allow for adding new methods to interfaces without breaking existing implementations.
Other features include the Optional class, Date and Time API, and Nashorn Java
(1 Question)
- Q1. What is your expected package
Interview Preparation Tips
Skills evaluated in this interview
I applied via Recruitment Consultant and was interviewed before Aug 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Tell me about yourself
Interview Preparation Tips
I applied via Company Website and was interviewed before Jan 2021. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. How do you manage client
- Ans.
Managing clients involves effective communication, understanding their needs, and building strong relationships.
Regular communication to understand their needs and expectations
Providing timely updates and progress reports
Building trust and rapport through active listening and empathy
Managing expectations and addressing any concerns or issues promptly
Ensuring client satisfaction through quality deliverables and excellen...
Interview Preparation Tips
I applied via Referral and was interviewed before Jun 2020. There were 5 interview rounds.
Interview Questionnaire
1 Question
- Q1. My expected tenure, education, technical insights
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ZS Decision Scientist Interview Process
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