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MSCI Interview Questions and Answers
44 Interview questions
A dynamic football game featuring customizable teams, real-time strategy, and immersive gameplay for players of all skill levels.
Team Customization: Players can create and modify their teams with unique uniforms and player attributes.
Realistic Physics: The game uses advanced physics for ball movement and player interactions, enhancing realism.
Multiplayer Modes: Includes options for local co-op, online matches, and...
Use a hash map to efficiently find pairs in an integer array that sum to a target value.
1. Use a hash map to store numbers and their indices for quick lookup.
2. Iterate through the array, for each number, calculate the complement needed to reach the target sum.
3. Check if the complement exists in the hash map; if it does, you've found a pair.
4. Example: For array [2, 7, 11, 15] and target 9, 2 + 7 = 9; store 2 in ...
Best practices for high throughput and low latency APIs include efficient design, caching, and asynchronous processing.
Use RESTful design principles to create stateless APIs, which can scale better.
Implement caching strategies (e.g., Redis, Memcached) to reduce load on backend services.
Optimize database queries and use indexing to speed up data retrieval.
Utilize asynchronous processing (e.g., message queues like R...
HTML is the standard markup language for creating web pages, while HTML5 is its latest version with enhanced features.
HTML (HyperText Markup Language) is the foundation of web pages, while HTML5 is the fifth version with new capabilities.
HTML5 supports multimedia elements like <audio> and <video>, which were not natively supported in earlier versions.
HTML5 introduces semantic elements like <header&g...
JavaScript is a scripting language for web development, while Java is a robust, object-oriented programming language.
JavaScript is primarily used for client-side web development, while Java is used for server-side applications.
JavaScript is dynamically typed, meaning variable types are determined at runtime, whereas Java is statically typed, requiring explicit type declaration.
JavaScript runs in web browsers, whil...
Java is a high-level, object-oriented programming language used for building applications across various platforms.
Platform-independent: Write once, run anywhere (WORA) - Java applications can run on any device with a Java Virtual Machine (JVM).
Object-oriented: Supports concepts like inheritance, encapsulation, and polymorphism, making code reusable and modular.
Rich API: Provides a comprehensive set of libraries f...
Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in HTML or XML.
CSS controls layout, colors, fonts, and overall visual appearance of web pages.
It allows for responsive design, adapting layouts for different screen sizes (e.g., mobile vs. desktop).
CSS can be applied inline, embedded in the head of an HTML document, or linked as an external stylesheet.
Exam...
A data type defines the kind of data a variable can hold, such as integers, strings, or booleans.
Integer: Represents whole numbers, e.g., 1, 42, -7.
String: Represents text, e.g., 'Hello', 'Data Entry'.
Boolean: Represents true/false values, e.g., true, false.
Float: Represents decimal numbers, e.g., 3.14, -0.001.
A class in programming is a blueprint for creating objects, encapsulating data and methods to operate on that data.
A class defines properties (attributes) and behaviors (methods) of objects.
Example: In a 'Car' class, attributes could be 'color' and 'model', while methods could be 'drive()' and 'stop()'.
Classes support inheritance, allowing new classes to inherit properties and methods from existing ones.
Example: A...
Interfaces define contracts for classes, while inheritance allows classes to share properties and methods.
An interface is a reference type in programming that defines a contract of methods and properties without implementation.
Example of an interface in Java: 'interface Animal { void sound(); }'
Inheritance allows a class to inherit properties and methods from another class, promoting code reusability.
Example of in...
MSCI Interview Experiences
54 interviews found
Anonymous
Selected
I appeared for an interview in May 2025, where I was asked the following questions.
- Q1. 1st round aptitude, 2nd round f2f technical interview where they ask abt self intro, abt family, abt projects briefly, abt additional course, abt domain knowledge, abt situation based qn, and abt company, ...
- Q2. Not an dificult of interviews but communication has been matters most.
Interview Preparation Tips
Gauresh Pandit
I applied via Referral and was interviewed in Jul 2024. There were 3 interview rounds.
Simple java questions, one coding question and one design question
(5 Questions)
- Q1. What is visitor pattern?
- Ans.
Visitor pattern is a design pattern where a visitor class is used to perform operations on elements of a data structure.
Visitor pattern allows adding new operations to existing classes without modifying them
It separates the algorithm from the object structure on which it operates
Commonly used in compilers, interpreters, and other complex systems
- Q2. You have a 2d array {{1,2},{1,3},{5,6}}. Calculate the sum of elements of 1st position in every array with Java 8.
- Ans.
Calculate sum of elements at 1st position in each array using Java 8.
Use Java 8 stream to map each array to its 1st element and then sum them up.
Example: {{1,2},{1,3},{5,6}} -> 1 + 1 + 5 = 7
- Q3. Design Thread collector class
- Ans.
Thread collector class to manage and organize threads in a system
Create a ThreadCollector class with methods to add, remove, and retrieve threads
Implement a data structure like a list or queue to store the threads
Ensure thread safety by using synchronization mechanisms like locks or semaphores
- Q4. What is volatile?
- Ans.
Volatile refers to a type of memory storage that is temporary and can change frequently.
Volatile memory loses its data when power is turned off, unlike non-volatile memory.
Volatile memory is commonly used for temporary storage of data that needs to be quickly accessed and modified.
Examples of volatile memory include RAM (Random Access Memory) in computers and cache memory in processors.
- Q5. Sql query to remove duplicates
- Ans.
Use the DISTINCT keyword in a SELECT statement to remove duplicates from a table.
Use the SELECT DISTINCT statement to retrieve unique rows from a table.
For example: SELECT DISTINCT column_name FROM table_name;
Another way is to use the GROUP BY clause with the COUNT() function to remove duplicates.
For example: SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name;
(2 Questions)
- Q1. Why do you think you are fit for this role?
- Ans.
I possess the technical expertise, leadership skills, and strategic vision necessary to excel as Vice President of Engineering.
Extensive Technical Background: With over 15 years in software engineering, I have led teams in developing scalable applications, such as a cloud-based platform that increased user engagement by 40%.
Proven Leadership: I have successfully managed cross-functional teams, fostering collaboration a...
- Q2. Why are you leaving your current company?
- Ans.
Seeking new challenges and opportunities for growth.
Desire for new challenges and opportunities
Looking for career advancement
Seeking a more innovative and dynamic work environment
Interview Preparation Tips
Skills evaluated in this interview
I applied via Referral and was interviewed in Aug 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Describe your projects
- Ans.
I have worked on various projects involving data analysis, market research, and process improvement.
Conducted market research to identify new opportunities for product development
Utilized data analysis techniques to optimize business processes
Implemented process improvement strategies to increase efficiency and reduce costs
- Q2. All about resume
(2 Questions)
- Q1. What is normalisation
- Q2. How is data stored in power BI
- Ans.
Data in Power BI is stored in a compressed columnar format called VertiPaq.
Data in Power BI is stored in a compressed columnar format called VertiPaq.
VertiPaq stores data in memory, allowing for fast query performance.
Power BI also supports DirectQuery mode where data is queried directly from the data source.
Data can be imported into Power BI or connected live to the data source.
(2 Questions)
- Q1. How did you write BRDs
- Ans.
I wrote BRDs by gathering requirements from stakeholders, documenting them clearly, and ensuring alignment with project goals.
Conducting interviews with stakeholders to gather requirements
Documenting requirements in a clear and structured manner
Ensuring alignment of requirements with project goals
Reviewing and revising BRDs based on feedback
- Q2. What is the motivating and demotivating factor when joining a new organization
- Ans.
Motivating factors include growth opportunities and positive work culture, while demotivating factors include lack of recognition and poor management.
Motivating factors: opportunities for growth and advancement, positive work culture, competitive salary and benefits
Demotivating factors: lack of recognition for hard work, poor management and leadership, toxic work environment
Examples: A motivating factor could be a clea...
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Jul 2024. There were 3 interview rounds.
2 coding questions and 1 sql query question
(2 Questions)
- Q1. LRU cache memory implementation using linked list
- Ans.
LRU cache memory can be implemented using a linked list to store and manage recently used items efficiently.
Use a doubly linked list to keep track of the order of items based on their usage.
When an item is accessed, move it to the front of the list to indicate it is the most recently used.
If the cache is full, remove the least recently used item from the end of the list.
Maintain a hashmap for quick access to items in t...
- Q2. Sliding window coding question
- Ans.
Sliding window technique efficiently solves problems involving subarrays or substrings by maintaining a dynamic range.
1. Define the window: Identify the start and end indices of the window.
2. Expand the window: Move the end index to include new elements until a condition is met.
3. Contract the window: Move the start index to reduce the window size when the condition is violated.
4. Keep track of results: Store or update...
(1 Question)
- Q1. Questions on projects
Skills evaluated in this interview
(1 Question)
- Q1. What is VAR? Methods of calculating VAR
- Ans.
VAR stands for Value at Risk, a measure used to assess the potential loss in value of a portfolio due to market risk.
VAR is a statistical measure used to quantify the level of financial risk within a firm or investment portfolio.
There are different methods to calculate VAR such as historical simulation, parametric method, and Monte Carlo simulation.
Historical simulation involves using historical data to estimate potent...
Selected
I appeared for an interview in Feb 2025, where I was asked the following questions.
- Q1. What is software?
- Ans.
Software is a collection of programs and data that instructs a computer on how to perform specific tasks.
Software can be categorized into system software (e.g., operating systems like Windows) and application software (e.g., Microsoft Word).
Programming languages (e.g., Python, Java) are used to create software applications.
Software can be proprietary (e.g., Adobe Photoshop) or open-source (e.g., Linux).
Software updates...
- Q2. What is an array, and what are the different types of arrays?
- Ans.
An array is a collection of items stored at contiguous memory locations, allowing efficient data management.
1. One-Dimensional Array: A linear list of elements, e.g., ['apple', 'banana', 'cherry'].
2. Two-Dimensional Array: A grid-like structure, e.g., [['apple', 'banana'], ['cherry', 'date']].
3. Multi-Dimensional Array: Arrays with more than two dimensions, e.g., a 3D array for storing data in layers.
4. Dynamic Array: ...
- Q3. What is an operator?
- Ans.
An operator is a person or system that performs specific tasks or functions, often involving data manipulation or processing.
Operators can be human or automated systems, like software applications.
In data entry, an operator inputs, updates, or manages data in databases.
Examples include data entry clerks, machine operators, and software operators.
Operators may also perform quality checks to ensure data accuracy.
- Q4. What are interface and inheritance in programming?
- Ans.
Interfaces define contracts for classes, while inheritance allows classes to share properties and methods.
An interface is a reference type in programming that defines a contract of methods and properties without implementation.
Example of an interface in Java: 'interface Animal { void sound(); }'
Inheritance allows a class to inherit properties and methods from another class, promoting code reusability.
Example of inherit...
- Q5. What is polymorphism in programming?
- Ans.
Polymorphism allows methods to do different things based on the object it is acting upon, enhancing flexibility in programming.
Polymorphism is a core concept in object-oriented programming.
It allows methods to be defined in multiple forms.
Example: A function 'draw()' can be used for both 'Circle' and 'Square' classes.
There are two types: compile-time (method overloading) and runtime (method overriding).
Polymorphism pro...
- Q6. What is the definition of a class in programming?
- Ans.
A class in programming is a blueprint for creating objects, encapsulating data and methods to operate on that data.
A class defines properties (attributes) and behaviors (methods) of objects.
Example: In a 'Car' class, attributes could be 'color' and 'model', while methods could be 'drive()' and 'stop()'.
Classes support inheritance, allowing new classes to inherit properties and methods from existing ones.
Example: A 'Ele...
- Q7. What are HTML and HTML5, and what are the differences between them?
- Ans.
HTML is the standard markup language for creating web pages, while HTML5 is its latest version with enhanced features.
HTML (HyperText Markup Language) is the foundation of web pages, while HTML5 is the fifth version with new capabilities.
HTML5 supports multimedia elements like <audio> and <video>, which were not natively supported in earlier versions.
HTML5 introduces semantic elements like <header>, &...
- Q8. What is Cascading Style Sheets (CSS)?
- Ans.
Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in HTML or XML.
CSS controls layout, colors, fonts, and overall visual appearance of web pages.
It allows for responsive design, adapting layouts for different screen sizes (e.g., mobile vs. desktop).
CSS can be applied inline, embedded in the head of an HTML document, or linked as an external stylesheet.
Example: ...
- Q9. What is a data type?
- Ans.
A data type defines the kind of data a variable can hold, such as integers, strings, or booleans.
Integer: Represents whole numbers, e.g., 1, 42, -7.
String: Represents text, e.g., 'Hello', 'Data Entry'.
Boolean: Represents true/false values, e.g., true, false.
Float: Represents decimal numbers, e.g., 3.14, -0.001.
- Q10. What are the differences between JavaScript and Java?
- Ans.
JavaScript is a scripting language for web development, while Java is a robust, object-oriented programming language.
JavaScript is primarily used for client-side web development, while Java is used for server-side applications.
JavaScript is dynamically typed, meaning variable types are determined at runtime, whereas Java is statically typed, requiring explicit type declaration.
JavaScript runs in web browsers, while Jav...
- Q11. What is Java?
- Ans.
Java is a high-level, object-oriented programming language used for building applications across various platforms.
Platform-independent: Write once, run anywhere (WORA) - Java applications can run on any device with a Java Virtual Machine (JVM).
Object-oriented: Supports concepts like inheritance, encapsulation, and polymorphism, making code reusable and modular.
Rich API: Provides a comprehensive set of libraries for ta...
I appeared for an interview in Feb 2025.
DSA questions - 2, SQL - 1
DSA questions - 2, SQL - 1
Interview Preparation Tips
Megha Gupta
(2 Questions)
- Q1. About previous company project
- Q2. Weakness and strengths
Interview Preparation Tips
I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.
It was a test which I have to complete in one hour
(2 Questions)
- Q1. They asked me some technical questions related to my CV
- Q2. They told about my responsibility
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.
HackerRank Test on 2 coding and 1 SQL question.
(2 Questions)
- Q1. OOPS, Data Structures and algorithm coding questions.
- Q2. SQL query question
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