Futures First info Services Senior Research Associate Interview Questions and Answers

Q1. All scenario based
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Q2. Where do you see yourself in 5 years?
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Q3. In difficult situation what you do?
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Q4. Are you a team person?
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Q1. What is difference between @primary and @Qualifier?
Ans. 
Primary is used to define a primary bean when multiple beans of the same type are present, while Qualifier is used to specify which bean to autowire when multiple beans of the same type are present.
• Primary annotation is used to give a higher preference to a bean when multiple beans of the same type are present in the Spring application context.

• Qualifier annotation is used to specify which bean to autowire when multiple...read more
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Q2. How we can handle fault tolerance in Microservices?
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Fault tolerance in Microservices can be achieved through redundancy, graceful degradation, and circuit breakers.
• Implementing redundancy by having multiple instances of each microservice running to handle failures.

• Using graceful degradation to ensure that the system can still function even if certain microservices are unavailable.

• Utilizing circuit breakers to prevent cascading failures by temporarily stopping requests t
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Q3. How to implement spring security?
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Implementing Spring Security involves configuring security settings in the Spring application.
• Add Spring Security dependency in pom.xml

• Configure security settings in SecurityConfig class

• Define user roles and permissions

• Use annotations like @EnableWebSecurity and @Secured
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Q4. Explain OAuth 2 implementation?
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OAuth 2 is an authorization framework that allows a third-party application to obtain limited access to an HTTP service.
• OAuth 2 is used for delegated access, allowing a user to grant a third-party application access to their resources without sharing their credentials.

• It involves the use of access tokens, which are issued by the authorization server after the user authenticates and authorizes the application.

• OAuth 2 su...read more
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Q1. Memory management in Java ?
Ans. 
Java uses automatic memory management through garbage collection to allocate and deallocate memory.
• Java uses garbage collection to automatically manage memory by deallocating objects that are no longer needed.

• The JVM has a heap where objects are allocated and garbage collection is performed to reclaim memory.

• Java provides the 'finalize()' method for objects to perform cleanup before they are garbage collected.

• Memory le...read more
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Q2. Different types of gc?
Ans. 
Different types of garbage collection algorithms in software development.
• Mark and Sweep: Identifies and removes unreachable objects.

• Generational: Divides objects into different generations based on age.

• Parallel: Uses multiple threads to perform garbage collection concurrently.

• Incremental: Spreads garbage collection work over multiple cycles to reduce pause times.
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Q3. Difference between executors &executorservice?
Ans. 
Executors are a class that provides factory and utility methods for Executor, ExecutorService is an interface that represents an asynchronous execution service.
• Executors class provides factory and utility methods for Executor interface

• ExecutorService is an interface that represents an asynchronous execution service

• ExecutorService extends Executor interface

• ExecutorService provides methods to manage termination and produ...read more
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Q1. Arraylist find duplicate
Ans. 
Find duplicates in an ArrayList of strings.
• Iterate through the ArrayList and use a HashSet to keep track of seen elements.

• If an element is already in the HashSet, it is a duplicate.

• Store the duplicates in a separate ArrayList or print them directly.
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Basic process related questions

Q1. Questions on professional experience
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Q1. Explain your favourite memory
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Q1. Introduction and experience
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The aptitude test contained questions regarding financial concepts and logical reasoning.

Q1. What do you know about Venture Capital.
Ans. 
Venture capital is a type of private equity financing that investors provide to startup companies and small businesses that are believed to have long-term growth potential.
• Venture capital is typically provided by professional investors or firms to startups and small businesses.

• Investors in venture capital expect high returns on their investments, often through an eventual sale of the company or an initial public offeri...read more
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Q1. Discussion about the salary
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Reasoning, maths, typing test

Q1. Basic questions of finance field
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Q1. Situational questions
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Basic aptitude questions, related to finance & role specific questions.