CLSA Technologies And Services Associate Interview Questions and Answers

Q1. Java new features in 8
Ans. 
Java 8 introduced several new features including lambda expressions, functional interfaces, streams, and default methods.
• Lambda expressions allow you to treat functionality as a method argument.

• Functional interfaces have a single abstract method and can be used with lambda expressions.

• Streams provide a way to work with sequences of elements and perform operations on them.

• Default methods allow interfaces to have method ...read more
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Q2. Difficulties faced in the current/previous project & how we resolved it
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We faced challenges with communication and conflicting priorities, resolved through regular team meetings and clear task delegation.
• Lack of clear communication among team members

• Conflicting priorities leading to delays in project timeline

• Resolved by scheduling regular team meetings to discuss progress and issues

• Clear task delegation to ensure everyone knows their responsibilities
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Q3. What is OOPS
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OOPS stands for Object-Oriented Programming System. It is a programming paradigm based on the concept of objects.
• OOPS focuses on creating objects that contain data and methods to manipulate that data.

• Encapsulation, inheritance, and polymorphism are key principles of OOPS.

• Examples of OOPS languages include Java, C++, and Python.
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Q4. What is Functional programming
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Functional programming is a programming paradigm that treats computation as the evaluation of mathematical functions and avoids changing state and mutable data.
• Focuses on pure functions that do not have side effects

• Emphasizes immutability and avoids changing state

• Uses higher-order functions and function composition

• Commonly used languages include Haskell, Scala, and Clojure
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Q5. Difference between OOPS and functional programming
Ans. 
OOPS focuses on objects and classes, while functional programming focuses on functions and immutability.
• OOPS is based on the concept of objects and classes, allowing for encapsulation, inheritance, and polymorphism.

• Functional programming emphasizes on functions as first-class citizens, immutability, and avoiding side effects.

• OOPS is more suitable for complex, real-world applications with changing state, while functiona...read more
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Q6. Which framework I worked in Java
Ans. 
I have worked with the Spring framework in Java.
• Utilized Spring MVC for web development

• Implemented dependency injection with Spring IoC container

• Integrated Spring Security for authentication and authorization
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Q7. What all are the annotations that we use in Spring Boot & it's usage
Ans. 
Some common annotations used in Spring Boot are @RestController, @Autowired, @RequestMapping, @Service, @Component, @Repository.
• @RestController - Used to define a controller class in Spring MVC.

• @Autowired - Used for automatic dependency injection.

• @RequestMapping - Used to map web requests to specific handler methods.

• @Service - Indicates that a class is a service.

• @Component - Indicates that a class is a Spring component...read more
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Q1. Tell me about yourself, work experience & education
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I am a dedicated professional with a strong educational background and diverse work experience.
• I have a Bachelor's degree in Business Administration from XYZ University.

• I have worked in various roles in marketing, sales, and customer service.

• I am proficient in Microsoft Office Suite and have excellent communication skills.

• I am a quick learner and thrive in fast-paced environments.

• I am passionate about continuous learni
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Q1. Tell me about yourself
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I am a dedicated and experienced professional with a background in marketing and project management.
• I have over 5 years of experience in marketing roles, where I successfully implemented various campaigns to increase brand awareness.

• I also have a strong background in project management, where I led cross-functional teams to deliver projects on time and within budget.

• I am highly organized, detail-oriented, and thrive in...read more
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Q2. Something that is not there on your CV
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Profitability case on bank

Q1. What is an introduction to Human Resources (HR)?
Ans. 
HR is a department within an organization responsible for managing employees, recruiting, training, and handling employee relations.
• HR oversees recruitment and hiring processes

• HR manages employee benefits and payroll

• HR handles employee relations and conflict resolution

• HR is responsible for training and development programs
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Q1. Could you provide an introduction about yourself?
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I am a highly motivated and detail-oriented individual with a strong background in finance and a passion for problem-solving.
• Experienced in financial analysis and reporting

• Skilled in data analysis and modeling

• Strong communication and interpersonal skills

• Proven track record of meeting deadlines and exceeding goals
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Q1. What is sql vulnerability
Ans. 
SQL vulnerability is a security flaw in a database system that allows attackers to manipulate or access data unauthorized.
• SQL injection is a common type of SQL vulnerability where attackers can insert malicious code into SQL statements.

• Attackers can use SQL vulnerabilities to steal sensitive data, modify data, or even delete data from a database.

• Preventing SQL vulnerabilities involves using parameterized queries, input...read more
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Q2. Ssl pining and how to by pass
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Q1. What is your process
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My process involves thorough research, planning, execution, and evaluation to ensure successful outcomes.
• Research: I start by gathering all relevant information and data.

• Planning: I create a detailed plan outlining the steps to be taken.

• Execution: I implement the plan efficiently and effectively.

• Evaluation: I assess the results and make any necessary adjustments for improvement.
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Q2. Why are you changing
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Aptitude ,reasoning and soft skills .

Q1. Introduction your self?
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Q2. What is the java?
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Good questions Everything Went Well

Q1. DataFrames and DatasetsHow do you create a DataFrame in PySpark?Explain the difference between a DataFrame and a Dataset in Spark.How can you perform joins in PySpark DataFrames? Give examples.What are som...read more
Ans. 
Creating and working with DataFrames in PySpark
• To create a DataFrame in PySpark, you can use the createDataFrame() method from the SparkSession object.

• DataFrames are structured and immutable collections of data, while Datasets are distributed collections of data with additional features like type-safety.

• To perform joins in PySpark DataFrames, you can use the join() method with the appropriate join type (inner, outer, l...read more
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Q2. From pyspark.sql import DataFrame, SparkSession from pyspark.sql.functions import col, explode_outer from pyspark.sql.types import ArrayType, StructType def flatten(df: DataFrame) -> DataFrame: # Init...read more
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Aptitude reasoning grammatical

Social media women empowerment

Q1. Project work and testing
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Q2. Technical question
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Q1. Why do we hair you
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Q2. What was the salary expectation
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I am looking for a competitive salary based on my experience and qualifications.
• Research industry standards for the position

• Consider my experience and qualifications

• Open to negotiation based on benefits package
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Q1. About, Details about last company
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Q2. Discussion of CTC
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Q1. Why you joining?
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Q1. Basic coding like Count and printing no. of objects created, Count no. of characters in a String.
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Q2. Basic Java CORE questions
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Q1. Security aspect in Microservices
Ans. 
Security in Microservices involves implementing authentication, authorization, encryption, and monitoring to protect against threats.
• Implement authentication and authorization mechanisms to control access to microservices.

• Use encryption to secure communication between microservices.

• Implement monitoring and logging to detect and respond to security incidents.

• Consider using API gateways for centralized security control.

• R...read more
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Q2. Concurrency Handling
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