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100+ FAPL Interview Questions and Answers

Updated 9 Jan 2025
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Q101. Do you know telecalling?

Ans.

Yes, telecalling involves making phone calls to potential clients or customers to promote products or services.

  • Telecalling involves making outbound calls to potential customers or clients.

  • The goal of telecalling is to promote products or services, generate leads, or set up appointments.

  • Telecallers need to have good communication skills, be persuasive, and have a clear understanding of the product or service they are promoting.

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Q102. Sorting algorithms in any language

Ans.

Sorting algorithms are used to arrange elements in a specific order in an array.

  • Common sorting algorithms include Bubble Sort, Selection Sort, Insertion Sort, Merge Sort, Quick Sort, and Heap Sort.

  • Each algorithm has its own time complexity and best/worst case scenarios.

  • For example, Merge Sort has a time complexity of O(n log n) and is efficient for large datasets.

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Q103. Articulate Product Strategy for a market migration/mass enablement

Ans.

Develop a product strategy to enable mass migration in the market.

  • Conduct market research to identify target segments and their needs

  • Create a roadmap for product development and deployment

  • Implement marketing campaigns to educate and attract customers

  • Provide training and support for users transitioning to the new product

  • Monitor and analyze feedback to make continuous improvements

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Q104. provide an example how you solved a problem

Ans.

I solved a problem by using machine learning algorithms to predict customer churn for a telecom company.

  • Identified relevant data sources such as customer demographics, usage patterns, and customer service interactions.

  • Preprocessed and cleaned the data to handle missing values and outliers.

  • Built and trained a machine learning model using algorithms like logistic regression and random forest.

  • Evaluated the model's performance using metrics like accuracy, precision, recall, and F...read more

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Q105. Diff b/w Interface and Abstract class

Ans.

Interface is a blueprint of a class while Abstract class is a partially implemented class.

  • An interface can only have abstract methods while an abstract class can have both abstract and non-abstract methods.

  • A class can implement multiple interfaces but can only inherit from one abstract class.

  • Interfaces are used to achieve multiple inheritance while abstract classes are used to provide a common base for related classes.

  • Interfaces are used to define contracts while abstract cla...read more

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Q106. How to manage third party IT resilience

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Q107. what is RDBMD? how can it be rationalize

Ans.

RDBMD stands for Relational Database Management System. It is a software system used for managing relational databases.

  • RDBMD is used to store, retrieve, and manage data in a structured format.

  • It allows users to define, create, and manipulate tables, indexes, and relationships between data.

  • Examples of RDBMD include MySQL, Oracle Database, and Microsoft SQL Server.

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Q108. explain microservices and Kubernetes, low code/ no code

Ans.

Microservices are a software development technique where applications are composed of small, independent services that communicate over well-defined APIs. Kubernetes is an open-source platform for automating deployment, scaling, and managing containerized applications.

  • Microservices break down applications into smaller, loosely coupled services that can be developed, deployed, and scaled independently.

  • Kubernetes is used to automate the deployment, scaling, and management of co...read more

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Q109. Describe the VXLAN fabricand understand the under/overlay principles

Ans.

VXLAN fabric is a virtualized network overlay technology that enables the extension of Layer 2 networks over Layer 3 networks.

  • VXLAN stands for Virtual Extensible LAN

  • It uses a 24-bit VNID (VXLAN Network Identifier) to uniquely identify each virtual network

  • VXLAN encapsulates Layer 2 Ethernet frames within Layer 3 UDP packets for transmission across the network

  • Underlay network provides the physical connectivity between VXLAN tunnel endpoints (VTEPs)

  • Overlay network is the logical...read more

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Q110. Built a react feature

Ans.

Built a react feature

  • Identify the specific feature to be built

  • Design the component hierarchy and state management

  • Implement the feature using React components and hooks

  • Test the feature for functionality and user experience

  • Refactor and optimize the code for performance

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Q111. How would go about managing a program?

Ans.

I would manage a program by setting clear goals, creating a detailed plan, assigning tasks to team members, monitoring progress, and adjusting as needed.

  • Set clear goals and objectives for the program

  • Create a detailed project plan outlining tasks, timelines, and resources

  • Assign tasks to team members based on their strengths and expertise

  • Monitor progress regularly and track key performance indicators

  • Adjust the plan as needed to ensure successful program completion

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Q112. How would you review the prepaid account

Ans.

Review prepaid account by analyzing prepaid expenses and ensuring they are properly recorded and allocated.

  • Review prepaid expenses to ensure they are accurately recorded in the correct accounting period

  • Verify that prepaid expenses are properly allocated to the appropriate expense accounts

  • Check for any prepaid expenses that may need to be adjusted or amortized over time

  • Ensure that prepaid expenses are not duplicated or recorded in the wrong accounts

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Q113. What are the automation have you done

Ans.

Implemented automation in financial reporting, budgeting, and forecasting processes.

  • Developed automated financial models to streamline budgeting process

  • Utilized software tools to automate data collection and analysis for financial reporting

  • Implemented automated alerts for financial variances and trends

  • Integrated automation tools to improve accuracy and efficiency in forecasting

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Q114. call , bind and apply functions in javascript

Ans.

call, bind, and apply are methods used to manipulate the context of a function in JavaScript.

  • call() is used to invoke a function with a specified 'this' value and arguments provided individually.

  • bind() is used to create a new function with a specified 'this' value and initial arguments.

  • apply() is used to invoke a function with a specified 'this' value and arguments provided as an array.

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Q115. Diff between rdbms dbms

Ans.

RDBMS is a type of DBMS that stores data in a structured format with relationships between tables.

  • RDBMS enforces ACID properties for database transactions.

  • RDBMS uses SQL for querying and managing data.

  • DBMS is a general term for any system that manages databases, while RDBMS is a specific type.

  • DBMS may not support relationships between tables like RDBMS does.

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Q116. Difference b/w argument and parameter

Ans.

Argument is the actual value passed to a function, while parameter is a variable used to define a function.

  • Parameter is a variable in the function declaration, while argument is the actual value passed to the function.

  • Parameter is used to initialize the function's variables, while argument is used to pass values to the function.

  • Example: function add(a, b) { return a + b; } add(2, 3); Here, a and b are parameters, while 2 and 3 are arguments.

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Q117. Different topology in networking

Ans.

Different topology refers to the arrangement of nodes in a network.

  • Common topologies include bus, star, ring, mesh, and hybrid

  • Bus topology connects all devices to a single cable

  • Star topology connects all devices to a central hub

  • Ring topology connects devices in a circular loop

  • Mesh topology connects devices in a network where each device has a direct connection to every other device

  • Hybrid topology is a combination of two or more topologies

  • Topology affects network performance, ...read more

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Q118. Explain working of IDS and IPS

Ans.

IDS and IPS are security systems that monitor network traffic for malicious activity and prevent attacks.

  • IDS (Intrusion Detection System) detects and alerts about potential attacks by analyzing network traffic and comparing it to known attack patterns.

  • IPS (Intrusion Prevention System) goes a step further by actively blocking malicious traffic and preventing attacks from happening.

  • Both systems use a combination of signature-based and behavior-based detection methods to identif...read more

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Q119. how to center a div in css3

Ans.

To center a div in CSS3, use the 'margin: auto;' property along with a set width.

  • Set the width of the div

  • Use 'margin: auto;' to center the div horizontally

  • Make sure the parent container has a defined width

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Q120. function to create a transaction bin column

Ans.

Create a function to generate a transaction bin column based on transaction amounts.

  • Create bins based on transaction amounts (e.g. $0-$100, $101-$200, etc.)

  • Use pandas cut() function in Python to create bins

  • Assign bin labels to the transactions based on the bin ranges

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Q121. Managing program in distributed environments

Ans.

Managing programs in distributed environments requires effective communication, collaboration, and coordination.

  • Establish clear communication channels and protocols

  • Use collaboration tools such as video conferencing and project management software

  • Ensure all team members have access to necessary resources and information

  • Establish regular check-ins and progress updates

  • Anticipate and address potential challenges related to time zones, language barriers, and cultural differences

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Q122. What is Agile methodology?

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Ans.

malloc and calloc are memory allocation functions in C programming language.

  • malloc() allocates memory block of given size and returns a pointer to the first byte of allocated memory.

  • calloc() allocates memory block of given size and initializes all bits to zero.

  • malloc() does not initialize the allocated memory, which may contain garbage values.

  • calloc() is slower than malloc() as it initializes all bits to zero.

  • malloc() is used when we need to allocate memory for a single varia...read more

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Q124. Key challenges faced and its solutions

Ans.

Key challenges faced and solutions as a Program Manager

  • One of the key challenges is managing stakeholder expectations

  • Solution is to establish clear communication channels and set realistic goals

  • Another challenge is managing project scope and changes

  • Solution is to have a change management process in place and regularly review project scope

  • Resource allocation and management can also be a challenge

  • Solution is to have a clear understanding of resource availability and prioritize ...read more

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Q125. Any plan for Post-graduation(M.S)

Ans.

Yes, I plan to pursue a Master's degree after graduation.

  • I am currently researching different programs and universities for my post-graduation studies.

  • I plan to specialize in a specific field related to my undergraduate degree.

  • I am preparing for standardized tests required for admission, such as the GRE or GMAT.

  • I am also working on my personal statement and gathering letters of recommendation.

  • I am considering potential research topics or thesis ideas for my Master's program.

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Q126. Design an econmerce website

Ans.

Design an ecommerce website for online shopping

  • User-friendly interface for easy navigation

  • Secure payment gateway integration

  • Product categorization and search functionality

  • Customer reviews and ratings

  • Responsive design for mobile compatibility

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Ans.

VISA is a global payments technology company that enables secure and convenient electronic payments.

  • VISA provides payment solutions for consumers, businesses, and governments worldwide.

  • VISA's network processes billions of transactions every year.

  • VISA offers a range of products and services, including credit and debit cards, prepaid cards, and mobile payments.

  • VISA works with merchants, financial institutions, and other partners to ensure secure and reliable payment processing....read more

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Q128. Opps concept in java

Ans.

Oops concept in Java refers to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.

  • Inheritance allows a class to inherit properties and behavior from another class.

  • Encapsulation involves bundling data and methods that operate on the data into a single unit.

  • Polymorphism allows objects to be treated as instances of their parent class.

  • Abstraction hides the implementation details and only shows the necessary features to the outsid...read more

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Q129. What is ip and Mac address.

Ans.

IP address is a unique numerical label assigned to each device connected to a computer network, while MAC address is a unique identifier assigned to network interfaces for communications at the data link layer.

  • IP address stands for Internet Protocol address and is used for identifying devices on a network.

  • MAC address stands for Media Access Control address and is a unique identifier assigned to network interfaces.

  • IP address is a logical address, while MAC address is a physica...read more

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Q130. 2nd highest salary in sql / pyspark

Ans.

To find the 2nd highest salary in SQL or PySpark, use the ORDER BY and LIMIT clauses.

  • Use ORDER BY clause to sort the salaries in descending order

  • Use LIMIT 1,1 to get the second highest salary

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Q131. What does SQL stand for?

Ans.

SQL stands for Structured Query Language.

  • SQL is a standard language for accessing and manipulating databases.

  • It is used to communicate with databases to perform tasks such as querying data, updating data, and creating tables.

  • Examples of SQL commands include SELECT, INSERT, UPDATE, DELETE, and CREATE.

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Q132. Difference between map and hash tables

Ans.

Map is an abstract data type that stores key-value pairs, while hash table is a specific implementation of a map using hashing.

  • Map is a general concept, while hash table is a specific implementation of a map using hashing functions.

  • Map allows any type of keys, while hash table typically requires keys to be hashable.

  • Map may not guarantee order, while hash table may use hashing to provide faster access times.

  • Example: Map can be implemented using a tree structure, while hash tab...read more

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Q133. Indexes in DBMS

Ans.

Indexes in DBMS are used to improve the performance of database queries.

  • Indexes are data structures that allow for faster retrieval of data from a database.

  • They work by creating a separate structure that contains a subset of the data in the table, organized in a way that makes it faster to search.

  • Indexes can be created on one or more columns in a table.

  • Examples of indexes include primary keys, unique indexes, and clustered indexes.

  • Indexes can also be used to enforce constrain...read more

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Q134. Different types of testing?

Ans.

Different types of testing include unit testing, integration testing, system testing, and acceptance testing.

  • Unit testing focuses on testing individual components or functions of a software application.

  • Integration testing involves testing how different components work together.

  • System testing tests the entire system as a whole.

  • Acceptance testing is performed to validate if the system meets the requirements and is ready for deployment.

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Q135. design google-pay

Ans.

Design Google Pay - a digital wallet platform for online payments and transactions.

  • Allow users to securely store payment information such as credit/debit cards, bank accounts, and loyalty cards.

  • Enable users to make payments in stores, online, and within apps using their stored payment methods.

  • Implement security features like biometric authentication, tokenization, and encryption to protect user data.

  • Provide features for splitting bills, requesting money, and sending money to ...read more

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Q136. HLD of recursive

Ans.

High Level Design (HLD) of recursive functions in software development.

  • Recursive functions call themselves to solve smaller instances of the same problem.

  • HLD of recursive functions involves defining the base case, recursive case, and termination condition.

  • Example: HLD of a recursive function to calculate factorial of a number involves defining base case as factorial(0) = 1.

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Q137. what is impairment

Ans.

Impairment refers to a reduction in the value of an asset on the balance sheet.

  • Impairment occurs when the carrying amount of an asset exceeds its recoverable amount.

  • It is typically recorded as a non-cash charge on the income statement.

  • Common examples include impairment of goodwill, intangible assets, and property, plant, and equipment.

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Q138. Design Fitness Tracker

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Q139. DSA on Strings and arrays

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Q140. System design of pusub

Ans.

Pubsub is a messaging pattern where senders (publishers) distribute messages to multiple receivers (subscribers) through a central hub.

  • Pubsub allows for decoupling of components in a system.

  • Messages are typically sent asynchronously.

  • Common implementations include Kafka, RabbitMQ, and Google Cloud Pub/Sub.

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Q141. Write new rest API

Ans.

Design a new REST API for a Senior Consultant Engineer position

  • Define the endpoints and HTTP methods for the API

  • Design the request and response data structures

  • Implement authentication and authorization mechanisms

  • Document the API using OpenAPI or Swagger

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Q142. Sorting algorithm

Ans.

Sorting algorithm is a method of arranging elements in a specific order.

  • Sorting algorithms can be categorized as comparison-based or non-comparison-based.

  • Examples of sorting algorithms include bubble sort, merge sort, quick sort, and insertion sort.

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Q143. Expectation from us

Ans.

I expect a supportive work environment, opportunities for growth, and clear communication.

  • Clear communication on project goals and expectations

  • Opportunities for professional development and growth

  • Supportive team environment

  • Regular feedback and performance evaluations

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