Fidelity Investments SDE Intern Interview Questions and Answers

Q1. OOPS Concepts,Java Coding,Testing
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Q1. Selenium, APIs, Automation
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2 medium dsa que - one is of binary search, one is from graph

Q1. Define oops principle
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OOPs principles are the fundamental concepts of object-oriented programming that help in designing and implementing software solutions.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

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

• Polymorphism: The ability of different classes to be treated as instances of a common superclass.

• Abstraction: ...read more
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Q2. Define os concepts
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OS concepts refer to fundamental principles and components of operating systems.
• Process management - handling processes, scheduling, and resource allocation

• Memory management - managing memory allocation, virtual memory, and paging

• File system - organizing and accessing files on storage devices

• Device management - controlling and communicating with hardware devices

• Security and protection - ensuring system and data securit...read more
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Out of 3 DSA questions solve any 1 question of your chose in 45 mins.

Q1. 10th/12th Marks
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Q2. Database management system
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Q3. Operating System
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Q4. Computer Network
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Q5. ER diagram and Schema
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2 dsa question one medium and hard

Q1. Oops concepts, sql
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Q2. System design, and 2 dsa
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Q1. Relations of Bond price & Interest rate
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Bond prices and interest rates have an inverse relationship - as interest rates rise, bond prices fall, and vice versa.
• When interest rates rise, newly issued bonds offer higher yields, making existing bonds with lower yields less attractive, causing their prices to decrease.

• Conversely, when interest rates fall, newly issued bonds offer lower yields, making existing bonds with higher yields more valuable, causing their ...read more
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Q2. Swap, Currency swap & cross currency swap intro
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Q1. What is mutual funds
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Mutual funds are investment vehicles that pool money from multiple investors to invest in a diversified portfolio of stocks, bonds, or other securities.
• Mutual funds are managed by professional fund managers who make investment decisions on behalf of the investors.

• Investors can buy shares of mutual funds, which represent a portion of the holdings in the fund.

• Mutual funds offer diversification, liquidity, and professiona...read more
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Q2. What is equity markets?
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Equity markets refer to the market where shares of publicly traded companies are bought and sold.
• Equity markets provide a platform for companies to raise capital by selling shares to investors.

• Investors can buy and sell shares of publicly traded companies through stock exchanges like NYSE, NASDAQ, etc.

• Prices of shares in equity markets are determined by supply and demand, as well as various economic factors.

• Investors c...read more
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Q3. Which the biggest assets management company?
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The biggest assets management company is BlackRock.
• BlackRock is the largest asset management company in the world based on assets under management.

• It was founded in 1988 and is headquartered in New York City, USA.

• BlackRock offers a wide range of investment products and services to institutional and individual investors.

• As of 2021, BlackRock manages over $9 trillion in assets.

• Some of BlackRock's popular funds include iS
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Q4. What you think about 2008 housing market crisis?
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The 2008 housing market crisis was a significant event that led to a global financial meltdown.
• The crisis was triggered by the collapse of the subprime mortgage market in the United States.

• It resulted in a sharp decline in housing prices, leading to widespread foreclosures and financial instability.

• Many major financial institutions faced bankruptcy or had to be bailed out by governments to prevent a total collapse of t...read more
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Q5. What is the meaning of splitting the share of an company?
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Splitting the share of a company refers to dividing the existing shares into multiple shares, usually to increase liquidity or adjust ownership percentages.
• Splitting shares does not change the overall value of the company, but increases the number of shares outstanding.

• It can be done to make shares more affordable for investors or to adjust voting rights.

• For example, a company with 100 shares valued at $10 each may spl...read more
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Q1. Have you ever worked with data?
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Yes, I have experience working with data in various projects and internships.
• I have analyzed customer data to identify trends and make recommendations for marketing strategies.

• I have used Excel and SQL to manipulate and analyze large datasets.

• I have created visualizations using Tableau to present data insights to stakeholders.
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Q2. Question about my oersonal experience
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