10+ Dwello Interview Questions and Answers

Text data can be loaded into DB systems using various methods such as SQL INSERT statements, bulk loading, or ETL processes.

• Use SQL INSERT statements to insert text data into the database one record at a time.

• For large datasets, consider using bulk loading techniques like BULK INSERT or LOAD DATA INFILE.

• ETL (Extract, Transform, Load) processes can be used to extract text data from different sources, transform it as per the database schema, and load it into the DB system.

• Consi...read more

Bonds are debt securities issued by companies or governments to raise capital, with a promise to repay the principal amount along with interest at a specified future date.

• Bonds are essentially loans that investors provide to the issuer in exchange for periodic interest payments and the return of the bond's face value at maturity.

• They are typically considered less risky than stocks but offer lower potential returns.

• Examples of bonds include government bonds, corporate bonds, m...read more

The 2008 crisis refers to the global financial crisis that occurred in 2008, leading to a severe economic downturn.

• Caused by the collapse of the housing market bubble in the United States

• Resulted in the failure of major financial institutions like Lehman Brothers

• Led to a worldwide recession and high levels of unemployment

• Triggered government bailouts and stimulus packages to stabilize the economy

Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.

• Dependency injection helps in achieving loose coupling between classes.

• It allows for easier testing by providing mock dependencies.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.

State in React is a JavaScript object that stores data and determines how a component renders and behaves.

• State is mutable and can be updated using the setState() method

• State should be used for data that will change over time and affect the component's rendering

• State should not be modified directly, use setState() instead

OOPS concepts refer to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.

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

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the necessary features.

Solid concepts are fundamental principles or ideas that are well-established and widely accepted in a particular field.

• Solid concepts provide a strong foundation for further learning and development.

• They are essential for understanding complex topics and solving problems effectively.

• Examples of solid concepts in software engineering include object-oriented programming, design patterns, and data structures.

Code to check if a string is a palindrome or not.

• Iterate through the string from both ends and compare characters.

• Use two pointers, one starting from the beginning and one from the end.

• If characters at both pointers are equal, move both pointers towards the center.

• If characters at any point are not equal, return false.

• If both pointers meet in the middle, return true as the string is a palindrome.

ESG stands for Environmental, Social, and Governance criteria. It is a set of standards for a company's operations that socially conscious investors use to screen potential investments.

• ESG criteria focus on a company's impact on the environment, society, and governance practices.

• The research process for ESG involves analyzing a company's policies, practices, and performance in relation to ESG factors.

• Nonfinancial data refers to information that is not directly related to a co...read more

Shares represent ownership in a company, while bonds represent debt owed by a company or government.

• Shares represent ownership in a company, giving the shareholder voting rights and potential dividends.

• Bonds represent debt owed by a company or government, with the issuer paying interest to the bondholder.

• Shares are typically more volatile and offer higher potential returns, while bonds are considered safer investments with fixed returns.

• Examples: Apple shares vs US Treasury b...read more

Credit default swaps are financial derivatives that allow investors to transfer credit risk.

• Credit default swaps (CDS) are contracts between two parties, where one party agrees to compensate the other party in the event of a default by a third party.

• They are used to hedge against the risk of default on loans or bonds.

• CDS can be bought or sold, and the buyer pays regular premiums to the seller in exchange for protection against default.

• If a default occurs, the seller of the CD...read more

Debt market is where fixed-income securities like bonds are bought and sold.

• Debt market is a financial market where investors buy and sell debt securities, such as bonds, loans, and other fixed-income instruments.

• It provides a platform for governments, corporations, and other entities to raise capital by issuing debt securities to investors.

• Investors in the debt market receive periodic interest payments and the return of the principal amount at maturity.

• Debt markets can be ca...read more

TPRM stands for Third-Party Risk Management, which involves assessing and managing risks associated with third-party vendors. Compliance refers to adhering to laws, regulations, and industry standards.

• TPRM involves identifying, assessing, and mitigating risks associated with third-party vendors

• Compliance involves following laws, regulations, and industry standards to ensure ethical and legal business practices

• Examples of compliance include GDPR, SOX, and industry-specific reg...read more

TFS admin manages Team Foundation Server to support development teams in version control, build automation, and release management.

• Responsible for setting up and configuring TFS server

• Manage user permissions and security settings

• Troubleshoot issues related to TFS functionality

• Support development teams in version control, build automation, and release management