Informatica Business Solutions Interview Questions, Process, and Tips

Q1. Explain OSI model in detail
Ans. 
The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
• The OSI model stands for Open Systems Interconnection model.

• It divides network communication into seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has specific functions and interacts with adjacent layers for data transmission.

• Exampl...read more
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Q1. Explain Data modeling with Start Schema
Ans. 
Data modeling with Star Schema involves organizing data into a central fact table surrounded by dimension tables.
• Central fact table contains numerical data that is being analyzed

• Dimension tables provide context to the data in the fact table

• Each dimension table is connected to the fact table through foreign keys

• Star Schema is commonly used in data warehousing for efficient querying
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Q1. Quiz App using Vanilla JS or ReactJS
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Basic aptitude questions

Q1. What are api in backend
Ans. 
APIs in backend are interfaces that allow different software applications to communicate with each other.
• APIs (Application Programming Interfaces) define the methods and data formats that applications can use to request and exchange information.

• They allow different software systems to communicate with each other, enabling seamless integration and interoperability.

• Examples of backend APIs include RESTful APIs, SOAP APIs...read more
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Q2. What are web socket in website development
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Web sockets are a communication protocol that allows for real-time, two-way communication between a client and a server over a single, long-lived connection.
• Web sockets enable real-time updates on a website without the need for constant polling.

• They are commonly used in chat applications, online gaming, and live streaming services.

• Web sockets use the ws:// or wss:// protocol in URLs to establish a connection.
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