Infosys Interview Questions, Process, and Tips

Q1. Explain transformer architecture?
Ans. 
Transformer architecture is a deep learning model that relies on self-attention mechanism for processing sequential data.
• Utilizes self-attention mechanism to weigh the importance of different input elements

• Consists of encoder and decoder layers for processing input and generating output

• Introduced in the 'Attention is All You Need' paper by Vaswani et al. in 2017
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Q2. What is RAG?
Ans. 
RAG stands for Retrieve, Answer, and Generate, a framework for large-scale language understanding tasks.
• RAG is a framework that combines retrieval, reading comprehension, and generation models to perform various language understanding tasks.

• It is commonly used in tasks such as question answering, information retrieval, and text generation.

• RAG models are designed to efficiently retrieve relevant information from large t...read more
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Q3. Fine-tuning techniques and quantization?
Ans. 
Fine-tuning techniques involve adjusting pre-trained models for specific tasks, while quantization reduces model size and improves efficiency.
• Fine-tuning involves training a pre-trained model on a specific dataset to improve performance on a particular task.

• Quantization is the process of reducing the precision of the weights and activations in a neural network to make it more efficient.

• Examples of fine-tuning technique...read more
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Q1. What are your salary expectations and preferred work location?
Ans. 
My salary expectations are competitive based on my experience and skills. I am open to discussing work location based on the job requirements.
• Salary expectations are competitive and based on experience and skills

• Open to discussing work location based on job requirements
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Q1. What are the commands in sql
Ans. 
SQL commands are used to interact with databases and perform various operations like querying, updating, and deleting data.
• SELECT: Retrieves data from a database

• INSERT: Adds new records to a table

• UPDATE: Modifies existing records in a table

• DELETE: Removes records from a table

• CREATE TABLE: Creates a new table in the database

• ALTER TABLE: Modifies the structure of an existing table

• DROP TABLE: Deletes a table from the data
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Q2. Difference between having and where clause
Ans. 
HAVING clause is used with GROUP BY to filter grouped results, WHERE clause is used to filter individual rows
• HAVING clause is used with GROUP BY to filter grouped results

• WHERE clause is used to filter individual rows before grouping

• HAVING clause is used with aggregate functions like SUM, COUNT, AVG

• WHERE clause is used with conditions like =, >, <, IN
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Q1. What processes have youw orked with
Ans. 
I have worked with various processes including project management, team coordination, and workflow optimization.
• Project management processes such as creating timelines, setting milestones, and tracking progress

• Team coordination processes like assigning tasks, conducting meetings, and resolving conflicts

• Workflow optimization processes such as identifying bottlenecks, implementing efficiency improvements, and measuring r
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Q2. What are your areas of interest
Ans. 
My areas of interest include leadership development, project management, and team collaboration.
• Leadership development

• Project management

• Team collaboration
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Had One Apti test and interview.
Selected in the First round and awaiting updates

Q1. What is networking?
Ans. 
Networking is the practice of connecting computers and other devices to share resources and information.
• Networking involves the use of hardware such as routers, switches, and cables to connect devices.

• It also includes the use of software protocols like TCP/IP to facilitate communication between devices.

• Networking allows for sharing resources such as files, printers, and internet connections among connected devices.

• Exam...read more
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Q2. Indepth analysis of TCP/UDP
Ans. 
TCP and UDP are both transport layer protocols used in networking to transmit data between devices.
• TCP (Transmission Control Protocol) is a connection-oriented protocol that ensures reliable data delivery by establishing a connection before sending data.

• UDP (User Datagram Protocol) is a connectionless protocol that does not guarantee delivery of data and is used for applications where speed is more important than relia...read more
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