Cognizant Associate Software Engineer Interview Questions and Answers

I would write a code snippet based on the specific cluster or category provided.

• Identify the specific cluster or category provided in the question

• Write a code snippet that aligns with the requirements of the cluster

• Ensure the code is accurate and relevant to the given cluster

Developed a web-based project management tool for tracking tasks and deadlines.

• Used HTML, CSS, and JavaScript for front-end development

• Implemented backend functionality using Node.js and MongoDB

• Incorporated user authentication and authorization features

• Utilized RESTful APIs for communication between front-end and back-end

I am leaving my previous company to seek new challenges and opportunities for growth in my career as a software engineer.

• I am looking for a role that offers more opportunities for professional development, such as mentorship programs.

• I want to work in a more innovative environment where I can contribute to exciting projects, like developing cutting-edge applications.

• I am seeking a company culture that aligns more ...read more

Supervised learning uses labeled data to train a model, while unsupervised learning uses unlabeled data.

• Supervised learning requires a target variable for training the model.

• Examples of supervised learning include classification and regression tasks.

• Unsupervised learning finds patterns in data without any predefined labels.

• Examples of unsupervised learning include clustering and dimensionality reduction.

There are various types of databases such as relational, NoSQL, object-oriented, etc. Some popular databases nowadays include MySQL, MongoDB, PostgreSQL, and Oracle.

• Relational databases: MySQL, PostgreSQL, Oracle

• NoSQL databases: MongoDB, Cassandra, Redis

• Object-oriented databases: db4o, ObjectDB

• Graph databases: Neo4j, Amazon Neptune

SQL Joins are used to combine rows from two or more tables based on a related column between them.

• Joins are used to retrieve data from multiple tables based on a related column

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• INNER JOIN returns rows when there is at least one match in both tables

• LEFT JOIN returns all rows from the left table and the matched rows from the right table

• RIGHT JOIN ...read more

PowerApps customisation involves leveraging different properties to customise the canvas app.

• Use the 'Properties' pane to access and modify different properties of the app components.

• Customise the app's appearance using themes, fonts, and colours.

• Leverage formulas and expressions to add functionality to the app.

• Use custom connectors to integrate with external data sources.

• Add custom controls and components to exte...read more

SDLC stands for Software Development Life Cycle, a process used to design, develop, and maintain software.

• SDLC is a structured approach to software development

• It consists of several phases including planning, analysis, design, implementation, testing, and maintenance

• Each phase has its own set of activities and deliverables

• SDLC models include Waterfall, Agile, and DevOps

• SDLC helps ensure software quality and reduce...read more