Educomp Solutions Interview Questions and Answers

A mandatory header is a header that must be included in a request or response for proper communication.

• Mandatory headers are necessary for the correct functioning of the system.

• They often contain important information such as content type, authentication tokens, or cache control directives.

• Examples of mandatory headers include Content-Type, Authorization, and Cache-Control.

SRVCC (Single Radio Voice Call Continuity) is a feature that allows a seamless handover of a voice call from LTE to 3G or 2G networks.

• SRVCC is used in VoLTE (Voice over LTE) networks to ensure uninterrupted voice calls when moving between different network technologies.

• The call flow involves the initiation of the handover process, transfer of the call session to the target network, and completion of the handover without any noticeable interruption to the call.

• SRVCC is essenti...read more

Jira is a project management tool used for issue tracking, bug tracking, and agile project management.

• Jira is commonly used in software development teams to track bugs and issues.

• It allows users to create, assign, prioritize, and track issues throughout the development process.

• Jira can be customized with different workflows, fields, and permissions to suit the needs of the team.

• It integrates with other tools like Confluence, Bitbucket, and Jenkins for seamless project managem...read more

I rate myself as an advanced user in Python programming.

• Proficient in data manipulation, analysis, and visualization using libraries like Pandas, NumPy, and Matplotlib

• Experience in building machine learning models with libraries like Scikit-learn and TensorFlow

• Familiar with web scraping, automation, and API integration using libraries like BeautifulSoup and requests

Max forward is the maximum number of times a message can be forwarded in a messaging application.

• Max forward helps prevent the spread of misinformation by limiting how many times a message can be forwarded.

• For example, WhatsApp has a feature that limits message forwarding to 5 times to curb the spread of fake news.

Developed machine learning models for predicting customer churn and optimizing marketing campaigns.

• Implemented a customer churn prediction model using logistic regression and random forest algorithms.

• Utilized clustering techniques to segment customers based on behavior and demographics for targeted marketing campaigns.

• Developed recommendation systems using collaborative filtering to personalize product recommendations for customers.

• Applied natural language processing techniqu...read more

Credit sale refers to a transaction where goods or services are sold on credit, allowing the buyer to pay at a later date.

• Credit sale involves selling goods or services without receiving immediate payment.

• The buyer is given a certain period of time to make the payment, usually with interest.

• Credit sales are common in business-to-business transactions and retail purchases.

• Examples include buying furniture on installment plans or purchasing goods on credit cards.