Wipro Tele Caller Interview Questions and Answers

The purpose of a telecaller is to make outbound calls to potential customers and persuade them to buy products or services.

• To make outbound calls to potential customers

• To persuade customers to buy products or services

• To provide information about products or services

• To handle customer queries and complaints

• To maintain customer database and follow up with them

• To achieve sales targets and increase revenue

• To conduct market

Design a solution with Java Spring boot, Spring Data, DB Integration

• Create a Spring Boot project with Spring Data dependency

• Configure the database connection in application.properties

• Create entity classes with JPA annotations

• Create repository interfaces extending JpaRepository

• Use repository methods in service classes

• Expose REST endpoints using @RestController

• Handle exceptions using @ControllerAdvice

• Secure endpoints usi...read more

Developed a real-time data processing system for a financial institution

• Implemented a distributed system using Apache Kafka and Apache Storm

• Designed a fault-tolerant architecture with multiple redundancy layers

• Optimized the system for high throughput and low latency

• Provided real-time monitoring and alerting using Grafana and Prometheus

Answering questions related to Spring Boot and core Java

• Spring Boot addons include Spring Security, Spring Data, and Spring Cloud

• Spring Boot is a framework for building standalone, production-grade Spring-based applications

• Ways of configuring a bean in Spring include XML configuration, Java-based configuration, and annotation-based configuration

• Core Java topics include OOP concepts, collections, multithreading, and exc