# Q&A Week 2

> A live Q&A session covering various topics related to data engineering and technology. Key discussions include the challenges of adopting new technologies like Janus Graph and Cassandra, strategies for handling duplicate streaming data using tumbling windows, and insights on how to prepare for data…

- Web page: https://www.dataexpert.io/lesson/qa-week-2-jan2025
- Program: [2025 New Year  Data Engineering Boot Camp starting January 6th](https://www.dataexpert.io/program/2025-new-year-data-engineering-boot-camp-starting-january-6th)
- Access: Requires enrollment in 2025 New Year  Data Engineering Boot Camp starting January 6th
- Length: 41 min video
- Skills: Data Modeling, ETL/ELT, Apache Spark, Statistics, Postgres
- Academy: DataExpert.io Academy

## About this lesson

A live Q&A session covering various topics related to data engineering and technology. Key discussions include the challenges of adopting new technologies like Janus Graph and Cassandra, strategies for handling duplicate streaming data using tumbling windows, and insights on how to prepare for data engineering roles in big tech. The session also touches on the importance of networking, the use of views versus tables, and the evolving landscape of data quality tools.

## Navigation

- Previous lesson: [Q&A Week 1](https://www.dataexpert.io/lesson/qa-week-1-jan2025.md)
- Next lesson: [Q&A Week 3](https://www.dataexpert.io/lesson/qa-week-3-jan2025.md)