Here are a few questions to reflect upon:

• What is a race condition? How can you avoid a race condition?
• What are the benefits of using the queue data structure?
• What are the most popular open source databases available in the market?
• What are the most common modes of interprocess communication?
• When would you use the asyncio module?
•  What are some of the advantages and disadvantages of using serial communication? What are some of its alternatives?
•  What are the JSON and XML file formats used for? What are their advantages and disadvantages when compared to using a database?