Question-7: Which all are the possible node types in a Cassandra datacenter?

1. Transactional
2. Graph
3. Analytics
4. Search
5. SearchAnalytics

Ans : A,B,C,D,E

Exp : You have to make sure that each datacenter would have only one node type as below and have specific purpose.

• Transactional: This is mainly used for storing transactional data for example e-commerce users purchase etc.
• Graph: When you have connected data like social network data then you should use this for analyzing, searching and managing highly connected data.
• Analytics : This node can be integrated with Apache Spark (To learn Apache Spark check here)
• Search: It can be integrated with the Apache Solr for providing efficient search solution.
• Search Analytics: You can have both search engine and analytics together.