Data Migration Testing: Ensures big data testing services is accurately and completely transferred from legacy systems to big data platforms without loss or corruption.

Functional Testing: Verifies that the big data application performs its intended functions correctly. This includes testing the integration of different components and the accuracy of data processing algorithms.

Security Testing: Assesses the security measures in place to protect sensitive data from breaches and unauthorized access. This includes testing for data encryption, access controls, and compliance with data protection regulations.