Explains black box testing techniques including random testing, equivalence partitioning, boundary value analysis, decision tables, error guessing, and state transition testing with scenario examples.

Explains test plan creation including objectives, scope, methodology, approach, risks, and mitigation. Compares test strategy vs test plan with components, deliverables, and best practices.

Details integration testing approaches: big-bang, bottom-up, top-down, and mixed integration. Covers system testing, performance testing types, mutation testing, and regression testing with tools and advantages.

Covers object-oriented testing challenges including class dependencies, inheritance issues, and testing techniques. Explains fault-based, method-based, random, partition, and scenario-based testing approaches.

Explains software testing levels: unit, integration, system, and acceptance testing. Compares alpha and beta testing including techniques, performers, environments, reliability checks, and execution cycles.