Which types of inspection methods does IPC-A-610 allow?

The correct answer recognizes that IPC-A-610 permits a variety of inspection methods essential for determining the acceptability of electronic assemblies. Visual inspection is a fundamental method that involves closely examining the assembly for any visible defects, ensuring that components are properly placed, soldered, and free of obvious issues. Automated optical inspection (AOI) is also included, which utilizes machines equipped with cameras to detect defects by comparing the actual product to predefined standards.

Furthermore, the term "incoming inspection" refers to the evaluation of materials and components as they arrive at the manufacturing facility before they are integrated into the assembly process. This method helps ensure that only quality parts are utilized in the manufacture of electronic assemblies.

By integrating visual, automated optical, and incoming inspection, the inspection processes outlined in this answer offer a comprehensive approach to quality control, making it the best choice among the given options.