Complex sentence: According to Cognizant, this was due to unintentional administrative errors; the DoL investigation revealed that Cognizant had achieved 99.7% compliance in its management of H-1B visa-related issues.
Split into simpler sentences: According to Cognizant, this was due to unintentional administrative errors. The DoL investigation revealed that Cognizant had achieved 99.7% compliance in its management of H-1B visa-related issues.