N10-009 is the current exam code for CompTIA Network+. The "N10" denotes the Network+ series and "009" the ninth (V9) exam revision. It validates vendor-neutral networking fundamentals — concepts, implementation, operations, security, and troubleshooting.
What it means
CompTIA versions its exams with a series prefix and a numeric revision; N10-009 is the active Network+ exam (version 9). CompTIA's official page describes Network+ as a foundation-level, vendor-neutral networking credential covering network concepts, implementations, operations, security, and troubleshooting.