Follow the latest IEC, TIA, and FOA fiber testing standards in 2025 to ensure your network stays reliable and meets legal and insurance requirements. Use proper testing methods like one-cord referencing, visual inspections, and calibrated equipment to get accurate and repeatable. The fiber optics industry is rapidly evolving, playing a crucial role in modern communications and digital infrastructure. As data demands continue to grow exponentially worldwide, fiber optic technology stands at the forefront of this transformation, enabling faster and more reliable connectivity. Adopt. This paper presents how different tests of throughput and latency were carried out using Viavi test kit, analyzed and then after compared the obtained results with the standard defined by IEEE and ITU for conformity.